Doctor profile · Federal record
Dr. Matthew Grzywinski, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Student in an Organized Health Care Education/Training Program · Baltimore, MD
- NPI 1619534658
- Accepts Medicare
- 7 yrs in practice
- Licensed in 3 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
301 Saint Paul St
Baltimore, MD 21202
(410) 332-9477 - Additional location
-
1500 East Medical Center Drive, B1-380 Taubman Center
Ann Arbor, MI 48109
(734) 763-7919
fax (734) 936-9298 - Additional location
-
1020 Sansom St Ste 239
Philadelphia, PA 191075002
(215) 955-6844
Credentials & registration
- NPI registered
- May 2019 — 7 yrs on file
- Profile last updated
- July 30, 2024
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (3)
- Maryland #D0099548 · Pennsylvania #MD480180 · Michigan #2036456
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1619534658. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
218
Distinct HCPCS
3
Medicare allowed
$23,858
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 108 | 105 | $181 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 81 | 76 | $8 | |
99284 |
Emergency department visit with moderate level of medical decision making | 29 | 29 | $125 |
In context: peer comparison
Among 176 peers in this city , average services per provider: 92. This provider delivers 2.4× the peer median.Frequently asked questions
What is Dr. Matthew Grzywinski's medical specialty?
Dr. Matthew Grzywinski practices Emergency Medicine Physician in Baltimore, MD.
Where does Dr. Matthew Grzywinski practice?
Dr. Matthew Grzywinski practices at 301 Saint Paul St, Baltimore, MD 21202. Office phone: 4103329477.
What is Dr. Matthew Grzywinski's NPI?
Dr. Matthew Grzywinski's National Provider Identifier (NPI) is 1619534658, issued by NPPES.
Does Dr. Matthew Grzywinski accept Medicare assignment?
Yes. Dr. Matthew Grzywinski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Grzywinski commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.