Justin Ryan Musaffi, D.O
Internal Medicine Physician · Washington, DC
Justin Ryan Musaffi, D.O is an internal medicine physician with a practice address in Washington, District of Columbia, and NPI 1275876625, issued on Apr 4, 2013. Check the license (District of Columbia DO034550, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Justin Ryan Musaffi
- Credential
- D.O
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- DO034550 DC
0102204420 VA
Self-reported in NPPES; status is on the state search - Practice location
- 3800 Reservoir RD NW FL 6, Washington, DC 20007
- Phone
- (202) 444-8168
- Enumerated
- Apr 4, 2013
- Record last updated
- Jul 21, 2022
- Fax
- (877) 303-1460
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 901 in District of Columbia → Look up another NPI →
Verify Justin Ryan Musaffi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license DO034550Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,092 Medicare Part D claims for 188 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 12 claims were for opioids.
Most prescribed
- Atorvastatin Calcium96 claims
- Amlodipine Besylate79 claims
- Gabapentin32 claims
- Losartan Potassium31 claims
- Tamsulosin Hcl28 claims
- Metformin Hcl26 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Justin Ryan Musaffi among 901 internal medicine physician records in District of Columbia
Justin Ryan Musaffi, D.O is one of 901 internal medicine physician records with a practice address in District of Columbia. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 67% of them.
- NPI issued2013 · 67% of these records are older, 30% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X 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).
891 internal medicine physician records list a practice address in Washington
They are 891 of the 45,857 NPPES records with a practice address in Washington, and 901 internal medicine physician records in District of Columbia.
All 901 in District of Columbia → Every provider in Washington → Internal Medicine Physician nationwide →
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Common questions
What is Justin Ryan Musaffi, D.O's NPI number?
Justin Ryan Musaffi, D.O's National Provider Identifier (NPI) is 1275876625, issued on Apr 4, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Justin Ryan Musaffi, D.O located?
The NPPES record lists a practice address at 3800 Reservoir RD NW FL 6, Washington, DC, 20007. Phone: (202) 444-8168. Providers update this record themselves, so call before visiting.
How can I verify Justin Ryan Musaffi, D.O's license?
NPPES lists District of Columbia license number DO034550, 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 Justin Ryan Musaffi, D.O prescribe under Medicare Part D?
In 2024, Justin Ryan Musaffi, D.O had 1,092 Medicare Part D claims for 188 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Justin Ryan Musaffi, D.O's MIPS final score?
The 2023 MIPS final score is 76.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.