Doctor profile · Federal record
Dr. Samuel Antwi, FNP-BC, PHD
Family Nurse Practitioner (CMS: Nurse Practitioner) · Washington, DC
- NPI 1144528209
- Accepts Medicare
- 16 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1601 18Th St Nw Ste 4
Washington, DC 200092505
(202) 223-0969
fax (202) 223-0963
Credentials & registration
- NPI registered
- March 2011 — 15 yrs on file
- Profile last updated
- December 9, 2023
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- District of Columbia #RN1027557
- Medicaid (3)
- MD #068468600 · VA #2013242030 · DC #047277600
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1144528209. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
365
Distinct HCPCS
2
Medicare allowed
$22,866
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 245 | 37 | $87 | |
96372 |
Injection of drug or substance under skin or into muscle | 120 | 18 | $14 |
In context: peer comparison
Among 92 peers in Washington Family Nurse Practitioner, average services per provider: 75. This provider delivers 4.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
475
Patients
0
Total drug cost
$7,021
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 49 | 0 | $600 |
| Oxycodone Hcl | Generic | 44 | 0 | $931 |
| Amlodipine Besylate | Generic | 43 | 0 | $330 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 42 | 0 | $1,620 |
| Gabapentin | Generic | 41 | 0 | $512 |
| Nifedipine ER (Nifedipine) | Brand | 33 | 0 | $418 |
| Prednisone | Generic | 32 | 0 | $188 |
| Metformin Hcl | Generic | 30 | 0 | $87 |
| Pantoprazole Sodium | Generic | 27 | 0 | $451 |
| Zolpidem Tartrate | Generic | 25 | 0 | $296 |
Frequently asked questions
What is Dr. Samuel Antwi's medical specialty?
Dr. Samuel Antwi practices Family Nurse Practitioner in Washington, DC.
Where does Dr. Samuel Antwi practice?
Dr. Samuel Antwi practices at 1601 18Th St Nw Ste 4, Washington, DC 200092505. Office phone: 2022230969.
What is Dr. Samuel Antwi's NPI?
Dr. Samuel Antwi's National Provider Identifier (NPI) is 1144528209, issued by NPPES.
Does Dr. Samuel Antwi accept Medicare assignment?
Yes. Dr. Samuel Antwi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Samuel Antwi commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Injection of drug or substance under skin or into muscle (HCPCS 96372). Source: CMS Medicare Physician & Other Practitioners file.