Douglas Johnston, MD
Psychiatry Physician · Portland, ME
Douglas Johnston, MD is a psychiatry physician with a practice address in Portland, Maine, and NPI 1225665326, issued on Mar 26, 2020. Check the license (Maine MD27615, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Douglas Johnston
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- MD27615 ME
Self-reported in NPPES; status is on the state search - Practice location
- 216 Vaughan St, Portland, ME 04102
- Phone
- (207) 662-2221
- Enumerated
- Mar 26, 2020
- Record last updated
- Jun 12, 2024
- Fax
- (207) 810-2367
- Medicare enrollment
- Enrolled (PECOS I20240807001945); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 326 in Maine → Look up another NPI →
Also registered at 216 Vaughan St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Merelise Ametti, PHDPsychologist1366228660
- Wayne Bachner, LCSWSocial Worker1114037652
- Leah Bauer, MDPsychiatry Physician1841427671
- Cora Boone, LCSWSocial Worker1447946959
- Cindy Boyack, MDPsychiatry Physician1558470781
- Brad ClarkClinical Social Worker1811677172
Verify Douglas Johnston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD27615Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average psychiatry physician in 2024
327 Medicare Part D claims for 31 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Sertraline Hcl41 claims
- Olanzapine30 claims
- Venlafaxine Hcl Er23 claims
- Quetiapine Fumarate21 claims
- Clozapine18 claims
- Clonidine Hcl17 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
- MainehealthPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Douglas Johnston among 326 psychiatry physician records in Maine
Douglas Johnston, MD is one of 326 psychiatry physician records with a practice address in Maine. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 93% of them.
- NPI issued2020 · 93% of these records are older, 5% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated2020 · median 2003 among the 142 with a school on file
- Record last updated2024 · 66% 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 Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
93 psychiatry physician records list a practice address in Portland
They are 93 of the 6,022 NPPES records with a practice address in Portland, and 326 psychiatry physician records in Maine.
All 326 in Maine → Every provider in Portland → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Cindy Boyack, MDPortland, ME 041021558470781
- Benjamin Crocker, MDPortland, ME 041021841297009
- Glenn Currier, MDPortland, ME 041021194753012
- Linda Durst, MDPortland, ME 041021396718540
- Gerald FlorezaPortland, ME 041021740399641
- Michael Garnett, MDPortland, ME 041021528172699
- Rosalind Gold, MDPortland, ME 041021902816291
- George McNeil, MDPortland, ME 041021376553552
Common questions
What is Douglas Johnston, MD's NPI number?
Douglas Johnston, MD's National Provider Identifier (NPI) is 1225665326, issued on Mar 26, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Johnston, MD located?
The NPPES record lists a practice address at 216 Vaughan St, Portland, ME, 04102. Phone: (207) 662-2221. Providers update this record themselves, so call before visiting.
How can I verify Douglas Johnston, MD's license?
NPPES lists Maine license number MD27615, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Douglas Johnston, MD prescribe under Medicare Part D?
In 2024, Douglas Johnston, MD had 327 Medicare Part D claims for 31 beneficiaries; 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.