Doctor profile · Federal record
Dr. Maria Defendini, MD
Anesthesiology Physician (CMS: Anesthesiology) · Olney, MD
- NPI 1609991140
- Accepts Medicare
- 25 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
18101 Prince Philip Dr
Olney, MD 208321514
(301) 598-5100 - Mailing address
-
Po Box 79977
Baltimore, MD 212790977
Credentials & registration
- NPI registered
- March 2007 — 19 yrs on file
- Profile last updated
- July 16, 2007
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- Maryland #D63221
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609991140. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
64
Distinct HCPCS
5
Medicare allowed
$8,478
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
01402 |
Anesthesia for procedure for total knee joint replacement | 15 | 15 | $201 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 14 | 14 | $79 | |
00790 |
Anesthesia for other procedure on upper abdomen | 12 | 12 | $224 | |
64447 |
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 12 | 12 | $61 | |
00813 |
Anesthesia for procedure on small and large bowel using an endoscope | 11 | 11 | $86 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 12. This provider delivers 5.3× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Maria Defendini's medical specialty?
Dr. Maria Defendini practices Anesthesiology Physician in Olney, MD.
Where does Dr. Maria Defendini practice?
Dr. Maria Defendini practices at 18101 Prince Philip Dr, Olney, MD 208321514. Office phone: 3015985100.
What is Dr. Maria Defendini's NPI?
Dr. Maria Defendini's National Provider Identifier (NPI) is 1609991140, issued by NPPES.
Does Dr. Maria Defendini accept Medicare assignment?
Yes. Dr. Maria Defendini accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Defendini commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for procedure for total knee joint replacement (HCPCS 01402); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on upper abdomen (HCPCS 00790). Source: CMS Medicare Physician & Other Practitioners file.