John Richard Melnick, M. D.
Internal Medicine Physician · Gaithersburg, MD
John Richard Melnick, M. D. is an internal medicine physician with a practice address in Gaithersburg, Maryland, and NPI 1679654651, issued on Oct 18, 2006. Check the license (Maryland D0019294, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- John Richard Melnick
- Credential
- M. D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D0019294 MD
Self-reported in NPPES; status is on the state search - Practice location
- 911 Russell Ave, Gaithersburg, MD 20879
- Phone
- (301) 258-0944
- Enumerated
- Oct 18, 2006
- Record last updated
- Mar 3, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (301) 258-8804
- Medicare enrollment
- Enrolled (PECOS I20080107000844); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1971
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Verify John Richard Melnick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0019294Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% more Medicare Part D claims than the average internal medicine physician in 2024
5,454 Medicare Part D claims for 241 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 142 claims were for opioids.
Most prescribed
- Losartan Potassium243 claims
- Rosuvastatin Calcium204 claims
- Metoprolol Succinate202 claims
- Atorvastatin Calcium196 claims
- Furosemide178 claims
- Amlodipine Besylate167 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
- 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 Richard Melnick among 3,904 internal medicine physician records in Maryland
John Richard Melnick, M. D. is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1971 · median 2003 among the 2,445 with a school on file
- Record last updated2008 · 59% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
67 internal medicine physician records list a practice address in Gaithersburg
They are 67 of the 2,580 NPPES records with a practice address in Gaithersburg, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Gaithersburg → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Julie Chen, M.D.Gaithersburg, MD 208791629048467
- Jose De Leon Carpio, MDGaithersburg, MD 208791275682320
- Lingling Gao, D.O.Gaithersburg, MD 208791285959932
- Jean Hou, MDGaithersburg, MD 208791750442273
- Shailini Jain, MDGaithersburg, MD 208791588711022
- Supriya Janakiraman, M.D., M.P.H.Gaithersburg, MD 208791114361672
- Poonam Maru, DO, FACPGaithersburg, MD 208791780974329
- Joseph McClain, M.D.Gaithersburg, MD 208791194968297
Common questions
What is John Richard Melnick, M. D.'s NPI number?
John Richard Melnick, M. D.'s National Provider Identifier (NPI) is 1679654651, issued on Oct 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Richard Melnick, M. D. located?
The NPPES record lists a practice address at 911 Russell Ave, Gaithersburg, MD, 20879. Phone: (301) 258-0944. Providers update this record themselves, so call before visiting.
How can I verify John Richard Melnick, M. D.'s license?
NPPES lists Maryland license number D0019294, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Richard Melnick, M. D. prescribe under Medicare Part D?
In 2024, John Richard Melnick, M. D. had 5,454 Medicare Part D claims for 241 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.