NPI registry status
Active
2026 NPPES data Family Nurse Practitioner NPI 1144528209 FNP-BC, PHD
Verify on CMS → Samuel Antwi, FNP-BC, PHD
Family Nurse Practitioner in Washington, District of Columbia.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 209,817 in Family Nurse Practitioner, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
923
Medicare Part D claims · 48 beneficiaries · Family Nurse Practitioner avg: 1K
Compiled from official public sources by the PlainDoctor editorial team.
What the federal data shows
Samuel Antwi, FNP-BC, PHD filed 923 Medicare Part D claims in 2023 as a Family Nurse Practitioner in Washington, District of Columbia.
- 923
- Part D claims, 2023
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.
Samuel Antwi, FNP-BC, PHD's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
923 Top 25% higher than 75% of 1,370,886 prescribers
Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source CMS Medicare Part D Prescriber Public Use File · 2023
What does the federal data show about Samuel Antwi, FNP-BC, PHD?
Quality data not reportedPrimary specialty
Family Nurse Practitioner
Medicare Part D claims
923 24% vs specialty avg
Specialty distribution in District of Columbia
How Family Nurse Practitioner compares to other specialties among District of Columbia providers
Board certification
Not published by CMS
CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Family Nurse Practitioner. Verify directly:
How MIPS and board certification work
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
Samuel Antwi, FNP-BC, PHD appears in the CMS NPPES registry as a Family Nurse Practitioner provider holding FNP-BC, PHD credentials at 1601 18TH ST NW STE 4, Washington, DC, 20009, with a listed phone of (202) 223-0969. NPI 1144528209 was issued on 03/14/2011.
Medicare Part D records for calendar year 2023 show 923 prescription claims written by this provider, covering 48 Medicare beneficiaries and totaling roughly $90K in drug spend, with an opioid prescribing rate of 10.8%.
Family Nurse Practitioner is a high-volume specialty nationwide, with 209,817 enrolled providers across 56 states and an average of 1,222 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline.
Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist, always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.
Practice Address
Provider Details
| NPI | 1144528209 |
|---|---|
| Specialty | Family Nurse Practitioner |
| Credentials | FNP-BC, PHD |
| Gender | Male |
| NPI Issued | 03/14/2011 |
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
923
Total Claims
$90K
Total Drug Cost
48
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 1,122
- Total Day Supply
- 29,754
- Generic Drug Cost
- $12K
- Opioid Claims
- 100 (10.8% rate)
- Antibiotic Claims
- 42
Patient Demographics
- Average Patient Age
- 59.5 years
- Avg HCC Risk Score
- 1.49
- Gender Split
- 77% female / 23% male
- Age Distribution
- <65: 26, 65-74: 18, 75-84: N/A, 85+: N/A
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Samuel Antwi, FNP-BC, PHD prescribes most
Top Medicare Part D drugs by claim count, 2023
- Oxycodone-Acetamin…
Oxycodone-Acetaminophen
49 claims
- Oxycodone Hcl
Oxycodone Hcl
44 claims
- Amlodipine Besylate
Amlodipine Besylate
43 claims
- Albuterol Sulfate …
Albuterol Sulfate Hfa
42 claims
- Gabapentin
Gabapentin
41 claims
- Nifedipine Er
Nifedipine Er
33 claims
- Prednisone
Prednisone
32 claims
- Metformin Hcl
Metformin Hcl
30 claims
| Drug | Claims |
|---|---|
| Oxycodone-Acetaminophen Oxycodone Hcl/Acetaminophen | 49 |
| Oxycodone Hcl | 44 |
| Amlodipine Besylate | 43 |
| Albuterol Sulfate Hfa Albuterol Sulfate | 42 |
| Gabapentin | 41 |
| Nifedipine Er Nifedipine | 33 |
| Prednisone | 32 |
| Metformin Hcl | 30 |
| Pantoprazole Sodium | 27 |
| Zolpidem Tartrate | 25 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
More Family Nurse Practitioner in DC →
All providers in District of Columbia →
Compare specialties →
Family Nurse Practitioner Overview
How Samuel Antwi, FNP-BC, PHD fits within the Family Nurse Practitioner landscape nationally.
209,817
Family Nurse Practitioner Providers in US
56
States with Family Nurse Practitioner
1,222
Avg Claims per Provider
Samuel Antwi, FNP-BC, PHD's 923 claims are below the specialty average of 1,222.
Nearby Family Nurse Practitioner Providers in District of Columbia
Other clinicians with the same primary specialty enrolled in District of Columbia, drawn from the same CMS NPPES roster as Antwi.
Dr. Ramsey Abaessien
NP
Washington, DC
Dr. Tina Abange
CRNP
Washington, DC
Dr. Aden Abebe
FNP-BC
Washington, DC
Dr. Maria Acquaviva
NURSE PRACTITIONER
Washington, DC
Dr. Sarah Adams
N.P.
Washington, DC
Compare Family Nurse Practitioner nationally: see state-by-state distribution →
Before you book an appointment
Use this federal record as your verification checklist, not as a recommendation.
- Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
- Check the active license and any disciplinary history with the District of Columbia medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Family Nurse Practitioner peer on Medicare volume and prescribing patterns. Compare providers
Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.
Healthcare Guides
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Medical Specialties Explained
Who treats what and how specialties differ
Understanding Medicare Claims Data
What prescribing data reveals about a provider
In-Network vs Out-of-Network
How insurance networks affect your costs
Telehealth Guide
Virtual care options and coverage in 2026
Explore District of Columbia
Frequently Asked Questions
What is Samuel Antwi, FNP-BC, PHD's specialty? ▼
Samuel Antwi, FNP-BC, PHD specializes in Family Nurse Practitioner and practices in Washington, District of Columbia. Credentials: FNP-BC, PHD.
How much does Samuel Antwi, FNP-BC, PHD prescribe under Medicare Part D? ▼
In 2023, Samuel Antwi, FNP-BC, PHD wrote 923 Medicare Part D claims totaling $90K in drug costs for 48 beneficiaries.
Where is Samuel Antwi, FNP-BC, PHD located? ▼
Samuel Antwi, FNP-BC, PHD is located at 1601 18TH ST NW STE 4, Washington, DC, 20009. Phone: (202) 223-0969.
What is Samuel Antwi, FNP-BC, PHD's NPI number? ▼
Samuel Antwi, FNP-BC, PHD's National Provider Identifier (NPI) is 1144528209, issued on 03/14/2011.
Does Samuel Antwi, FNP-BC, PHD prescribe opioids? ▼
Yes, Samuel Antwi, FNP-BC, PHD had 100 opioid claims in 2023 with an opioid prescribing rate of 10.8%.
How many Family Nurse Practitioner providers are there in the US? ▼
There are 209,817 Family Nurse Practitioner providers across 56 states in the US. The average Family Nurse Practitioner provider writes 1,222 Medicare Part D claims per year.
What drugs does Samuel Antwi, FNP-BC, PHD prescribe most often? ▼
Based on 2023 Medicare Part D data, Samuel Antwi, FNP-BC, PHD's most frequently prescribed drugs include Oxycodone-Acetaminophen, Oxycodone Hcl, Amlodipine Besylate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Samuel Antwi, FNP-BC, PHD accept Medicare? ▼
Samuel Antwi, FNP-BC, PHD appears in CMS Medicare data with 923 Part D claims and 48 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Samuel Antwi, FNP-BC, PHD's credentials? ▼
Samuel Antwi, FNP-BC, PHD's NPI is 1144528209 with credentials FNP-BC, PHD. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.
Data Sources
View source datasets and methodology notes
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Prescribing Data
- CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology
Compiled from official public sources by the PlainDoctor editorial team.