Douglass Monroe Harmon, DO
Addiction Medicine (Family Medicine) Physician · Washington, PA
Douglass Monroe Harmon, DO is an addiction medicine (family medicine) physician with a practice address in Washington, Pennsylvania, and NPI 1720191919, issued on Aug 15, 2006. Check the license (Pennsylvania OS013439, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Douglass Monroe Harmon
- Credential
- DO
- Primary taxonomy
- Addiction Medicine (Family Medicine) Physician 207QA0401X
- License number
- OS013439 PA
Self-reported in NPPES; status is on the state search - Practice location
- 997 N Main St, Washington, PA 15301
- Phone
- (412) 502-5124
- Enumerated
- Aug 15, 2006
- Record last updated
- Sep 27, 2024
- Fax
- (855) 476-8911
- Entity
- Type 1 · individual
8 nearest addiction medicine (family medicine) physician records → All 40 in Pennsylvania → Look up another NPI →
Also registered at 997 N Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Douglass Monroe Harmon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS013439Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average addiction medicine (family medicine) physician in 2024
274 Medicare Part D claims for 91 beneficiaries, against an average of 664 among the 581 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Buprenorphine Hcl136 claims
- Buprenorphine-Naloxone56 claims
- Cefuroxime13 claims
- Naproxen11 claims
- Ondansetron Odt11 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.
Industry payments in 2024: $185.23
7 payments; by number, the most common kind was food and beverage; the largest payer was Indivior Inc. The 305 providers of this specialty with any payment received $1,151.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Douglass Monroe Harmon among 40 addiction medicine (family medicine) physician records in Pennsylvania
Douglass Monroe Harmon, DO is one of 40 addiction medicine (family medicine) physician records with a practice address in Pennsylvania. 70% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 35% of these records are
- Record last updated2024 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0401X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Medicine (Family Medicine) Physician providers in Pennsylvania
There are 40 addiction medicine (family medicine) physician records in Pennsylvania.
All 40 in Pennsylvania → Every provider in Washington → Addiction Medicine (Family Medicine) Physician nationwide →
The 8 addiction medicine (family medicine) physician records with the nearest ZIP codes
- Russell Adams, D.O.Pittsburgh, PA 152751134191224
- Raissa Berry, D.O.Pittsburgh, PA 152331477175867
- Robert Woolhandler, MDPittsburgh, PA 152171316048093
- Melinda Campopiano, MDPittsburgh, PA 152061164590535
- David Battista, MDSomerset, PA 155011780755710
- Patricia Bonitatibus, MDAliquippa, PA 150011548480585
- Michael Hall, MDDu Bois, PA 158011780688366
- George Lloyd, M.D.Butler, PA 160011164680906
Common questions
What is Douglass Monroe Harmon, DO's NPI number?
Douglass Monroe Harmon, DO's National Provider Identifier (NPI) is 1720191919, issued on Aug 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Douglass Monroe Harmon, DO located?
The NPPES record lists a practice address at 997 N Main St, Washington, PA, 15301. Phone: (412) 502-5124. Providers update this record themselves, so call before visiting.
How can I verify Douglass Monroe Harmon, DO's license?
NPPES lists Pennsylvania license number OS013439, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Douglass Monroe Harmon, DO prescribe under Medicare Part D?
In 2024, Douglass Monroe Harmon, DO had 274 Medicare Part D claims for 91 beneficiaries; the average among addiction medicine (family medicine) physician prescribers was 664. 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.