NPPES file of Aug 9, 2026

Gregory Carl Martin, M.D.

Neonatal-Perinatal Medicine Physician · Gilbert, AZ

Gregory Carl Martin, M.D. is a neonatal-perinatal medicine physician with a practice address in Gilbert, Arizona, and NPI 1184674053, issued on May 11, 2006. Check the license (Arizona 37229, 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
1184674053
Name
Gregory Carl Martin
Credential
M.D.
Primary taxonomy
Neonatal-Perinatal Medicine Physician 2080N0001X
License number
37229 AZ
Self-reported in NPPES; status is on the state search
Practice location
3420 S Mercy RD Ste 205, Gilbert, AZ 85297
Phone
(602) 933-6345
Enumerated
May 11, 2006
Record last updated
Apr 1, 2026
Fax
(602) 933-8975
Medicaid ID
859671 AZ
Medicare enrollment
Enrolled (PECOS I20260421001157); may accept Medicare assignment
Medical or professional school
New York University School Of Medicine, 1998
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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8 nearest neonatal-perinatal medicine physician records → All 86 in Arizona → Look up another NPI →

Also registered at 3420 S Mercy RD Ste 205

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

  1. David BennettPediatric Orthopaedic Surgery Physician1306076294
  2. Kevin Ellsworth, M.D.Neonatal-Perinatal Medicine Physician1255607263
  3. Marc Ellsworth, MDNeonatal-Perinatal Medicine Physician1609171115
  4. Amy Norton, DPTPhysical Therapist1245431329

Verify Gregory Carl Martin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 37229    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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Gregory Carl Martin among 86 neonatal-perinatal medicine physician records in Arizona

Gregory Carl Martin, M.D. is one of 86 neonatal-perinatal medicine physician records with a practice address in Arizona. 22% 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 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 60% newer
  • In a Medicare fileNo · 22% of these records are
  • In the CMS Doctors and Clinicians fileYes · 15% of these records are
  • Graduated1998 · median 1998 among the 13 with a school on file
  • Record last updated2026 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080N0001X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neonatal-Perinatal Medicine Physician providers in Arizona

There are 86 neonatal-perinatal medicine physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 86 in Arizona → Every provider in Gilbert → Neonatal-Perinatal Medicine Physician nationwide →

The 8 neonatal-perinatal medicine physician records with the nearest ZIP codes

  1. Marc Ellsworth, MDGilbert, AZ 852971609171115
  2. Kevin Ellsworth, M.D.Gilbert, AZ 852971255607263
  3. Pamela Griffiths, M.D.Gilbert, AZ 852971003011370
  4. Carlos Ramos, M.D.Glendale, AZ 853061205047545
  5. Erin Tkach, MDGlendale, AZ 853061497045769
  6. Lara Ulm, M.D.Scottsdale, AZ 852591598928780
  7. Daniel Calabrese, MDSan Luis, AZ 853491881889103
  8. Andrea Hobson, MDMesa, AZ 852041629226790

Common questions

What is Gregory Carl Martin, M.D.'s NPI number?

Gregory Carl Martin, M.D.'s National Provider Identifier (NPI) is 1184674053, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Carl Martin, M.D. located?

The NPPES record lists a practice address at 3420 S Mercy RD Ste 205, Gilbert, AZ, 85297. Phone: (602) 933-6345. Providers update this record themselves, so call before visiting.

How can I verify Gregory Carl Martin, M.D.'s license?

NPPES lists Arizona license number 37229, 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.