Doctor profile · Federal record
Dr. Michael Combs, M.D.
Pulmonary Disease Physician (CMS: Pulmonary Disease) · Internal Medicine Physician · Internal Medicine Physician · Ann Arbor, MI
- NPI 1144663501
- Accepts Medicare
- 13 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1500 E Medical Center Dr
Ann Arbor, MI 481095000
(734) 936-4000 - Mailing address
-
3621 S State St
Ann Arbor, MI 481081633
Credentials & registration
- NPI registered
- April 2013 — 13 yrs on file
- Profile last updated
- February 5, 2020
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State licenses (2)
- Michigan #4301109919 · California #A133765
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1144663501. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
262
Distinct HCPCS
5
Medicare allowed
$32,293
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 140 | 25 | $121 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 50 | 33 | $145 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 34 | 17 | $75 | |
99239 |
Hospital discharge day management, more than 30 minutes | 20 | 17 | $117 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 18 | 17 | $177 |
In context: peer comparison
Among 25 peers in this city , average services per provider: 43. This provider delivers 6.1× the peer median.Open Payments
Industry payments received
All-time total
$2,500
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| SANOFI-AVENTIS U.S. LLC | 1 | $2,500.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
397
Patients
65
Total drug cost
$111,119
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 65 | 15 | $382 |
| Prednisone | Generic | 54 | 14 | $2,523 |
| Azithromycin | Generic | 44 | 12 | $753 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 31 | 13 | $23,450 |
| Omeprazole | Generic | 27 | 0 | $378 |
| Montelukast Sodium | Generic | 26 | 0 | $195 |
| Spiriva Respimat (Tiotropium Bromide) | Brand | 24 | 0 | $13,557 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 19 | 11 | $1,015 |
| Mycophenolate Mofetil | Generic | 18 | 0 | $2,703 |
| Tacrolimus | Generic | 18 | 0 | $1,011 |
Hospital affiliations
Frequently asked questions
What is Dr. Michael Combs's medical specialty?
Dr. Michael Combs practices Pulmonary Disease Physician in Ann Arbor, MI.
Where does Dr. Michael Combs practice?
Dr. Michael Combs practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095000. Office phone: 7349364000.
What is Dr. Michael Combs's NPI?
Dr. Michael Combs's National Provider Identifier (NPI) is 1144663501, issued by NPPES.
Does Dr. Michael Combs accept Medicare assignment?
Yes. Dr. Michael Combs accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Combs commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.