Doctor profile · Federal record
Dr. Elizabeth Williams, MD
Anesthesiology Physician (CMS: Anesthesiology) · Critical Care Medicine (Anesthesiology) Physician · Baltimore, MD
- NPI 1700052446
- Accepts Medicare
- 18 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
22 S Greene St Fl 11
Baltimore, MD 21201
(667) 214-1616
fax (410) 328-1674 - Mailing address
-
Po Box 64374
Baltimore, MD 212644374
Credentials & registration
- NPI registered
- May 2008 — 18 yrs on file
- Profile last updated
- January 17, 2019
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State licenses (2)
- Massachusetts #251333 · Maryland #D0086210
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1700052446. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
234
Distinct HCPCS
5
Medicare allowed
$38,174
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 98 | 41 | $82 | |
99291 |
Critical care, first 30-74 minutes | 68 | 25 | $218 | |
36620 |
Insertion of artery tube for blood sampling or infusion through skin | 41 | 41 | $45 | |
00670 |
Anesthesia for extensive surgery on spine | 16 | 16 | $785 | |
36556 |
Insertion of non-tunneled central venous tube for infusion (5 years or older) | 11 | 11 | $82 |
In context: peer comparison
Among 149 peers in Baltimore Anesthesiology Physician, average services per provider: 29. This provider delivers 8.1× the peer median.Frequently asked questions
What is Dr. Elizabeth Williams's medical specialty?
Dr. Elizabeth Williams practices Anesthesiology Physician in Baltimore, MD.
Where does Dr. Elizabeth Williams practice?
Dr. Elizabeth Williams practices at 22 S Greene St Fl 11, Baltimore, MD 21201. Office phone: 6672141616.
What is Dr. Elizabeth Williams's NPI?
Dr. Elizabeth Williams's National Provider Identifier (NPI) is 1700052446, issued by NPPES.
Does Dr. Elizabeth Williams accept Medicare assignment?
Yes. Dr. Elizabeth Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Elizabeth Williams commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Critical care (HCPCS 99291); Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620). Source: CMS Medicare Physician & Other Practitioners file.