NPPES file of Aug 9, 2026

Michael Patrick Oconnor, M.D.

Internal Medicine Physician · San Tan Valley, AZ

Michael Patrick Oconnor, M.D. is an internal medicine physician with a practice address in San Tan Valley, Arizona, and NPI 1851569578, issued on Feb 15, 2008. Check the license (Arizona 15562, as entered in NPPES) on the Arizona Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1851569578
Name
Michael Patrick Oconnor
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
15562 AZ
Self-reported in NPPES; status is on the state search
Practice location
37000 N Gantzel RD, San Tan Valley, AZ 85140
Phone
(480) 543-2034
Enumerated
Feb 15, 2008
Record last updated
Dec 27, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(480) 543-2647
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →

Also registered at 37000 N Gantzel RD

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

  1. Duane Crist, M.D.Emergency Medicine Physician1740217264
  2. Ross Dechant, M.D.Emergency Medicine Physician1356799811
  3. Shane Elton, DOEmergency Medicine Physician1306297643
  4. Joel Goldstone, MDInternal Medicine Physician1891744231
  5. Rahul Kumar, MD, MBBSInternal Medicine Physician1497910186
  6. Nathan Linstrom, MDDiagnostic Radiology Physician1689848590

Verify Michael Patrick Oconnor in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 15562    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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Michael Patrick Oconnor among 2,853 internal medicine physician records in Arizona

Michael Patrick Oconnor, M.D. is one of 2,853 internal 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 not. Its NPI, issued in 2008, is newer than 53% of them.

  • NPI issued2008 · 53% of these records are older, 43% newer
  • In a Medicare fileNo · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2010 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

6 internal medicine physician records list a practice address in San Tan Valley

They are 6 of the 505 NPPES records with a practice address in San Tan Valley, and 2,853 internal medicine physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,853 in Arizona → Every provider in San Tan Valley → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Joel Goldstone, MDSan Tan Valley, AZ 851401891744231
  2. Rahul Kumar, MD, MBBSSan Tan Valley, AZ 851401497910186
  3. Mario Skobic, MDSan Tan Valley, AZ 851401609858851
  4. Shanaya Suchak, D.OSan Tan Valley, AZ 851401316367121
  5. Christopher Biggs, DOQueen Creek, AZ 851421134862600
  6. Philip Bryson, MDQueen Creek, AZ 851421366816175
  7. Jiaxi Dong, DOMaricopa, AZ 851381801359385
  8. Scott Finkbeiner, MDQueen Creek, AZ 851421871566455

Common questions

What is Michael Patrick Oconnor, M.D.'s NPI number?

Michael Patrick Oconnor, M.D.'s National Provider Identifier (NPI) is 1851569578, issued on Feb 15, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Michael Patrick Oconnor, M.D. located?

The NPPES record lists a practice address at 37000 N Gantzel RD, San Tan Valley, AZ, 85140. Phone: (480) 543-2034. Providers update this record themselves, so call before visiting.

How can I verify Michael Patrick Oconnor, M.D.'s license?

NPPES lists Arizona license number 15562, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.