NPPES file of Aug 9, 2026

Matthew Gerard Parker, M.D.

Family Medicine Physician · Phoenix, AZ

Matthew Gerard Parker, M.D. is a family medicine physician with a practice address in Phoenix, Arizona, and NPI 1437448453, issued on Mar 30, 2011. Check the license (Arizona 50762, 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
1437448453
Name
Matthew Gerard Parker
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
50762 AZ
MD60394712 WA
Self-reported in NPPES; status is on the state search
Practice location
4212 N 16TH St, Phoenix, AZ 85016
Phone
(602) 263-1200
Enumerated
Mar 30, 2011
Record last updated
Mar 2, 2026
Medicare enrollment
Enrolled (PECOS I20240416002541); accepts Medicare assignment
Medical or professional school
Temple University School Of Medicine, 2011
Telehealth
Offers telehealth (CMS)
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 4212 N 16TH St

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

  1. Andrea Aarseth, RNCritical Care Medicine Registered Nurse1235297292
  2. Deirdre Abellada, RN, PHNRegistered Nurse1710259395
  3. Joby Abraham, RNRegistered Nurse1376814046
  4. Frederick Abramek, MS, PHARMACISTPharmacist1528278736
  5. Karen AcostaRegistered Nurse1659748671
  6. Danton AdairRegistered Nurse1114387917

Verify Matthew Gerard Parker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 50762
    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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20% more Medicare Part D claims than the average family medicine physician in 2024

4,250 Medicare Part D claims for 471 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 91 claims were for opioids.

  1. Matthew Parker4,250
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium256 claims
  2. Amlodipine Besylate155 claims
  3. Lisinopril143 claims
  4. Levothyroxine Sodium127 claims
  5. Albuterol Sulfate Hfa112 claims
  6. Metformin Hcl105 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 2 group practices

  1. Adelante Healthcare, IncSurprise, AZ
  2. Dhew Ind Hlth SV Hlth Svs And Mntl Hlth AdmPhoenix, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Matthew Gerard Parker among 3,119 family medicine physician records in Arizona

Matthew Gerard Parker, M.D. 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 2011, is newer than 64% of them.

  • NPI issued2011 · 64% of these records are older, 33% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2011 · median 2006 among the 1,775 with a school on file
  • Record last updated2026 · 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).

649 family medicine physician records list a practice address in Phoenix

They are 649 of the 31,399 NPPES records with a practice address in Phoenix, and 3,119 family medicine physician records in Arizona.

The 8 family medicine physician records with the nearest ZIP codes

  1. James Bennett, M.D.Phoenix, AZ 850161194708396
  2. Paul Bloomquist, MDPhoenix, AZ 850161730167065
  3. Jacqueline Doris, M.D.Phoenix, AZ 850161922090992
  4. Lawrence Kramer, M.D.Phoenix, AZ 850161952381295
  5. Kathleen North-Wilhelm, M.D.Phoenix, AZ 850161952389017
  6. Heather O'Toole, M.D.Phoenix, AZ 850161992797880
  7. Amy Jo Overlin, M.D.Phoenix, AZ 850161811958101
  8. Judy Pinsonneault, D.O.Phoenix, AZ 850161184627648

Common questions

What is Matthew Gerard Parker, M.D.'s NPI number?

Matthew Gerard Parker, M.D.'s National Provider Identifier (NPI) is 1437448453, issued on Mar 30, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Gerard Parker, M.D. located?

The NPPES record lists a practice address at 4212 N 16TH St, Phoenix, AZ, 85016. Phone: (602) 263-1200. Providers update this record themselves, so call before visiting.

How can I verify Matthew Gerard Parker, M.D.'s license?

NPPES lists Arizona license number 50762, 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 Matthew Gerard Parker, M.D. prescribe under Medicare Part D?

In 2024, Matthew Gerard Parker, M.D. had 4,250 Medicare Part D claims for 471 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.