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Medicare Colorado · CY2024

Who bills the most Anesthesia for other procedure on large bowel using an endoscope (00811) to Medicare in Colorado?

Medicare Part B FFS · CY2024 · as published by CMS
85
Billing groups
9,723
Named-group FFS services
$8,210,542
Named-group submitted charges
$844
Avg charge / service
$96
Avg allowed / service
55%
Top-5 concentration
0%
Independent share

85 physician groups billed Anesthesia for other procedure on large bowel using an endoscope (00811) to Medicare fee-for-service in Colorado in 2024; the top five named groups hold 55% of that volume, and independent (non-hospital-affiliated) groups deliver 0%.

00811 — Anesthesia for other procedure on large bowel using an endoscope · Source: CMS Medicare Physician & Other Practitioners PUF (Part B), CY2024 release. Medicare fee-for-service only.

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

Payer-mix context

Medicare fee-for-service covers 47% of Medicare in Colorado; Medicare Advantage penetration 44% → 53% 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 00811 svcs Share*Phone
1 UNIVERSITY PHYSICIANS INCORPORATED AURORACOPHYSICIAN ASSISTANT 3122 1,959 14.2% (720) 777-1234
2 US ANESTHESIA PARTNERS OF COLORADO INC DENVERCOANESTHESIOLOGY 496 1,214 8.8% (303) 438-3999
3 CATHOLIC HEALTH INITIATIVES COLORADO WOODLAND PARKCOPHYSICIAN ASSISTANT 1266 849 6.1% (719) 776-4780
4 SOUTH DENVER GASTROENTEROLOGY, P.C LONE TREECOGASTROENTEROLOGY 53 806 5.8% (303) 788-8888
5 CENTERS FOR GASTROENTEROLOGY FORT COLLINSCOGASTROENTEROLOGY 32 499 3.6% (970) 207-9773
6 PHYSICIAN ANESTHESIA SERVICES PC WHEAT RIDGECOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 113 474 3.4% (303) 425-8504
7 DENVER DIGESTIVE HEALTH SPECIALISTS INC DENVERCOGASTROENTEROLOGY 12 278 2.0% (303) 355-3525
8 GLENWOOD ANESTHESIA PROFESSIONALS, PC GLENWOOD SPGSCOANESTHESIOLOGY 22 238 1.7% (970) 945-7564
9 SUMMIT ANESTHESIA ASSOCIATES PLLC KALISPELLCOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 3 217 1.6% 40675668874003
10 BOULDER VALLEY ANESTHESIOLOGY, PLLC BOULDERCOANESTHESIOLOGY 61 146 1.1% (303) 415-7000
11 POUDRE VALLEY MEDICAL GROUP LLC COLORADO SPRINGSCOPHYSICIAN ASSISTANT 2390 144 1.0%
12 HAMPTON ROADS GASTROENTEROLOGY PC HAMPTONCOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 10 140 1.0% (757) 826-3434
13 ROCKY MOUNTAIN STATE ANESTHESIA PROVIDERS GREELEYCOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 51 134 1.0% (970) 810-4121
14 NORTHERN COLORADO ANESTHESIA PROFESSIONALS PLLC LOVELANDCOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 145 133 1.0%
15 ANESTHESIA ASSOCIATES NORTHWEST LLC SALEMCOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 94 131 0.9% (503) 561-8170
16 ANESTHESIA OF THE ROCKY MOUNTAINS, LLC COLORADO SPRINGSCOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 10 127 0.9% (719) 632-7101
17 SANTA MARIA GASTROENTEROLOGY MEDICAL GROUP INC. SANTA MARIACOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 23 123 0.9% (805) 922-6581
18 NCAP IMH LLC LARAMIECOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 10 97 0.7% (970) 224-2985
19 ANESTHESIACARE PC MOBILECOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 23 96 0.7% (251) 473-2020
20 ANESTHESIA PHYSICIANS LTD SIOUX FALLSCOANESTHESIOLOGY 23 87 0.6% (605) 386-1084
21 VALLEY ANESTHESIA PC SALEMCOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 67 83 0.6% (540) 772-3400
22 MONTANA GASTROENTEROLOGY, PLLC MISSOULACOGASTROENTEROLOGY 24 80 0.6% (406) 541-6844
23 DELTA COUNTY MEMORIAL HOSPITAL DELTACOPHYSICIAN ASSISTANT 104 79 0.6% (970) 399-2895
24 DIEHL ANESTHESIA INC COLORADO SPRINGSCOANESTHESIOLOGY 35 70 0.5% (719) 258-1250
25 UNIVERSITY OF PITTSBURGH PHYSICIANS PITTSBURGHCODIAGNOSTIC RADIOLOGY 4291 64 0.5%
26 UNIVERSITY OF WISCONSIN MEDICAL FOUNDATION INC MADISONCOPHYSICIAN ASSISTANT 2523 58 0.4% (608) 287-2050
27 ELK RIVER ANESTHESIA ASSOCIATES, P.C. STEAMBOAT SPRCOANESTHESIOLOGY 10 56 0.4% (970) 879-1322
28 AMS ANESTHETIST SERVICES LLC PENSACOLACOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 148 55 0.4% (850) 202-4700
29 WRAY COMMUNITY DISTRICT HOSPITAL WRAYCOPHYSICIAN ASSISTANT 30 54 0.4% (970) 332-4811
30 AMERICAN ANESTHESIOLOGY OF VIRGINIA PC LEESBURGCOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 511 48 0.3% (703) 724-9950
31 ANESTHESIOLOGISTS ASSOCIATED PC BIRMINGHAMCOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 401 42 0.3% (205) 848-2925
32 CHS ANESTHESIA SERVICES GROUP INC CHARLOTTECOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 749 42 0.3% (704) 355-2000
33 GREEN BAY ANESTHESIA ASSOC. SC GREEN BAYCOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 68 42 0.3% (920) 433-0111
34 COLUMBIA LUTHERAN CHARITIES ASTORIACONURSE PRACTITIONER 109 41 0.3% (503) 338-4085
35 SPECTRUM HEALTHCARE PARTNERS PA PORTLANDCODIAGNOSTIC RADIOLOGY 281 38 0.3% (207) 828-2160
36 METROPOLITAN ANESTHESIA LLC PORTLANDCOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 32 37 0.3% (503) 297-8081
37 ANESTHESIA PARTNERS OF COLORADO EDWARDSCOANESTHESIOLOGY 88 34 0.2% (970) 569-7400
38 PROFESSIONAL ANESTHESIA SERVICES OF KENTUCKY PLLC LOUISVILLECOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 317 33 0.2% (502) 629-8000
39 OU HEALTH PARTNERS INC OKLAHOMA CITYCOPHYSICIAN ASSISTANT 1160 32 0.2% (405) 271-4311
40 SMG ANESTHESIA SPECIALISTS LLC NORFOLKCOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 443 31 0.2% (757) 261-6000
41 AVERA MCKENNAN SIOUX FALLSCONURSE PRACTITIONER 964 31 0.2% (605) 322-5180
42 ARKANSAS VALLEY REGIONAL MEDICAL CENTER LA JUNTACONURSE PRACTITIONER 15 30 0.2% (719) 383-5960
43 NATIONAL JEWISH HEALTH DENVERCOPULMONARY DISEASE 243 29 0.2% (303) 398-1355
44 ANESTHESIA AND ANALGESIA MEDICAL GROUP INC SANTA ROSACOANESTHESIOLOGY 72 27 0.2% (707) 546-3210
45 MONARCH ANESTHESIA LLC SALIDACOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 7 27 0.2% (719) 530-2200
46 ANESTHESIA MEDICAL GROUP OF SANTA MARIA INC SANTA MARIACOANESTHESIOLOGY 20 25 0.2% (805) 739-3000
47 SPARTANBURG MEDICAL CENTER SPARTANBURGCONURSE PRACTITIONER 1070 25 0.2% (864) 587-3000
48 ANESTHESIA ASSOCIATES OF MEDFORD PC MEDFORDCOANESTHESIOLOGY 47 24 0.2% (541) 773-7273
49 ST VINCENT HOSPITAL SANTA FECOPHYSICIAN ASSISTANT 313 23 0.2%
50 ANESTHESIA DYNAMICS LLC LECANTOCOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 845 23 0.2% (352) 527-1825
51 BENEFIS HOSPITALS INC GREAT FALLSCOPHYSICIAN ASSISTANT 400 23 0.2% (406) 455-5000
52 NPH ANESTHESIA OF UTAH LLC OGDENCOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 94 22 0.2% (469) 998-7443
53 CLEVELAND CLINIC CLEVELANDCOPHYSICIAN ASSISTANT 6828 22 0.2%
54 INNOVIS HEALTH LLC FARGOCONURSE PRACTITIONER 565 21 0.2% (701) 364-6600
55 U S ANESTHESIA PARTNERS OF TEXAS, PA HOUSTONCOANESTHESIOLOGY 2754 19 0.1% (713) 375-7000
56 NORMAN ANESTHESIA PROVIDERS, P.C. NORMANCOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 34 19 0.1% (405) 515-1000
57 HOSPITALIST MEDICINE PHYSICIANS OF COLORADO - DENVER PC DENVERCOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 71 19 0.1% (303) 812-6400
58 CAMPBELL COUNTY HOSPITAL DISTRICT GILLETTECOPHYSICIAN ASSISTANT 134 19 0.1% (307) 688-3636
59 SURGICAL ANESTHESIA ASSOCIATES PLLC WASHINGTONCOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 97 18 0.1% (202) 537-4000
60 THE AROOSTOOK MEDICAL CENTER PRESQUE ISLECONURSE PRACTITIONER 112 18 0.1%
61 COMMUNITY MEDICAL GROUP LLC GRAND JUNCTIONCOPHYSICIAN ASSISTANT 108 18 0.1% (970) 243-3300
62 RB ANESTHESIA LLC COLORADO SPRINGSCOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 9 17 0.1% (719) 867-7862
63 ASSOCIATED ANESTHESIOLOGISTS OF THE CENTRAL COAST SAN LUIS OBISPOCOANESTHESIOLOGY 38 17 0.1% (805) 928-1731
64 KINGS DAUGHTERS MEDICAL SPECIALTIES INC ASHLANDCONURSE PRACTITIONER 392 16 0.1% (606) 325-6888
65 WOODLAND PARK ANESTHESIA LLC WOODLAND PARKCOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 2 16 0.1% (719) 687-9999
66 UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL CHAPEL HILLCONURSE PRACTITIONER 2120 16 0.1% (984) 215-5556
67 AERO ANESTHESIA, PLLC SPARTACOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 4 15 0.1% (931) 738-2164
68 SOUTHWEST OHIO ANESTHESIA CONSULTANTS LLC CINCINNATICOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 375 14 0.1% (513) 624-4500
69 HARVARD MEDICAL FACULTY PHYS AT BETH ISRAEL DEACONESS MED CTR INC BOSTONCOINTERNAL MEDICINE 1689 14 0.1% (781) 983-9088
70 ANESTHESIA ASSOCIATES OF NEW MEXICO P C ALBUQUERQUECOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 66 14 0.1% (505) 841-1234
71 PROVIDENCE ANCHORAGE ANESTHESIA MEDICAL GROUP PC ANCHORAGECOANESTHESIOLOGY 49 14 0.1% (907) 561-0005
72 GALLATIN VALLEY ANESTHESIA ASSOCIATES PC BOZEMANCOANESTHESIOLOGY 35 14 0.1% (406) 587-8631
73 MEDSTAR MEDICAL GROUP II LLC WASHINGTONCOPHYSICIAN ASSISTANT 3707 14 0.1% (202) 429-2401
74 GUNNISON VALLEY HOSPITAL GUNNISONCOPHYSICIAN ASSISTANT 53 13 0.1% (970) 641-1456
75 MEDSTREAM ANESTHESIA HAWAII LLC KAMUELACOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 24 13 0.1% (808) 885-4444
76 ORANGE COUNTY ANESTHESIA ASSOCIATES, LLC ORLANDOCOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 9 13 0.1% (407) 506-0006
77 PIEDMONT ANESTHESIA LLC STOCKBRIDGECOANESTHESIOLOGY ASSISTANT 531 13 0.1% (800) 242-1131
78 AMERICAN ANESTHESIOLOGY SERVICES OF FLORIDA INC FORT MYERSCOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 132 13 0.1% (239) 489-4909
79 CHOCTAW NATION OF OKLAHOMA TALIHINACODIAGNOSTIC RADIOLOGY 269 13 0.1%
80 TETON COUNTY HOSPITAL DISTRICT JACKSONCOPHYSICIAN ASSISTANT 111 12 0.1% (307) 733-3636
81 LUTHERAN HOSPITAL ASSOCIATION OF THE SAN LUIS VALLEY ALAMOSACODIAGNOSTIC RADIOLOGY 155 12 0.1% (719) 589-2511
82 PREMIER ANESTHESIA OF OREGON PC OREGON CITYCOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 31 12 0.1% (503) 656-1631
83 LA PAZ REGIONAL HOSPITAL INC PARKERCODIAGNOSTIC RADIOLOGY 51 12 0.1% (928) 669-7380
84 EMERGENCHEALTH PLLC SAN ANTONIOCOCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) 984 12 0.1% (210) 921-2000
85 FRANCISCAN MEDICAL GROUP TACOMACOPHYSICIAN ASSISTANT 1407 11 0.1% (253) 428-2200

*Share of Colorado's disclosed Medicare-FFS services for 00811, counted once per clinician. Volume is placed in the state it was billed from, so this page ranks the groups actually billing 00811 in Colorado — 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 →