Gray Adair Birch
Psychiatry Physician · Billings, MT
Gray Adair Birch is a psychiatry physician with a practice address in Billings, Montana, and NPI 1770111304, issued on Mar 30, 2020. Check the license (Montana 142679, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Gray Adair Birch
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 142679 MT
Self-reported in NPPES; status is on the state search - Practice location
- 801 N 29TH St, Billings, MT 59101
- Phone
- (206) 543-3750
- Enumerated
- Mar 30, 2020
- Record last updated
- Jun 14, 2024
- Medicare enrollment
- Enrolled (PECOS I20240628000431); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 801 N 29TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kylie Abeson, MD, MPHPediatrics Physician1699334987
- Juan Adams, M.D.Allergy & Immunology Physician1144512096
- Daniel AlmeStudent in an Organized Health Care Education/Training Program1477349165
- Luis Alvarez, MDClinical Cardiac Electrophysiology Physician1417951922
- Annalee Anderson, MA, CCC-SLPSpeech-Language Pathologist1083047088
- Bijan Andrade, DPMFoot & Ankle Surgery Podiatrist1891059556
Verify Gray Adair Birch in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 142679Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average psychiatry physician in 2024
135 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
- Bupropion Xl13 claims
- Clonazepam13 claims
- Venlafaxine Hcl Er11 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.
One hospital affiliation
- Billings ClinicBillings, MT · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
41 psychiatry physician records list a practice address in Billings
They are 41 of the 4,035 NPPES records with a practice address in Billings, and 156 psychiatry physician records in Montana.
All 41 in Billings → All 156 in Montana → Every provider in Billings →
Other psychiatry physician records in Montana
- Nora Abdullah, MDMissoula, MT1295354298
- Graig Aders, M.D.Great Falls, MT1265758734
- Erin Amato, MDBillings, MT1447425178
- Alexis Anderson, D.O.Bozeman, MT1124162177
- Deanna Armstrong, M.D.Helena, MT1003900184
- Eric Arzubi, M.D.Billings, MT1770738353
- Kary Aytes, MDMissoula, MT1831261189
- Mary Bassingthwaighte, MDMissoula, MT1346399912
- Julia Bell, MDHamilton, MT1780664318
- Daniel Bemporad, D.O.Warm Springs, MT1811438120
Common questions
What is Gray Adair Birch's NPI number?
Gray Adair Birch's National Provider Identifier (NPI) is 1770111304, issued on Mar 30, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Gray Adair Birch located?
The NPPES record lists a practice address at 801 N 29TH St, Billings, MT, 59101. Phone: (206) 543-3750. Providers update this record themselves, so call before visiting.
How can I verify Gray Adair Birch's license?
NPPES lists Montana license number 142679, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gray Adair Birch prescribe under Medicare Part D?
In 2024, Gray Adair Birch had 135 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.