Doctor profile · Federal record
Dr. Marion Kowalewski, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Baltimore, MD
- NPI 1538126461
- Accepts Medicare
- MIPS 77.5 / 100 · 2023
- 51 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
7602 Belair RD
Baltimore, MD 212364088
(410) 663-8100
fax (410) 663-8119 - Mailing address
-
Po Box 62026
Baltimore, MD 212642026
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- December 14, 2009
- Year of graduation
- 1975 — 51 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Maryland #D0021022
- Medicaid
- MD #188011000
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538126461. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,181
Distinct HCPCS
10
Medicare allowed
$365,953
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,383 | 673 | $104 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 855 | 538 | $78 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 485 | 455 | $15 | |
G0438 |
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 335 | 335 | $173 | |
G0008 |
Administration of influenza virus vaccine | 280 | 276 | $33 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 260 | 260 | $76 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 123 | 101 | $148 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 114 | 114 | $135 | |
77080 |
Dxa bone density measurement of hip, pelvis, spine | 68 | 68 | $31 | |
G0009 |
Administration of pneumococcal vaccine | 60 | 60 | $33 |
In context: peer comparison
Among 363 peers in Baltimore Internal Medicine Physician, average services per provider: 105. This provider delivers 40× the peer median.Open Payments
Industry payments received
All-time total
$91
Transactions
5
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk INC | 4 | $73.16 | |
| Lilly USA, LLC | 1 | $17.96 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
4,949
Patients
1,573
Total drug cost
$82,500
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 673 | 201 | $11,202 |
| Levothyroxine Sodium | Generic | 481 | 136 | $8,493 |
| Losartan Potassium | Generic | 476 | 139 | $7,134 |
| Amlodipine Besylate | Generic | 409 | 121 | $4,622 |
| Simvastatin | Generic | 333 | 98 | $4,329 |
| Metoprolol Succinate | Generic | 296 | 95 | $6,958 |
| Pantoprazole Sodium | Generic | 296 | 90 | $4,675 |
| Lisinopril | Generic | 290 | 91 | $3,185 |
| Metformin Hcl | Generic | 275 | 76 | $3,110 |
| Methylprednisolone | Generic | 247 | 180 | $2,464 |
Hospital affiliations
Frequently asked questions
What is Dr. Marion Kowalewski's medical specialty?
Dr. Marion Kowalewski practices Internal Medicine Physician in Baltimore, MD.
Where does Dr. Marion Kowalewski practice?
Dr. Marion Kowalewski practices at 7602 Belair RD, Baltimore, MD 212364088. Office phone: 4106638100.
What is Dr. Marion Kowalewski's NPI?
Dr. Marion Kowalewski's National Provider Identifier (NPI) is 1538126461, issued by NPPES.
Does Dr. Marion Kowalewski accept Medicare assignment?
Yes. Dr. Marion Kowalewski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marion Kowalewski commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.