Doctor profile · Federal record
Dr. Stefan Riedel, M.D., PH.D.
Clinical Pathology Physician (CMS: Pathology) · Medical Microbiology Physician · Baltimore, MD
- NPI 1265647838
- Accepts Medicare
- 30 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4940 Eastern Ave, A Building, Rm. 102-B
Baltimore, MD 212242735
(410) 550-6618
fax (410) 550-2109
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- June 26, 2013
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207ZC0006X — NUCC code
- State license (1)
- Maryland #D0066607
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265647838. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,166
Distinct HCPCS
4
Medicare allowed
$21,920
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
84165 |
Protein measurement, serum | 759 | 558 | $19 | |
84166 |
Protein measurement, body fluid | 226 | 178 | $19 | |
86334 |
Immunologic analysis technique on serum (immunofixation) | 155 | 137 | $19 | |
86335 |
Immunologic analysis technique on body fluid, other fluids with concentration | 26 | 22 | $19 |
In context: peer comparison
Among 2 peers in Baltimore Clinical Pathology Physician, average services per provider: 201. This provider delivers 5.8× the peer median.Open Payments
Industry payments received
All-time total
$19,363
Transactions
17
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 16 | $18,088.09 | |
| Pfizer INC. | 1 | $1,275.00 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Stefan Riedel's medical specialty?
Dr. Stefan Riedel practices Clinical Pathology Physician in Baltimore, MD.
Where does Dr. Stefan Riedel practice?
Dr. Stefan Riedel practices at 4940 Eastern Ave, Baltimore, MD 212242735. Office phone: 4105506618.
What is Dr. Stefan Riedel's NPI?
Dr. Stefan Riedel's National Provider Identifier (NPI) is 1265647838, issued by NPPES.
Does Dr. Stefan Riedel accept Medicare assignment?
Yes. Dr. Stefan Riedel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stefan Riedel commonly perform?
Top Medicare-reported procedures in 2023: Protein measurement, serum (HCPCS 84165); Protein measurement, body fluid (HCPCS 84166); Immunologic analysis technique on serum (immunofixation) (HCPCS 86334). Source: CMS Medicare Physician & Other Practitioners file.