Doctor profile · Federal record
Dr. Margaret Hamm, NP
Nurse Practitioner · Washington, DC
- NPI 1174034375
- Accepts Medicare
- MIPS 79.1 / 100 · 2023
- 9 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3800 Reservoir RD Nw
Washington, DC 200072113
(202) 444-5842
Credentials & registration
- NPI registered
- October 2017 — 9 yrs on file
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State license (1)
- District of Columbia #RN1020006
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1174034375. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
12
Distinct HCPCS
1
Medicare allowed
$621
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 12 | 12 | $52 |
In context: peer comparison
Among 23 peers in this city , average services per provider: 55. This provider delivers 0.2× the peer median.Open Payments
Industry payments received
All-time total
$35
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | 1 | $20.50 | |
| Ethicon US, LLC | 1 | $14.64 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
54
Patients
25
Total drug cost
$652
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 36 | 25 | $559 |
| Oxycodone Hcl | Generic | 18 | 0 | $93 |
Hospital affiliations
Frequently asked questions
What is Dr. Margaret Hamm's medical specialty?
Dr. Margaret Hamm practices Nurse Practitioner in Washington, DC.
Where does Dr. Margaret Hamm practice?
Dr. Margaret Hamm practices at 3800 Reservoir RD Nw, Washington, DC 200072113. Office phone: 2024445842.
What is Dr. Margaret Hamm's NPI?
Dr. Margaret Hamm's National Provider Identifier (NPI) is 1174034375, issued by NPPES.
Does Dr. Margaret Hamm accept Medicare assignment?
Yes. Dr. Margaret Hamm accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Hamm commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.