Mary Ellen Coy, M.D.
Psychiatry Physician · Flagstaff, AZ
Mary Ellen Coy, M.D. is a psychiatry physician with a practice address in Flagstaff, Arizona, and NPI 1629122510, issued on Jan 22, 2007. Check the license (Arizona 36101, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mary Ellen Coy
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 36101 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 405 N Beaver St, Flagstaff, AZ 86001
- Phone
- (928) 226-7692
- Enumerated
- Jan 22, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 942 in Arizona → Look up another NPI →
Also registered at 405 N Beaver St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Helaman GarciaClinical Social Worker1093441354
- Deborah Gutierrez, HISHearing Instrument Specialist1689121600
- Jocelyn James, LMSWClinical Social Worker1093601007
- Abigail LundMental Health Counselor1346916970
- Andrea Murphy, HISHearing Instrument Specialist1750795316
Verify Mary Ellen Coy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 36101Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average psychiatry physician in 2024
92 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 0% of claims.
Most prescribed
- Escitalopram Oxalate18 claims
- Fluoxetine Hcl18 claims
- Clonazepam12 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: $23.70
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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.
Mary Ellen Coy among 942 psychiatry physician records in Arizona
Mary Ellen Coy, M.D. is one of 942 psychiatry physician records with a practice address in Arizona. 67% 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 39% of them.
- NPI issued2007 · 39% of these records are older, 48% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 41% of these records are
- Record last updated2007 · 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Arizona
There are 942 psychiatry physician records in Arizona.
All 942 in Arizona → Every provider in Flagstaff → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Heather Boyle, M.D.Flagstaff, AZ 860011417127564
- Mary Delduca, MDFlagstaff, AZ 860011104883172
- Harold Figueroa, MDFlagstaff, AZ 860011396703047
- Judith Freilich, M.D.Flagstaff, AZ 860011871735027
- Thomas Gaughan, MDFlagstaff, AZ 860011043278799
- Sara Gibson, MDFlagstaff, AZ 860011104814524
- Adam Graff, M.D.Flagstaff, AZ 860011073787156
- Ann Hammon, MDFlagstaff, AZ 860011831228774
Common questions
What is Mary Ellen Coy, M.D.'s NPI number?
Mary Ellen Coy, M.D.'s National Provider Identifier (NPI) is 1629122510, issued on Jan 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ellen Coy, M.D. located?
The NPPES record lists a practice address at 405 N Beaver St, Flagstaff, AZ, 86001. Phone: (928) 226-7692. Providers update this record themselves, so call before visiting.
How can I verify Mary Ellen Coy, M.D.'s license?
NPPES lists Arizona license number 36101, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary Ellen Coy, M.D. prescribe under Medicare Part D?
In 2024, Mary Ellen Coy, M.D. had 92 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.