Doctor profile · Federal record
Dr. Thomas Grissom, M.D
Anesthesiology Physician (CMS: Anesthesiology) · Critical Care Medicine (Anesthesiology) Physician · Baltimore, MD
- NPI 1740221902
- Accepts Medicare
- 40 yrs in practice
- Male
- 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
- 1986 — 40 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- Maryland #D60747
- Medicaid
- MD #404697800
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740221902. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
44
Distinct HCPCS
3
Medicare allowed
$7,212
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00400 |
Anesthesia for other procedure on skin of arms, legs, and front body | 21 | 19 | $139 | |
31500 |
Emergent insertion of breathing tube into windpipe using an endoscope | 12 | 12 | $149 | |
01230 |
Anesthesia for procedure on upper 2/3rd of thigh bone | 11 | 11 | $227 |
In context: peer comparison
Among 149 peers in this city , average services per provider: 29. This provider delivers 1.5× the peer median.Frequently asked questions
What is Dr. Thomas Grissom's medical specialty?
Dr. Thomas Grissom practices Anesthesiology Physician in Baltimore, MD.
Where does Dr. Thomas Grissom practice?
Dr. Thomas Grissom practices at 22 S Greene St, Baltimore, MD 212011544. Office phone: 4103286704.
What is Dr. Thomas Grissom's NPI?
Dr. Thomas Grissom's National Provider Identifier (NPI) is 1740221902, issued by NPPES.
Does Dr. Thomas Grissom accept Medicare assignment?
Yes. Dr. Thomas Grissom accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Grissom commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on skin of arms, legs, and front body (HCPCS 00400); Emergent insertion of breathing tube into windpipe using an endoscope (HCPCS 31500); Anesthesia for procedure on upper 2/3rd of thigh bone (HCPCS 01230). Source: CMS Medicare Physician & Other Practitioners file.