John Zachary Hughes, M.D./MPH
Internal Medicine Physician · Washington, DC
John Zachary Hughes, M.D./MPH is an internal medicine physician with a practice address in Washington, District of Columbia, and NPI 1194256297, issued on Mar 21, 2017. Check the license (District of Columbia MD048395, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- John Zachary Hughes
- Credential
- M.D./MPH
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD048395 DC
Self-reported in NPPES; status is on the state search - Practice location
- 5215 Loughboro RD NW, Washington, DC 20016
- Phone
- (202) 537-4400
- Enumerated
- Mar 21, 2017
- Record last updated
- Sep 3, 2025
- Medicare enrollment
- Enrolled (PECOS I20200909001321); accepts Medicare assignment
- Medical or professional school
- Drexel University College Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 901 in District of Columbia → Look up another NPI →
Also registered at 5215 Loughboro RD NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Catherine Bishop, DNP, N.P.Family Nurse Practitioner1457550444
- Robert Blee, MDInternal Medicine Physician1730193301
- Nanak ChughNeurology Physician1184004046
- Nancy Davenport, MD, PHD, FACCInterventional Cardiology Physician1588610265
Verify John Zachary Hughes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD048395Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% more Medicare Part D claims than the average internal medicine physician in 2024
3,903 Medicare Part D claims for 463 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 42 claims were for opioids.
Most prescribed
- Atorvastatin Calcium408 claims
- Amlodipine Besylate230 claims
- Losartan Potassium195 claims
- Rosuvastatin Calcium145 claims
- Levothyroxine Sodium113 claims
- Lisinopril102 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): 86.8 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).
Bills Medicare through 2 group practices
- Johns Hopkins Community Physicians, IncLaurel, MD
- Suburban/nrh Medical Rehabilitation IncBethesda, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Zachary Hughes among 901 internal medicine physician records in District of Columbia
John Zachary Hughes, M.D./MPH 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 2017, is newer than 79% of them.
- NPI issued2017 · 79% of these records are older, 19% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2017 · median 2008 among the 513 with a school on file
- Record last updated2025 · 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 →
The 8 internal medicine physician records with the nearest ZIP codes
- Anjula Agrawal, MDWashington, DC 200161023026036
- Robert Blee, MDWashington, DC 200161730193301
- Alexander Chester, M.D.Washington, DC 200161518989821
- John Dooley, MDWashington, DC 200161467431155
- Christopher Duke, M.D.Washington, DC 200161942225396
- Helene Freeman, M.D.Washington, DC 200161952310203
- Dawnielle Kilby-Robb, MDWashington, DC 200161265544613
- Michael Lee, MDWashington, DC 200161295734234
Common questions
What is John Zachary Hughes, M.D./MPH's NPI number?
John Zachary Hughes, M.D./MPH's National Provider Identifier (NPI) is 1194256297, issued on Mar 21, 2017. An NPI identifies a provider in billing; it is not a license.
Where is John Zachary Hughes, M.D./MPH located?
The NPPES record lists a practice address at 5215 Loughboro RD NW, Washington, DC, 20016. Phone: (202) 537-4400. Providers update this record themselves, so call before visiting.
How can I verify John Zachary Hughes, M.D./MPH's license?
NPPES lists District of Columbia license number MD048395, 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 John Zachary Hughes, M.D./MPH prescribe under Medicare Part D?
In 2024, John Zachary Hughes, M.D./MPH had 3,903 Medicare Part D claims for 463 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is John Zachary Hughes, M.D./MPH's MIPS final score?
The 2023 MIPS final score is 86.8 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.