Sabah Khalafalla, MD
Rheumatology Physician · Washington, DC
Sabah Khalafalla, MD is a rheumatology physician with a practice address in Washington, District of Columbia, and NPI 1790313385, issued on Mar 30, 2020. Check the license (District of Columbia MD210011745, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Sabah Khalafalla
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- MD210011745 DC
Self-reported in NPPES; status is on the state search - Practice location
- 110 Irving St NW, Washington, DC 20010
- Phone
- (202) 877-0333
- Enumerated
- Mar 30, 2020
- Record last updated
- Aug 5, 2025
- Medicare enrollment
- Enrolled (PECOS I20250819004491); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 57 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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Verify Sabah Khalafalla in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD210011745Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average rheumatology physician in 2024
199 Medicare Part D claims for 58 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Hydroxychloroquine Sulfate35 claims
- Prednisone24 claims
- Methotrexate21 claims
- Colchicine13 claims
- Humira(Cf) Pen13 claims
- Kevzara12 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.
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).
Sabah Khalafalla among 57 rheumatology physician records in District of Columbia
Sabah Khalafalla, MD is one of 57 rheumatology physician records with a practice address in District of Columbia. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 96% of them.
- NPI issued2020 · 96% of these records are older, 0% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2016 · median 2006 among the 29 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X 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).
Rheumatology Physician providers in District of Columbia
There are 57 rheumatology physician records in District of Columbia.
All 57 in District of Columbia → Every provider in Washington → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Amarah Baluch, MDWashington, DC 200101538786363
- Michael Belsky, M.D.Washington, DC 200101114347788
- Rajkumari Bhagati, MDWashington, DC 200101699822197
- Robert Bunning, M.D.Washington, DC 200101295741031
- Christopher Collins, MDWashington, DC 200101093872343
- Florina Constantinescu, M.D.Washington, DC 200101780696195
- Akrithi Garren, MDWashington, DC 200101407219884
- Anastasia Markopoulou, M.DWashington, DC 200101568627669
Common questions
What is Sabah Khalafalla, MD's NPI number?
Sabah Khalafalla, MD's National Provider Identifier (NPI) is 1790313385, issued on Mar 30, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Sabah Khalafalla, MD located?
The NPPES record lists a practice address at 110 Irving St NW, Washington, DC, 20010. Phone: (202) 877-0333. Providers update this record themselves, so call before visiting.
How can I verify Sabah Khalafalla, MD's license?
NPPES lists District of Columbia license number MD210011745, 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 Sabah Khalafalla, MD prescribe under Medicare Part D?
In 2024, Sabah Khalafalla, MD had 199 Medicare Part D claims for 58 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.