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Medicare California · CY2024

Who bills the most Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308) to Medicare in California?

Medicare Part B FFS · CY2024 · as published by CMS
394
Billing groups
548,245
Named-group FFS services
$82,714,826
Named-group submitted charges
$151
Avg charge / service
$73
Avg allowed / service
24%
Top-5 concentration
4%
Independent share

394 physician groups billed Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308) to Medicare fee-for-service in California in 2024; the top five named groups hold 24% of that volume, and independent (non-hospital-affiliated) groups deliver 4%.

99308 — Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more · Source: CMS Medicare Physician & Other Practitioners PUF (Part B), CY2024 release. Medicare fee-for-service only.

Snapshot covers the whole California market — the table below shows the top 100 groups (free tier).

Payer-mix context

Medicare fee-for-service covers 49% of Medicare in California; Medicare Advantage penetration 45% → 51% since 2020.

Market structure — concentration, independent share, and the consolidation trend for this market — is part of the market analytics platform — built, not launched yet. Notify me at launch →
#Physician groupCityStSpecialty Providers 99308 svcs Share*Phone
1 ORCA REHAB INC FULLERTONCANURSE PRACTITIONER 17 40,289 3.4% (714) 871-3280
2 OCEANSIDE MEDICAL GROUP A MEDICAL CORPORATION SANTA MONICACANURSE PRACTITIONER 17 25,599 2.2% (310) 993-4103
3 INTEGRATIVE SPORTS AND SPINE INC IRVINECAPHYSICAL MEDICINE AND REHABILITATION 24 23,225 2.0% (562) 997-2172
4 SHARWIN TAFAZOLI INC CULVER CITYCANURSE PRACTITIONER 47 22,360 1.9% (310) 836-7000
5 DAVID TAFTIAN DO INC RESEDACANURSE PRACTITIONER 20 21,071 1.8% (818) 458-5597
6 INTEGRATED REHAB CONSULTANTS CALIFORNIA INC LOS ANGELESCAPHYSICAL MEDICINE AND REHABILITATION 37 19,919 1.7% (312) 635-0973
7 QUALITY CARE SOLUTION INC SAN JOSECANURSE PRACTITIONER 11 13,748 1.2% (832) 618-8479
8 ROBERT MARRIOTT MEDICAL CORP IRVINECANURSE PRACTITIONER 61 9,623 0.8% (949) 854-9500
9 ADVANCED LUNG CENTER MEDICAL GROUP INC. INGLEWOODCANURSE PRACTITIONER 8 9,408 0.8% (310) 275-7575
10 SKILLED FACILITY HEALTH CARE SOLUTIONS INC RICHWOODCAGENERAL SURGERY 57 8,837 0.8% (979) 265-4794
11 WEST COAST HEALTH AND REHAB PC SAN DIEGOCANURSE PRACTITIONER 25 8,541 0.7% (201) 308-8995
12 PRO CARE MEDICAL GROUP INC CONCORDCAINTERNAL MEDICINE 2 6,794 0.6% (925) 322-3442
13 WILLIAM N BICHAI MD INC. BAKERSFIELDCANEPHROLOGY 2 6,729 0.6% (661) 327-8000
14 SINU-CLEAR INC MONTCLAIRCANURSE PRACTITIONER 2 6,618 0.6% (909) 621-4751
15 ACCESS COMMUNITY HEALTH CENTER SANTA ANACANURSE PRACTITIONER 28 6,405 0.5% (714) 352-5800
16 WOUND MD PC EL CAJONCAPHYSICIAN ASSISTANT 14 6,280 0.5% (216) 273-9800
17 ALL INCLUSIVE MEDICAL SERVICES INC CARMICHAELCANURSE PRACTITIONER 20 5,960 0.5% 9164149055100
18 KARPUS MEDICAL GROUP INC WOODLAND HILLSCANURSE PRACTITIONER 5 5,481 0.5% (818) 883-9000
19 SHRIKANT TAMHANE DO INC GARDENACANURSE PRACTITIONER 5 5,449 0.5% (310) 834-5388
20 COMMUNITY HEALTH CENTERS OF AMERICA MARIPOSACANURSE PRACTITIONER 106 5,250 0.4% (209) 966-2344
21 TOLWIN PSYCHIATRIC MEDICAL GROUP INC CULVER CITYCANURSE PRACTITIONER 12 5,111 0.4% (310) 280-9670
22 POST ACUTE REHABILITATION PHYSICIANS LLC SAN RAMONCANURSE PRACTITIONER 39 5,042 0.4% (801) 215-9309
23 ABRAHAM ISHAAYA M D A PROFESSIONAL CORPORATION LOS ANGELESCAINTERNAL MEDICINE 2 4,892 0.4%
24 ADVANTAGE NEUROPSYCHIATRIC ASSOC ORANGECANURSE PRACTITIONER 16 4,864 0.4% (714) 633-4300
25 SNF WOUND CARE LOS ANGELESCANURSE PRACTITIONER 33 4,719 0.4% (310) 270-6181
26 ACN MEDICAL GROUP INC MILLBRAECAINTERNAL MEDICINE 2 4,648 0.4% (510) 306-4721
27 HARBOR COMPREHENSIVE HEALTH INC WILMINGTONCAORTHOPEDIC SURGERY 3 4,610 0.4% (310) 830-0863
28 J M GEISS DO APC SANTA ANACANURSE PRACTITIONER 156 4,576 0.4% (855) 434-7763
29 MEMORY CHECK PSYCHOLOGICAL SERVICES, A PROFESSIONAL CORPORATION CARLSBADCACLINICAL PSYCHOLOGIST 82 4,492 0.4% (888) 515-3834
30 GURPREET S DHUGGA MEDICAL CORPORATION FAIRFIELDCANURSE PRACTITIONER 5 4,382 0.4% (707) 864-1056
31 INFUSION AND CLINICAL SERVICES INC BAKERSFIELDCANURSE PRACTITIONER 39 4,347 0.4% (661) 215-7500
32 MING-WEI WU INC BREACANURSE PRACTITIONER 38 4,224 0.4% 88843488806
33 EL-BERSHAWI MEDICAL CORP RIVERSIDECACRITICAL CARE (INTENSIVISTS) 43 4,150 0.4% (951) 781-3672
34 ST. JOHN'S COMMUNITY HEALTH LOS ANGELESCANURSE PRACTITIONER 140 3,941 0.3% (323) 541-1411
35 GALEN INPATIENT PHYSICIANS PC PENSACOLACAHOSPITALIST 1012 3,900 0.3% (850) 416-7000
36 ALEXANDER Y CHAN, MD INC TURLOCKCANURSE PRACTITIONER 3 3,830 0.3% (209) 632-7577
37 REHABILITATION ASSOCIATES PTR LONG BEACHCAPHYSICAL MEDICINE AND REHABILITATION 7 3,682 0.3% (562) 424-8111
38 OMAR OSMAN PRACTICE, LLC SAN DIEGOCANURSE PRACTITIONER 38 3,538 0.3% (858) 259-2222
39 RONALD J PHILIPP DO A PROF CORP LONG BEACHCAFAMILY PRACTICE 2 3,530 0.3% (562) 498-8000
40 SANI AND ESHAGHIAN MD INC NORTHRIDGECAINTERNAL MEDICINE 4 3,367 0.3% (844) 428-5864
41 CALIFORNIA WOUND HEALING MEDICAL GROUP INC. ALHAMBRACANURSE PRACTITIONER 14 3,342 0.3% (323) 264-7796
42 ROSSMOOR MEDICAL ASSOCIATES INC WALNUT CREEKCAINTERNAL MEDICINE 5 3,167 0.3% (925) 933-1210
43 FUTURE HEALTH CENTER INC REDLANDSCANURSE PRACTITIONER 4 3,093 0.3% (909) 493-5859
44 HGRT MEDICAL GROUP INC SAN JUAN CAPISTRANOCAINTERNAL MEDICINE 3 3,056 0.3% (949) 248-8855
45 FOOT AND ANKLE DOCTORS INC A PROFESSIONAL CORPORATION BEVERLY HILLSCAPODIATRY 9 3,011 0.3% (310) 652-3668
46 NOEL SERRANO MD PC OAKLANDCAINTERNAL MEDICINE 8 2,975 0.3% (707) 535-9279
47 DZUNG TRINH MD INC FRESNOCAINTERNAL MEDICINE 4 2,857 0.2% (559) 550-4344
48 RAMIN GANJIANPOUR MD INC MISSION HILLSCAPHYSICIAN ASSISTANT 4 2,833 0.2% (818) 361-0136
49 MARY GESSNER-PETERSON MEDICAL GROUP INC ALPINECAPHYSICIAN ASSISTANT 4 2,814 0.2% (978) 994-1766
50 SHASTA REGIONAL MEDICAL GROUP INC REDDINGCANURSE PRACTITIONER 39 2,779 0.2% (530) 605-4260
51 JOHN MUIR PHYSICIAN NETWORK WALNUT CREEKCAFAMILY PRACTICE 489 2,688 0.2% (925) 296-9720
52 HARDISON MEDICAL CORPORATION RANCHO SANTA FECANURSE PRACTITIONER 11 2,616 0.2% (858) 771-1349
53 ARAM HARIJAN MD PC LA MESACANURSE PRACTITIONER 8 2,564 0.2% (858) 717-5029
54 HERITAGE HEALTH CENTER INC JACKSONCANURSE PRACTITIONER 4 2,523 0.2% (209) 223-7040
55 MERCED HOSPITALIST MEDICAL GROUP INC MERCEDCAINTERNAL MEDICINE 41 2,491 0.2% (209) 564-5000
56 GERIATRICS CARE SOLUTION INC SAN FRANCISCOCANURSE PRACTITIONER 7 2,430 0.2% (617) 510-7972
57 SNF SPECIALISTS MEDICAL CORPORATION FAIRFIELDCANURSE PRACTITIONER 25 2,429 0.2% (800) 973-1540
58 PACIFIC COAST PSYCHIATRIC ASSOCIATES INC SAN DIEGOCAMARRIAGE AND FAMILY THERAPIST 573 2,384 0.2% (858) 279-1223
59 DEREK NGUYEN MD INC RIVERSIDECANURSE PRACTITIONER 4 2,331 0.2% (951) 683-6830
60 MID-VALLEY PULMONARY MEDICAL GROUP, INC. SHERMAN OAKSCAPULMONARY DISEASE 10 2,317 0.2% (818) 325-0200
61 HOSPITALIST CORPORATION OF INLAND EMPIRE POMONACAINTERNAL MEDICINE 24 2,232 0.2% (909) 630-7158
62 MOUNTAIN COMMUNITIES HEALTHCARE DISTRICT WEAVERVILLECADIAGNOSTIC RADIOLOGY 38 2,127 0.2% (530) 623-5541
63 FAMILY PRACTICE ASSOCIATES OF CARSON MEDICAL GROUP INC CARSONCAINTERNAL MEDICINE 3 2,126 0.2% (310) 233-3228
64 JS WOUND CARE INC NEWHALLCAPHYSICIAN ASSISTANT 4 2,089 0.2% (714) 261-5181
65 INPATIENT SPECIALISTS OF CALIFORNIA PC SAN BERNARDINOCAINTERNAL MEDICINE 370 2,033 0.2% (909) 883-8711
66 PROVIDENCE MEDICAL INSTITUTE TORRANCECAINTERNAL MEDICINE 339 1,997 0.2% (310) 303-7496
67 IMPERIAL VALLEY FAMILY CARE MEDICAL GROUP A P C EL CENTROCAFAMILY PRACTICE 23 1,981 0.2% (760) 353-6363
68 CRESCENT WOUND CARE INC MODESTOCAGENERAL SURGERY 28 1,977 0.2% (858) 967-3070
69 DADOYAN BEHAVIORAL MEDICAL GROUP INC SHERMAN OAKSCANURSE PRACTITIONER 8 1,966 0.2% (818) 461-8911
70 CHEST AND CRITICAL CARE CONSULTANTS A MEDICAL GROUP TUSTINCAINTERNAL MEDICINE 69 1,960 0.2% (714) 573-8200
71 SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP LOS ANGELESCAINTERNAL MEDICINE 11157 1,920 0.2% (800) 954-8000
72 CALIFORNIA POST-ACUTE MEDICAL GROUP 1 INC VALLEJOCAINTERNAL MEDICINE 5 1,877 0.2% (707) 644-7401
73 PROVIDENCE MEDICAL FOUNDATION FULLERTONCAPHYSICIAN ASSISTANT 1455 1,871 0.2% (714) 871-3006
74 CALIFORNIA PULMONARY ASSOCIATES INC UPLANDCAPULMONARY DISEASE 7 1,841 0.2% (626) 914-5219
75 LIFELONG MEDICAL CARE BERKELEYCANURSE PRACTITIONER 80 1,780 0.2% (510) 981-4200
76 SUTTER BAY MEDICAL FOUNDATION PALO ALTOCAINTERNAL MEDICINE 3716 1,722 0.1% (415) 600-1020
77 ORTHOPAEDIC SPECIALTY INSTITUTE MEDICAL GROUP OF ORANGE COUNTY ORANGECAPHYSICIAN ASSISTANT 58 1,672 0.1% (714) 634-4567
78 PHILIP CHIOU MD INC LONG BEACHCAPHYSICIAN ASSISTANT 2 1,609 0.1% (562) 933-1248
79 PULMONARY MEDICAL CORPORATION TARZANACACRITICAL CARE (INTENSIVISTS) 2 1,605 0.1% (818) 758-0020
80 PATHWAY MEDICAL GROUP INC GARDEN GROVECAINTERNAL MEDICINE 17 1,601 0.1% (714) 636-9852
81 IZUCHUKWU OKPARA MD INC VALENCIACAPHYSICIAN ASSISTANT 51 1,593 0.1% (213) 228-3538
82 VOHRA WOUND PHYSICIANS OF CA PC BELLFLOWERCAFAMILY PRACTICE 4 1,560 0.1% (562) 925-4252
83 PANTEA FARHADI MD A MEDICAL CORPORATION LOS ANGELESCANURSE PRACTITIONER 4 1,532 0.1% (310) 890-7598
84 CITY AND COUNTY OF SAN FRANCISCO SAN FRANCISCOCANURSE PRACTITIONER 366 1,506 0.1%
85 PRODE P PASCUAL MD INC WALNUTCAINTERNAL MEDICINE 2 1,484 0.1% (424) 789-4691
86 NEW WORLD MULTISPECIALTY MEDICAL GROUP INC LOS ANGELESCANURSE PRACTITIONER 4 1,478 0.1% (213) 388-2229
87 MICHAEL Y KARAPETIAN MD MEDICAL CLINIC INC LOS ANGELESCAINTERNAL MEDICINE 2 1,468 0.1% (323) 913-9300
88 ALTEA MEDICAL CALIFORNIA PC EUREKACANURSE PRACTITIONER 69 1,418 0.1% (707) 445-3261
89 MEHBOOB MAKHANI MD A PROFESSIONAL CORPORATION NORTHRIDGECANURSE PRACTITIONER 8 1,411 0.1% (818) 717-8464
90 SNF REHAB ONLY VACAVILLECAFAMILY PRACTICE 5 1,402 0.1% (707) 451-4111
91 LONG TERM CARE MEDICAL GROUP, INC FRESNOCAINTERNAL MEDICINE 34 1,397 0.1% (559) 450-3000
92 DIGNITY HEALTH MEDICAL FOUNDATION FOLSOMCADIAGNOSTIC RADIOLOGY 1197 1,395 0.1% (916) 983-7476
93 WILLIAM GILLESPIE AND ASSOCIATES INC GLENDORACANURSE PRACTITIONER 16 1,377 0.1% (626) 914-1980
94 PIH HEALTH PHYSICIANS WHITTIERCAINTERNAL MEDICINE 606 1,259 0.1% (562) 698-0811
95 DR JACOB AND ASSOCIATES INC GLENDORACACLINICAL PSYCHOLOGIST 9 1,231 0.1% (626) 963-4467
96 WEST COAST WOUND AND SKIN CARE INC LYNWOODCAFAMILY PRACTICE 31 1,227 0.1% (818) 856-9535
97 CALIFORNIA WOUND AND HYPERBARIC SPECIALISTS INC PLEASANT HILLCANURSE PRACTITIONER 4 1,211 0.1% (510) 224-6556
98 METICULOUS HEALTH CARE PC VAN NUYSCANURSE PRACTITIONER 6 1,186 0.1% (818) 901-7855
99 TYRONE E SNIPES D O INTERNAL MEDICINE PRIMARY CARE INC SAN LEANDROCANURSE PRACTITIONER 3 1,096 0.1% 5104449460321
100 RENEW BEHAVORIAL HEALTH INC LONG BEACHCANURSE PRACTITIONER 4 1,070 0.1% (562) 637-3143

*Share of California's disclosed Medicare-FFS services for 99308, counted once per clinician. Volume is placed in the state it was billed from, so this page ranks the groups actually billing 99308 in California — including groups registered elsewhere ("City" is each 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.

How to read this. Figures are Medicare fee-for-service only — not all-payer — from the CMS Medicare Physician & Other Practitioners Public Use File (Part B), CY2024 release. CMS suppresses any provider×code row under 11 beneficiaries, so a missing group means "suppressed," never zero. "Charges" are provider-submitted amounts, not payments. Groups are ranked by measured service volume attributed to clinicians in exactly one group — clinicians affiliated with several groups are listed in rosters but never volume-attributed to a single group — a direct read of the public record, not a rating or quality score. Full method: Methods & Sources.

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 →