Nikiya O. Asamoah-Clark, M.D.
Gastroenterology Physician · Washington, DC
Nikiya O. Asamoah-Clark, M.D. is a gastroenterology physician with a practice address in Washington, District of Columbia, and NPI 1336464478, issued on Apr 1, 2010. Check the license (District of Columbia MD210001577, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Nikiya O. Asamoah-Clark
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- MD210001577 DC
036135318 IL
Self-reported in NPPES; status is on the state search - Practice location
- 110 Irving St NW, Washington, DC 20010
- Phone
- (202) 877-7108
- Enumerated
- Apr 1, 2010
- Record last updated
- Sep 15, 2023
- Fax
- (202) 877-3062
- Medicare enrollment
- Enrolled (PECOS I20220112001112); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 89 in District of Columbia → Look up another NPI →
Also registered at 110 Irving St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Samer Abdel Al, MDOrthopaedic Surgery Physician1558778548
Verify Nikiya O. Asamoah-Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD210001577Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average gastroenterology physician in 2024
332 Medicare Part D claims for 134 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Linzess37 claims
- Gavilyte-G34 claims
- Pantoprazole Sodium31 claims
- Sod Sulf-Potass Sulf-Mag Sulf23 claims
- Famotidine22 claims
- Omeprazole20 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $6,675.70
12 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Scientific Affairs, LLC. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Medstar Medical Group II LLCWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nikiya O. Asamoah-Clark among 89 gastroenterology physician records in District of Columbia
Nikiya O. Asamoah-Clark, M.D. is one of 89 gastroenterology physician records with a practice address in District of Columbia. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 69% of them.
- NPI issued2010 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2010 · median 2004 among the 57 with a school on file
- Record last updated2023 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in District of Columbia
There are 89 gastroenterology physician records in District of Columbia.
All 89 in District of Columbia → Every provider in Washington → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Ghassan Alzayer, MDWashington, DC 200101396144804
- Roshan Bashir, M.D.Washington, DC 200101104838515
- Michele Fischer, MDWashington, DC 200101063975118
- Lauren George, M.D.Washington, DC 200101023384948
- Michael Gold, MDWashington, DC 200101710938253
- Javad Khalilzadeh, MDWashington, DC 200101376528026
- Timothy Koch, M.D.Washington, DC 200101104801729
- Susan Laessig, MDWashington, DC 200101073525465
Common questions
What is Nikiya O. Asamoah-Clark, M.D.'s NPI number?
Nikiya O. Asamoah-Clark, M.D.'s National Provider Identifier (NPI) is 1336464478, issued on Apr 1, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Nikiya O. Asamoah-Clark, M.D. located?
The NPPES record lists a practice address at 110 Irving St NW, Washington, DC, 20010. Phone: (202) 877-7108. Providers update this record themselves, so call before visiting.
How can I verify Nikiya O. Asamoah-Clark, M.D.'s license?
NPPES lists District of Columbia license number MD210001577, as entered by the provider. Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nikiya O. Asamoah-Clark, M.D. prescribe under Medicare Part D?
In 2024, Nikiya O. Asamoah-Clark, M.D. had 332 Medicare Part D claims for 134 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.