Who bills the most Diagnostic exam of nasal passages using an endoscope (31231) to Medicare in Michigan?
Medicare Part B FFS · CY2024 · as published by CMS48 physician groups billed Diagnostic exam of nasal passages using an endoscope (31231) to Medicare fee-for-service in Michigan in 2024; the top five named groups hold 34% of that volume, and independent (non-hospital-affiliated) groups deliver 0%.
31231 — Diagnostic exam of nasal passages using an endoscope · Source: CMS Medicare Physician & Other Practitioners PUF (Part B), CY2024 release. Medicare fee-for-service only.
Snapshot covers the whole Michigan market — the table below shows the top 100 groups (free tier).
Medicare fee-for-service covers 37% of Medicare in Michigan; Medicare Advantage penetration 48% → 63% since 2020.
| # | Physician group | City | St | Specialty | Providers | 31231 svcs | Share* | Phone |
|---|---|---|---|---|---|---|---|---|
| 1 | EAR NOSE AND THROAT CONSULTANTS PC | SOUTHFIELD | MI | QUALIFIED AUDIOLOGIST | 31 | 511 | 6.9% | (248) 569-5985 |
| 2 | REGENTS OF THE UNIVERSITY OF MICHIGAN | ANN ARBOR | MI | INTERNAL MEDICINE | 3330 | 436 | 5.9% | (734) 763-5459 |
| 3 | KENNETH L GWINN MD PC | MACOMB | MI | NURSE PRACTITIONER | 6 | 371 | 5.0% | (586) 799-1212 |
| 4 | HENRY FORD HEALTH SYSTEM | DETROIT | MI | PHYSICIAN ASSISTANT | 2536 | 277 | 3.7% | (313) 916-2600 |
| 5 | GREAT LAKES EAR NOSE AND THROAT SPECIALISTS PC | PETOSKEY | MI | QUALIFIED AUDIOLOGIST | 7 | 269 | 3.6% | (231) 489-8151 |
| 6 | OAKLAND MEDICAL SERVICES PC | ROYAL OAK | MI | OTOLARYNGOLOGY | 2 | 262 | 3.5% | (248) 737-4030 |
| 7 | LAKESHORE EAR NOSE AND THROAT CENTER PC | MACOMB | MI | OTOLARYNGOLOGY | 9 | 231 | 3.1% | (586) 286-6565 |
| 8 | MICHIGAN OTOLARYNGOLOGY SURGERY | YPSILANTI | MI | OTOLARYNGOLOGY | 20 | 222 | 3.0% | (734) 434-3200 |
| 9 | DANNY KEWSON M.D. P.C | DEARBORN | MI | OTOLARYNGOLOGY | 11 | 214 | 2.9% | — |
| 10 | ENT CARE OF MICHIGAN PLC | WATERFORD | MI | OTOLARYNGOLOGY | 5 | 196 | 2.6% | (248) 254-8900 |
| 11 | BEAUMONT MEDICAL GROUP- SPECIALTY SERVICES | ROYAL OAK | MI | PHYSICIAN ASSISTANT | 833 | 188 | 2.5% | (248) 898-5058 |
| 12 | CLINICAL HEALTH CARE ASSOCIATES OF NEW JERSEY PC | CHERRY HILL | MI | DIAGNOSTIC RADIOLOGY | 825 | 181 | 2.4% | (856) 433-2535 |
| 13 | MID MICHIGAN EAR NOSE AND THROAT PC | EAST LANSING | MI | QUALIFIED AUDIOLOGIST | 25 | 171 | 2.3% | (517) 324-4911 |
| 14 | ENT SPECIALISTS PC | NOVI | MI | OTOLARYNGOLOGY | 12 | 161 | 2.2% | (248) 477-7020 |
| 15 | MAYO CLINIC | ROCHESTER | MI | NURSE PRACTITIONER | 4896 | 128 | 1.7% | (507) 284-2511 |
| 16 | RICHARD C SCHULTZ MD AND ASSOCIATES PC | TRAVERSE CITY | MI | OTOLARYNGOLOGY | 5 | 115 | 1.5% | (231) 941-1155 |
| 17 | THE ASSOCIATION OF UNIVERSITY PHYSICIANS | SEATTLE | MI | PHYSICIAN ASSISTANT | 3612 | 109 | 1.5% | (206) 364-0500 |
| 18 | HEARTLAND REGIONAL MEDICAL CENTER | SAINT JOSEPH | MI | NURSE PRACTITIONER | 387 | 106 | 1.4% | (816) 271-6870 |
| 19 | GRAND RAPIDS EAR NOSE AND THROAT CENTER PLLC | GRAND RAPIDS | MI | PHYSICIAN ASSISTANT | 10 | 90 | 1.2% | — |
| 20 | GEOFFREY TRENKLE DO A PROFESSIONAL MEDICAL CORPORATION | LOS ANGELES | MI | OTOLARYNGOLOGY | 18 | 87 | 1.2% | (323) 268-6731 |
| 21 | MICHAEL A FREEDMAN DO PC | RIVERVIEW | MI | OTOLARYNGOLOGY | 2 | 86 | 1.2% | (734) 479-7310 |
| 22 | SPECTRUM HEALTH PRIMARY CARE PARTNERS | GRAND RAPIDS | MI | PHYSICIAN ASSISTANT | 2255 | 79 | 1.1% | (616) 885-5000 |
| 23 | DOWNRIVER ENT PC | ALLEN PARK | MI | QUALIFIED AUDIOLOGIST | 2 | 78 | 1.0% | (313) 381-8787 |
| 24 | MYMICHIGAN MEDICAL GROUP | MIDLAND | MI | INTERNAL MEDICINE | 182 | 75 | 1.0% | (989) 839-1644 |
| 25 | HENRY FORD WYANDOTTE HOSPITAL | WYANDOTTE | MI | PHYSICIAN ASSISTANT | 196 | 64 | 0.9% | — |
| 26 | MICHIGAN HEALTHCARE PROFESSIONALS PC | FARMINGTON HILLS | MI | INTERNAL MEDICINE | 518 | 60 | 0.8% | (248) 477-0552 |
| 27 | WESTERN MICHIGAN ENT PC | MANISTEE | MI | OTOLARYNGOLOGY | 5 | 59 | 0.8% | (231) 398-9536 |
| 28 | OTOLARYNGOLOGY HEAD AND NECK SURGERY ASSOCIATES | KNOXVILLE | MI | QUALIFIED AUDIOLOGIST | 15 | 57 | 0.8% | (865) 777-1727 |
| 29 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | MI | PHYSICIAN ASSISTANT | 6294 | 53 | 0.7% | — |
| 30 | NORTH OAKLAND EAR NOSE AND THROAT CENTERS PC | CLARKSTON | MI | OTOLARYNGOLOGY | 3 | 49 | 0.7% | (248) 620-3100 |
| 31 | BRONSON METHODIST HOSPITAL | KALAMAZOO | MI | PHYSICIAN ASSISTANT | 728 | 48 | 0.6% | — |
| 32 | UVPC SPECIALISTS, INC. | TROY | MI | PHYSICIAN ASSISTANT | 83 | 47 | 0.6% | — |
| 33 | LISA JACOBSON D.O., P.C. | CADILLAC | MI | OTOLARYNGOLOGY | 2 | 47 | 0.6% | — |
| 34 | BAKER EAR, NOSE AND THROAT ASSOCIATES, PLC | BAY CITY | MI | OTOLARYNGOLOGY | 4 | 47 | 0.6% | — |
| 35 | MICHIGAN EAR NOSE THROAT AND ALLERGY SPECIALISTS PC | HOLLAND | MI | PHYSICIAN ASSISTANT | 43 | 46 | 0.6% | (616) 994-2770 |
| 36 | W. A. FOOTE MEMORIAL HOSPITAL, INC. | JACKSON | MI | NURSE PRACTITIONER | 475 | 46 | 0.6% | (517) 205-1594 |
| 37 | ROBERT KENDELL D.O.,P.C. | CADILLAC | MI | QUALIFIED AUDIOLOGIST | 4 | 33 | 0.4% | (231) 779-6260 |
| 38 | EAR, NOSE, THROAT AND PLASTIC SURGERY ASSOCIATES, P.C. | GRAND BLANC | MI | OTOLARYNGOLOGY | 6 | 32 | 0.4% | (810) 694-0600 |
| 39 | MICHAEL SHERBIN DO PC | MOUNT CLEMENS | MI | OTOLARYNGOLOGY | 3 | 31 | 0.4% | (586) 463-5831 |
| 40 | MCHS HOSPITALS INC | MARSHFIELD | MI | NURSE PRACTITIONER | 1179 | 26 | 0.3% | — |
| 41 | TROY SLEEP CENTER, PLC | TROY | MI | PULMONARY DISEASE | 3 | 24 | 0.3% | (248) 689-1000 |
| 42 | MYMICHIGAN MEDICAL CENTER SAULT | SAULT SAINTE MARIE | MI | PHYSICIAN ASSISTANT | 100 | 23 | 0.3% | (906) 253-0113 |
| 43 | PROMEDICA CENTRAL CORPORATION OF MICHIGAN | ADRIAN | MI | PHYSICIAN ASSISTANT | 112 | 20 | 0.3% | (517) 577-0283 |
| 44 | PARAGON HEALTH PC | KALAMAZOO | MI | NEPHROLOGY | 51 | 17 | 0.2% | (269) 382-3012 |
| 45 | THE AROOSTOOK MEDICAL CENTER | PRESQUE ISLE | MI | NURSE PRACTITIONER | 112 | 15 | 0.2% | — |
| 46 | UNIVERSITY PHYSICIAN GROUP | DETROIT | MI | NURSE PRACTITIONER | 405 | 14 | 0.2% | (800) 527-6266 |
| 47 | VALLEY ENT ASSOCIATES PC | SAGINAW | MI | OTOLARYNGOLOGY | 3 | 14 | 0.2% | (989) 799-8620 |
| 48 | MONROE EAR NOSE AND THROAT ASSOCIATES PC | MONROE | MI | OTOLARYNGOLOGY | 2 | 11 | 0.1% | (734) 243-5020 |
*Share of Michigan's disclosed Medicare-FFS services for 31231, counted once per clinician. Volume is placed in the state it was billed from, so this page ranks the groups actually billing 31231 in Michigan — 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 →