NPPES file of Aug 9, 2026

Gregory A. Patchen, DO PC

Family Medicine Physician · Mesa, AZ

Gregory A. Patchen, DO PC is a family medicine physician with a practice address in Mesa, Arizona, and NPI 1215974209, issued on May 31, 2006. Check the license (Arizona AZ2996, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215974209
Name
Gregory A. Patchen
Credential
DO PC
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
AZ2996 AZ
Self-reported in NPPES; status is on the state search
Practice location
2058 S Dobson RD, Mesa, AZ 85202
Phone
(480) 839-5800
Enumerated
May 31, 2006
Record last updated
Feb 6, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(480) 839-5804
Medicare enrollment
Enrolled (PECOS I20051129000057); accepts Medicare assignment
Medical or professional school
College Of Osteo Med Of The Pacific At Pomona, 1987
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2058 S Dobson RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Manfred Ahnen, DCChiropractor1346248184
  2. Douglas Buckley, DDSGeneral Practice Dentistry1750301206
  3. Gloria Chen Kaye, DMDDentist1568678670
  4. Theresa Collins, D.M.D.Dentist1093061202
  5. Filiberto Flores, N.M.D.Naturopath1306038013
  6. Cassandra Fynes, AUD, CCC-AAudiologist-Hearing Aid Fitter1154360048

Verify Gregory A. Patchen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license AZ2996
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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89% fewer Medicare Part D claims than the average family medicine physician in 2024

393 Medicare Part D claims for 49 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Gregory Patchen393
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium42 claims
  2. Metformin Hcl29 claims
  3. Azithromycin25 claims
  4. Xarelto19 claims
  5. Losartan Potassium16 claims
  6. Lorazepam15 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.

Gregory A. Patchen among 3,119 family medicine physician records in Arizona

Gregory A. Patchen, DO PC is one of 3,119 family medicine physician records with a practice address in Arizona. 75% 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 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1987 · median 2006 among the 1,775 with a school on file
  • Record last updated2008 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

194 family medicine physician records list a practice address in Mesa

They are 194 of the 9,151 NPPES records with a practice address in Mesa, and 3,119 family medicine physician records in Arizona.

The 8 family medicine physician records with the nearest ZIP codes

  1. Edward Carrington, M.D.Mesa, AZ 852021093715914
  2. Yadwinder Dhillon, M.D.Mesa, AZ 852021609052430
  3. Annette Lusko, D.OMesa, AZ 852021487918181
  4. Allan Soo, M.D.Mesa, AZ 852021467432245
  5. Warren Tripp, M.D.Mesa, AZ 852021174633234
  6. Kensive Yu-Nguyen, NDMesa, AZ 852021699280594
  7. Robert Babyar, M.D.Mesa, AZ 852011558364646
  8. Maria Castro, MDMesa, AZ 852011811934441

Common questions

What is Gregory A. Patchen, DO PC's NPI number?

Gregory A. Patchen, DO PC's National Provider Identifier (NPI) is 1215974209, issued on May 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory A. Patchen, DO PC located?

The NPPES record lists a practice address at 2058 S Dobson RD, Mesa, AZ, 85202. Phone: (480) 839-5800. Providers update this record themselves, so call before visiting.

How can I verify Gregory A. Patchen, DO PC's license?

NPPES lists Arizona license number AZ2996, 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 Gregory A. Patchen, DO PC prescribe under Medicare Part D?

In 2024, Gregory A. Patchen, DO PC had 393 Medicare Part D claims for 49 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.