Ronald L. Harmon, MD
Psychiatry Physician · Washington, DC
Ronald L. Harmon, MD is a psychiatry physician with a practice address in Washington, District of Columbia, and NPI 1598740888, issued on Dec 9, 2005. Check the license (District of Columbia MD12991, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Ronald L. Harmon
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- MD12991 DC
D0032257 MD
Self-reported in NPPES; status is on the state search - Practice location
- 4600 Connecticut Ave NW, Washington, DC 20008
- Phone
- (202) 362-2212
- Enumerated
- Dec 9, 2005
- Record last updated
- Sep 22, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (202) 248-0634
- Medicare enrollment
- Enrolled (PECOS I20111114000064); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 1975
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 474 in District of Columbia → Look up another NPI →
Also registered at 4600 Connecticut Ave NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrea Fisher, PSY.D.Clinical Psychologist1336284496
- Deborah Fox, MSWClinical Social Worker1326283185
- Martha Gross, PHDPsychologist1871748061
- Michael Landy, D.D.S., F.A.G.D.Dentist1225129224
- Prabhavathi Rao, MDNeurology Physician1437349412
- Margaret Stohner, LICSWClinical Social Worker1447306691
Verify Ronald L. Harmon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD12991Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average psychiatry physician in 2024
80 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Clonazepam25 claims
- Bupropion Xl15 claims
- Trazodone Hcl11 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.
Ronald L. Harmon among 474 psychiatry physician records in District of Columbia
Ronald L. Harmon, MD is one of 474 psychiatry physician records with a practice address in District of Columbia. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileYes · 26% of these records are
- Graduated1975 · median 2005 among the 124 with a school on file
- Record last updated2011 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X 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).
467 psychiatry physician records list a practice address in Washington
They are 467 of the 45,857 NPPES records with a practice address in Washington, and 474 psychiatry physician records in District of Columbia.
All 474 in District of Columbia → Every provider in Washington → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Howard Benensohn, MDWashington, DC 200081437150521
- Wayne Blackmon, MDWashington, DC 200081972688729
- Jessica Brown, M.D.Washington, DC 200081215061460
- Martin Ceaser, M.DWashington, DC 200081366543274
- Ira Dosovitz, M.D.Washington, DC 200081053514125
- Utkarsh Joshi, M.D.Washington, DC 200081376643924
- George Kolodner, MDWashington, DC 200081255330411
- Hallie Lightdale, M.D.Washington, DC 200081922083682
Common questions
What is Ronald L. Harmon, MD's NPI number?
Ronald L. Harmon, MD's National Provider Identifier (NPI) is 1598740888, issued on Dec 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ronald L. Harmon, MD located?
The NPPES record lists a practice address at 4600 Connecticut Ave NW, Washington, DC, 20008. Phone: (202) 362-2212. Providers update this record themselves, so call before visiting.
How can I verify Ronald L. Harmon, MD's license?
NPPES lists District of Columbia license number MD12991, 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 Ronald L. Harmon, MD prescribe under Medicare Part D?
In 2024, Ronald L. Harmon, MD had 80 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.