Doctor profile · Federal record
Dr. Mary Hyder, M.D.
Anesthesiology Physician (CMS: Anesthesiology) · Critical Care Medicine (Anesthesiology) Physician · Baltimore, MD
- NPI 1821034109
- Accepts Medicare
- 33 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
22 S Greene St
Baltimore, MD 212011544
(410) 328-6704
fax (410) 328-4124 - Mailing address
-
Po Box 64793
Baltimore, MD 212644793
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- March 14, 2008
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- Maryland #D56554
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821034109. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
361
Distinct HCPCS
5
Medicare allowed
$20,592
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 121 | 118 | $60 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 116 | 116 | $55 | |
00813 |
Anesthesia for procedure on small and large bowel using an endoscope | 57 | 57 | $68 | |
00812 |
Anesthesia for exam of colon using an endoscope | 42 | 42 | $42 | |
00910 |
Anesthesia for other procedure on urinary system through urethra | 25 | 24 | $53 |
In context: peer comparison
Among 149 peers in Baltimore Anesthesiology Physician, average services per provider: 29. This provider delivers 12× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Mary Hyder's medical specialty?
Dr. Mary Hyder practices Anesthesiology Physician in Baltimore, MD.
Where does Dr. Mary Hyder practice?
Dr. Mary Hyder practices at 22 S Greene St, Baltimore, MD 212011544. Office phone: 4103286704.
What is Dr. Mary Hyder's NPI?
Dr. Mary Hyder's National Provider Identifier (NPI) is 1821034109, issued by NPPES.
Does Dr. Mary Hyder accept Medicare assignment?
Yes. Dr. Mary Hyder accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Hyder commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for procedure on small and large bowel using an endoscope (HCPCS 00813). Source: CMS Medicare Physician & Other Practitioners file.