Doctor profile · Federal record
Dr. Rory Marks, MD
Rheumatology Physician (CMS: Rheumatology) · Internal Medicine Physician · Ann Arbor, MI
- NPI 1578648184
- Accepts Medicare
- 49 yrs in practice
- 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
- October 2006 — 20 yrs on file
- Profile last updated
- October 18, 2019
- Year of graduation
- 1977 — 49 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- Michigan #4301500082
- Medicaid
- MI #2669605
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578648184. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
46
Distinct HCPCS
1
Medicare allowed
$4,559
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 46 | 36 | $99 |
In context: peer comparison
Among 19 peers in Ann Arbor Rheumatology Physician, average services per provider: 94. This provider delivers 0.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
323
Patients
47
Total drug cost
$797,523
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 58 | 21 | $1,248 |
| Hydroxychloroquine Sulfate | Generic | 47 | 13 | $3,666 |
| Methotrexate (Methotrexate Sodium) | Brand | 38 | 13 | $2,031 |
| Enbrel Sureclick (Etanercept) | Brand | 37 | 0 | $261,832 |
| Actemra Actpen (Tocilizumab) | Brand | 31 | 0 | $115,445 |
| Xeljanz Xr (Tofacitinib Citrate) | Brand | 26 | 0 | $149,961 |
| Humira(Cf) Pen (Adalimumab) | Brand | 25 | 0 | $178,740 |
| Leflunomide | Generic | 19 | 0 | $1,080 |
| Alendronate Sodium | Generic | 17 | 0 | $168 |
| Mycophenolate Mofetil | Generic | 13 | 0 | $2,906 |
Hospital affiliations
Frequently asked questions
What is Dr. Rory Marks's medical specialty?
Dr. Rory Marks practices Rheumatology Physician in Ann Arbor, MI.
Where does Dr. Rory Marks practice?
Dr. Rory Marks practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095000. Office phone: 7349364000.
What is Dr. Rory Marks's NPI?
Dr. Rory Marks's National Provider Identifier (NPI) is 1578648184, issued by NPPES.
Does Dr. Rory Marks accept Medicare assignment?
Yes. Dr. Rory Marks accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rory Marks commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.