NEVVI Medicare utilization intelligence
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Market snapshot

83735 nationwide CY2024

Medicare Part B FFS · CY2024 · as published by CMS

83735 — Magnesium level

Billing groups
824
Named-group FFS services
710,270
FFS of Medicare
49%
Services YoY
+6.3%
FFS enrollment -2.2%
Estimated all-Medicare volume FFS + estimated MA estimate
~1,449,653 services

710,270 observed fee-for-service (49%) · ~739,383 estimated Medicare Advantage. Scaled from the observed floor by each state’s fee-for-service share (FFS share as of 2024) — scaled estimate — assumes MA utilization mirrors FFS; not an observation; 1 state without payer-mix data excluded. How we scale

Top states — 83735 (CY2024)

Disclosed Medicare fee-for-service services by billing state; open a bar for that state's ranked market.

Named-group submitted charges
$21.5M
Named-group allowed amount
$4.6M
Named-group Medicare payments
$4.6M
Avg charge / svc
$30
Avg allowed / svc
$7
Avg payment / svc
$7
Average charge per group
$7 824 groups · avg submitted charge / service $209
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Data year: CY2024 CY2023 CY2022 🔒 CY2021 🔒 CY2020 🔒
Physician groups ranked by 83735 services, CY2024
#Physician group City St Specialty Providers 83735 svcs Submitted charges Avg charge Medicare $ locked column Share* Phone
1 NORTH SHORE HEMATOLOGY ONCOLOGY ASSOCIATES PC SMITHTOWN NY NURSE PRACTITIONER 462 77,396 $5,699,445 $74 premium 29.1% (631) 751-3000
2 YUMA KIDNEY AND DIALYSIS SPECIALISTS PC YUMA AZ NURSE PRACTITIONER 6 37,187 $512,809 $14 premium 22.0% (928) 388-6138
3 TEXAS ONCOLOGY PA DALLAS TX PHYSICIAN ASSISTANT 995 35,496 $1,029,360 $29 premium 12.4%
4 FLORIDA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC FORT MYERS FL HEMATOLOGY/ONCOLOGY 437 33,390 $835,664 $25 premium 11.2% (239) 561-9622
5 HIGHLANDS ONCOLOGY GROUP PA FAYETTEVILLE AR NURSE PRACTITIONER 79 24,094 $602,350 $25 premium 49.4% (479) 361-2585
6 MILLENNIUM PHYSICIAN GROUP LLC PORT CHARLOTTE FL PHYSICIAN ASSISTANT 953 9,808 $131,427 $13 premium 3.3% (941) 255-3535
7 OKLAHOMA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC TULSA OK NURSE PRACTITIONER 47 8,865 $203,895 $23 premium 16.3% (918) 505-3200
8 RAVI PATEL M D INC BAKERSFIELD CA HEMATOLOGY/ONCOLOGY 20 8,741 $209,784 $24 premium 2.6% (661) 322-2206
9 ONCOLOGY SPECIALTIES, P.C. HUNTSVILLE AL NURSE PRACTITIONER 93 8,703 $175,700 $20 premium 9.5% (256) 705-4224
10 AMERICAN ONCOLOGY PARTNERS PA FORT WAYNE FL HEMATOLOGY/ONCOLOGY 333 8,233 $172,893 $21 premium 2.8% (260) 484-8830
11 MAYO CLINIC ARIZONA PHOENIX AZ PHYSICIAN ASSISTANT 1635 8,073 $444,015 $55 premium 4.8% (800) 603-0558
12 CONSOLIDATED MEDICAL PRACTICES OF MEMPHIS,PLLC MEMPHIS TN NURSE PRACTITIONER 114 7,631 $161,106 $21 premium 7.4% (901) 261-0700
13 CANCER CARE SPECIALISTS OF CENTRAL ILLINOIS SC DECATUR IL HEMATOLOGY/ONCOLOGY 30 6,569 $367,864 $56 premium 3.7% (217) 876-4700
14 ONCOLOGY-HEMATOLOGY ASSOCIATES OF CENTRAL ILLINOIS P C PEORIA IL NURSE PRACTITIONER 62 5,258 $251,477 $48 premium 3.0% (309) 243-3000
15 CENLA FAMILY MEDICINE ASSOCIATES, LLC ALEXANDRIA LA NURSE PRACTITIONER 20 4,301 $77,418 $18 premium 16.2% (318) 445-9823
16 SUMMIT MEDICAL GROUP, PLLC KNOXVILLE TN FAMILY PRACTICE 622 4,264 $68,599 $16 premium 4.2% (865) 938-3627
17 THE NEPHROLOGY GROUP INC FRESNO CA NEPHROLOGY 51 4,199 $84,400 $20 premium 1.2% (559) 228-9660
18 MCFARLAND CLINIC PC AMES IA PHYSICIAN ASSISTANT 352 4,198 $104,925 $25 premium 24.3% (515) 239-4400
19 DUPAGE MEDICAL GROUP LTD GLEN ELLYN IL PHYSICIAN ASSISTANT 1323 4,129 $140,386 $34 premium 2.3% (630) 469-9200
20 ADVANCED INTERNAL MEDICINE GROUP PC GREENVALE NY INTERNAL MEDICINE 5 4,113 $87,171 $21 premium 1.5% (516) 352-8100
21 EASTERN NEPHROLOGY ASSOCIATES PLLC GREENVILLE NC NEPHROLOGY 77 4,109 $82,591 $20 premium 1.9% (252) 752-8880
22 CANCER SPECIALISTS LLC JACKSONVILLE FL HEMATOLOGY/ONCOLOGY 46 4,022 $67,630 $17 premium 1.3% (904) 516-3737
23 SCKE INC LAGUNA HILLS CA ENDOCRINOLOGY 20 4,007 $152,266 $38 premium 1.2% (949) 916-9100
24 TENNESSEE ONCOLOGY PLLC NASHVILLE TN HEMATOLOGY/ONCOLOGY 360 3,953 $48,107 $12 premium 3.9% (615) 385-3751
25 MUSC AFFILIATE PHYSICIANS GREENVILLE SC PHYSICIAN ASSISTANT 52 3,798 $87,354 $23 premium 9.8% (864) 603-5600
26 GENESIS HEALTHCARE, INC DARLINGTON SC NURSE PRACTITIONER 32 3,570 $113,098 $32 premium 9.2% (843) 393-7452
27 ATRIUS HEALTH INC BOSTON MA NURSE PRACTITIONER 1196 3,485 $94,095 $27 premium 4.3% (617) 421-1000
28 ENDOCRINE ASSOCIATES OF ROCKLAND LLP POMONA NY ENDOCRINOLOGY 4 3,378 $50,670 $15 premium 1.3% (845) 362-3111
29 MANALAPAN MEDICAL CENTER PA PC MANALAPAN NJ ENDOCRINOLOGY 13 3,344 $36,823 $11 premium 0.8% (732) 845-2200
30 NEW YORK ONCOLOGY HEMATOLOGY PC ALBANY NY NURSE PRACTITIONER 83 3,276 $88,452 $27 premium 1.2% (518) 262-6696
31 CENTRAL ARKANSAS RADIATION THERAPY INSTITUTE INC LITTLE ROCK AR HEMATOLOGY/ONCOLOGY 90 3,128 $47,172 $15 premium 6.4%
32 OMID S. SHAYE, M.D., A MEDICAL CORPORATION WEST HILLS CA HEMATOLOGY/ONCOLOGY 3 3,086 $41,352 $13 premium 0.9% (818) 346-1773
33 SOUTHWEST KIDNEY INSTITUTE PLC PHOENIX AZ NEPHROLOGY 97 3,065 $42,910 $14 premium 1.8% (623) 247-9235
34 MEDSTAR MEDICAL GROUP - SOUTHERN MARYLAND LLC HOLLYWOOD MD INTERNAL MEDICINE 236 3,057 $76,425 $25 premium 5.8%
35 SYNERGY HEMATOLOGY ONCOLOGY MEDICAL ASSOCIATES INC WEST HOLLYWOOD CA INTERNAL MEDICINE 8 2,882 $57,665 $20 premium 0.8% (323) 525-1111
36 CLAY PLATTE FAMILY MEDICINE CLINIC KANSAS CITY MO FAMILY PRACTICE 25 2,851 $39,935 $14 premium 12.9% (816) 994-8787
37 DIABETES AND ENDOCRINOLOGY CONSULTANTS, PC WEST NYACK NY ENDOCRINOLOGY 5 2,846 $113,840 $40 premium 1.1% (845) 358-6266
38 COLONIAL FAMILY PRACTICE LLC SUMTER SC DIAGNOSTIC RADIOLOGY 57 2,700 $54,270 $20 premium 7.0% (803) 773-5227
39 MACON MEDICAL GROUP PC MACON GA NEPHROLOGY 6 2,607 $75,082 $29 premium 3.6%
40 SAN JUAN ONCOLOGY ASSOCIATES PC FARMINGTON NM HEMATOLOGY/ONCOLOGY 3 2,579 $79,563 $31 premium 24.4% (505) 564-6850
41 CENTRAL OHIO PRIMARY CARE PHYSICIANS, INC. COLUMBUS OH INTERNAL MEDICINE 495 2,561 $33,293 $13 premium 2.0% (614) 451-9612
42 OPTUM MEDICAL CARE PC MOUNT KISCO NY INTERNAL MEDICINE 1040 2,538 $39,205 $15 premium 1.0% (914) 241-1050
43 CANCER CENTER OF KANSAS PA WICHITA KS HEMATOLOGY/ONCOLOGY 27 2,509 $70,252 $28 premium 4.3% (316) 262-4467
44 HASTINGS INTERNAL MEDICINE ASSOCIATES PC HASTINGS NE INTERNAL MEDICINE 6 2,444 $16,412 $7 premium 17.1% (402) 463-2454
45 ROCKY MOUNTAIN CANCER CENTERS LLP COLORADO SPRINGS CO NURSE PRACTITIONER 129 2,416 $67,648 $28 premium 13.3% (719) 577-2555
46 APEX CARDIOLOGY CONSULTANTS INGLEWOOD CA CARDIOVASCULAR DISEASE (CARDIOLOGY) 8 2,358 $37,822 $16 premium 0.7% (310) 672-3900
47 MEDICAL ASSOCIATES OF THE SHOALS, P.C. SHEFFIELD AL NURSE PRACTITIONER 24 2,342 $46,840 $20 premium 2.6% 2563834447104
48 ROBERT WOOD JOHNSON MEDICAL ASSOCIATES AT HAMILTON PA LINDEN NJ PHYSICIAN ASSISTANT 47 2,327 $46,773 $20 premium 0.6%
49 BRYAN PHYSICIAN NETWORK LINCOLN NE PHYSICIAN ASSISTANT 229 2,317 $32,438 $14 premium 16.2% (402) 481-1111
50 RHEUMATIC DISEASE CENTER PHYSICIANS SC DES PLAINES IL RHEUMATOLOGY 4 2,298 $20,829 $9 premium 1.3% (847) 800-0998
51 FAMILY PHYSICIANS OF SPARTANBURG, PC SPARTANBURG SC FAMILY PRACTICE 10 2,285 $66,265 $29 premium 5.9% (864) 576-9201
52 CLEVELAND CLINIC CLEVELAND OH PHYSICIAN ASSISTANT 6828 2,282 $39,483 $17 premium 1.8%
53 CARDIOVASCULAR CARE INC LOS ALAMITOS CA CARDIOVASCULAR DISEASE (CARDIOLOGY) 6 2,263 $29,419 $13 premium 0.7% (562) 594-1772
54 HORIZON INTERNAL MEDICINE PLLC HIGH POINT NC NURSE PRACTITIONER 15 2,260 $31,640 $14 premium 1.1% (336) 610-1300
55 TIDEWATER PHYSICIANS MULTISPECIALTY GROUP, PC NEWPORT NEWS VA FAMILY PRACTICE 274 2,258 $54,192 $24 premium 4.1% (757) 595-9880
56 MOUNTAIN COMPREHENSIVE HEALTH CORPORATION WHITESBURG KY NURSE PRACTITIONER 83 2,252 $90,080 $40 premium 12.9% (606) 633-4871
57 ST VINCENT MEDICAL GROUP LITTLE ROCK AR FAMILY PRACTICE 247 2,251 $42,769 $19 premium 4.6% (501) 562-4838
58 NEPHROLOGY HYPERTENSION ASSOCIATES OF CNY, PC NORTH SYRACUSE NY NEPHROLOGY 4 2,240 $94,080 $42 premium 0.8%
59 LEXINGTON HEALTH INC WEST COLUMBIA SC NURSE PRACTITIONER 909 2,180 $50,140 $23 premium 5.6% (803) 744-4900
60 CRYSTAL RUN HEALTHCARE PHYSICIANS LLP MIDDLETOWN NY NURSE PRACTITIONER 372 2,026 $56,728 $28 premium 0.8% (845) 703-6999
61 BAPTIST HEALTH LITTLE ROCK AR NURSE PRACTITIONER 106 1,959 $48,975 $25 premium 4.0% (501) 227-7596
62 SOUTHERN CLINIC PC DOTHAN AL NURSE PRACTITIONER 25 1,956 $29,340 $15 premium 2.1% (334) 794-6611
63 NORTHWEST CANCER CENTERS PC DYER IN HEMATOLOGY/ONCOLOGY 26 1,936 $54,208 $28 premium 8.8% (812) 220-4476
64 NICHOLAS R HALPER MD PC ROCKVILLE CENTRE NY FAMILY PRACTICE 7 1,905 $30,499 $16 premium 0.7% (516) 536-2221
65 HARBIN CLINIC LLC ROME GA NURSE PRACTITIONER 252 1,892 $47,300 $25 premium 2.6% (762) 235-3340
66 NORTHWEST LOUISIANA NEPHROLOGY, LLC SHREVEPORT LA NEPHROLOGY 22 1,886 $20,135 $11 premium 7.1% (318) 227-8899
67 TENNESSEE CANCER SPECIALISTS PLLC KNOXVILLE TN NURSE PRACTITIONER 65 1,885 $66,580 $35 premium 1.8% (865) 934-5800
68 N RAO BOORGU MD PC FLORENCE AL NEPHROLOGY 5 1,884 $32,028 $17 premium 2.1% (256) 766-1401
69 VMD PRIMARY PROVIDERS EASTERN MICHIGAN PC NOVI MI PHYSICIAN ASSISTANT 64 1,878 $56,340 $30 premium 4.2%
70 COMMUNITY MEDICAL ASSOCIATES INC LOUISVILLE KY NURSE PRACTITIONER 1377 1,873 $54,825 $29 premium 10.7% (502) 937-2209
71 INTERNAL MEDICINE ASSOCIATES OF PALESTINE, PA PALESTINE TX ENDOCRINOLOGY 3 1,867 $33,606 $18 premium 0.6% (903) 729-3993
72 BEACON MEDICAL GROUP INC SOUTH BEND IN NURSE PRACTITIONER 575 1,852 $33,248 $18 premium 8.4% (574) 647-7275
73 MAGNOLIA MEDICAL CLINIC P.A. FORT WALTON BEACH FL FAMILY PRACTICE 10 1,811 $45,275 $25 premium 0.6% (850) 243-7681
74 HUNTERDON HEMATOLOGY ONCOLOGY, LLC FLEMINGTON NJ HEMATOLOGY/ONCOLOGY 7 1,809 $57,888 $32 premium 0.4% (908) 237-1201
75 GALEN MEDICAL GROUP, PC CHATTANOOGA TN NURSE PRACTITIONER 123 1,794 $77,142 $43 premium 1.7% (423) 643-2500
76 CARDIOVASCULAR MEDICAL GROUP OF SOUTHERN CALIFORNIA BEVERLY HILLS CA CARDIOVASCULAR DISEASE (CARDIOLOGY) 11 1,781 $28,498 $16 premium 0.5% (310) 278-3400
77 PRINE HEALTH MEDICAL GROUP, PLLC MANHASSET NY NEPHROLOGY 75 1,777 $29,765 $17 premium 0.7% (516) 407-2727
78 YIUM, SHENOUDA AND MILLER PTRSHP CHATTANOOGA TN NEPHROLOGY 49 1,761 $70,792 $40 premium 1.7% (423) 698-0927
79 ADVOCATE HEALTH AND HOSPITALS CORPORATION BUFFALO GROVE IL NURSE PRACTITIONER 3045 1,739 $69,536 $40 premium 1.0% (847) 459-1160
80 RHEUMATOLOGY CONSULTANTS, LLP HEWLETT NY RHEUMATOLOGY 10 1,697 $42,450 $25 premium 0.6% (516) 295-4481
81 PAIN TREATMENT CENTERS OF AMERICA PLLC LITTLE ROCK AR NURSE PRACTITIONER 69 1,694 $23,304 $14 premium 3.5%
82 CHRISTIE CLINIC, PLLC CHAMPAIGN IL INTERNAL MEDICINE 220 1,688 $84,400 $50 premium 1.0% (217) 366-1200
83 ISLAND PRIMARY MEDICAL CARE ASSOCIATES PC MASSAPEQUA NY INTERNAL MEDICINE 5 1,667 $38,341 $23 premium 0.6% (516) 798-1116
84 ENDOCRINE AND DIABETES PA LIVINGSTON NJ ENDOCRINOLOGY 2 1,661 $16,245 $10 premium 0.4% (973) 322-7200
85 BEAUMONT INTERNAL MEDICINE AND GERIATRIC ASSOC. BEAUMONT TX NURSE PRACTITIONER 17 1,606 $27,302 $17 premium 0.6% (409) 898-2994
86 INTEGRATED MEDICAL GROUP, P.C. POTTSVILLE PA PHYSICIAN ASSISTANT 107 1,592 $30,248 $19 premium 2.3%
87 WASHINGTON UNIVERSITY SAINT LOUIS MO NURSE PRACTITIONER 3070 1,566 $57,942 $37 premium 7.1% (314) 747-3000
88 NORTH MISSISSIPPI MEDICAL CLINICS INC TUPELO MS FAMILY PRACTICE 121 1,563 $39,075 $25 premium 7.4% (662) 377-5300
89 THE SOUTH BEND CLINIC LLC SOUTH BEND IN NURSE PRACTITIONER 166 1,556 $31,120 $20 premium 7.1% (574) 234-8161
90 NOVANT HEALTH MEDICAL GROUP COASTAL REGION LLC WILMINGTON NC PHYSICIAN ASSISTANT 560 1,542 $53,970 $35 premium 0.7% (910) 662-6000
91 BARNABAS HEALTH MEDICAL GROUP PC LIVINGSTON NJ NURSE PRACTITIONER 990 1,502 $42,056 $28 premium 0.4%
92 NAUSHIN SIDDIQUI PHYSICIAN PC EAST MEADOW NY INTERNAL MEDICINE 2 1,502 $45,060 $30 premium 0.6% (516) 481-2000
93 CANCER AND HEMATOLOGY CENTERS OF WESTERN MI, P.C. GRAND RAPIDS MI HEMATOLOGY/ONCOLOGY 112 1,501 $34,193 $23 premium 3.4% (616) 954-9800
94 INTERNAL MEDICINE ASSOCIATES OF WAYCROSS P.C. WAYCROSS GA INTERNAL MEDICINE 5 1,494 $143,424 $96 premium 2.1% (912) 283-9423
95 COASTAL CAROLINA HEALTH CARE PA NEW BERN NC PHYSICIAN ASSISTANT 122 1,481 $31,101 $21 premium 0.7% (252) 634-3278
96 SOUTH TEXAS ONCOLOGY AND HEMATOLOGY, PLLC SAN ANTONIO TX HEMATOLOGY/ONCOLOGY 39 1,481 $29,768 $20 premium 0.5% (210) 593-5700
97 ANDERSON ONCOLOGY-HEMATOLOGY CLINIC PA ANDERSON SC HEMATOLOGY/ONCOLOGY 4 1,466 $69,276 $47 premium 3.8% (864) 512-1658
98 NORTHWEST ONCOLOGY AND HEMATOLOGY SC ROLLING MEADOWS IL HEMATOLOGY/ONCOLOGY 22 1,450 $79,655 $55 premium 0.8% (847) 870-4100
99 MICHIGAN HEALTHCARE PROFESSIONALS PC FARMINGTON HILLS MI INTERNAL MEDICINE 518 1,406 $19,684 $14 premium 3.1% (248) 477-0552
100 THE FAMILY PRACTICE/AFTER HOURS CLINIC, PLLC HATTIESBURG MS FAMILY PRACTICE 7 1,404 $28,080 $20 premium 6.6% (601) 261-5710

Showing the top 100 of 824 groups — the full ranking is part of the market analytics platform — built, not launched yet. Notify me at launch →

*Share of the state's disclosed Medicare-FFS services for the primary code, counted once per clinician. "St" is the state the volume was billed from: a group appears in each state where its clinicians bill Medicare, with that state's volume and share ("City" is the group's registered location). Group figures sum clinicians affiliated with exactly one group; clinicians in several groups are listed in each group's drill-down but not volume-attributed to any single group, so shares reflect attributable volume. See Methods.

Comparing against an all-payer estimate?

These are exact counts from Medicare fee-for-service claims — roughly a third to half of most procedure markets, depending on payer mix. Modeled all-payer databases project the remainder statistically; we publish the audited floor and label it as such. Same market, different denominator. How the numbers reconcile →