Gareen Hamalian, M.D.
Psychiatry Physician · Denver, CO
Gareen Hamalian, M.D. is a psychiatry physician with a practice address in Denver, Colorado, and NPI 1518163815, issued on Jun 23, 2007. Check the license (Colorado 51135, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gareen Hamalian
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 51135 CO
MED-PHYS-LIC-52052 MT
25MA09909900 NJ
250001 NY
60657389 WA
Self-reported in NPPES; status is on the state search - Practice location
- 777 Bannock St # MC0490, Denver, CO 80204
- Phone
- (303) 602-6980
- Enumerated
- Jun 23, 2007
- Record last updated
- Sep 7, 2022
- Medicare enrollment
- Enrolled (PECOS I20251119004380); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2007
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 990 in Colorado → Look up another NPI →
Verify Gareen Hamalian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 51135Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Physician Affiliate Group OF New York PCBronx, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gareen Hamalian among 990 psychiatry physician records in Colorado
Gareen Hamalian, M.D. is one of 990 psychiatry physician records with a practice address in Colorado. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 38% of them.
- NPI issued2007 · 38% of these records are older, 42% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 35% of these records are
- Graduated2007 · median 2009 among the 351 with a school on file
- Record last updated2022 · 55% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
291 psychiatry physician records list a practice address in Denver
They are 291 of the 25,068 NPPES records with a practice address in Denver, and 990 psychiatry physician records in Colorado.
All 990 in Colorado → Every provider in Denver → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Marla Barnes, MDDenver, CO 802041710997275
- James Bartsch, PHDDenver, CO 802041487673166
- Elizabeth Cookson, M.D.Denver, CO 802041508866831
- Lisa Darton, MDDenver, CO 802041780605691
- Justin Hauxwell, MDDenver, CO 802041255542569
- Roger Helfrich, MDDenver, CO 802041346353448
- John Holland, M.D.Denver, CO 802041821088071
- Douglas Ikelheimer, MDDenver, CO 802041508979519
Common questions
What is Gareen Hamalian, M.D.'s NPI number?
Gareen Hamalian, M.D.'s National Provider Identifier (NPI) is 1518163815, issued on Jun 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gareen Hamalian, M.D. located?
The NPPES record lists a practice address at 777 Bannock St # MC0490, Denver, CO, 80204. Phone: (303) 602-6980. Providers update this record themselves, so call before visiting.
How can I verify Gareen Hamalian, M.D.'s license?
NPPES lists Colorado license number 51135, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.