NPPES file of Aug 9, 2026

Scott Alan Hamstra, M.D.

Pediatrics Physician · Tucson, AZ

Scott Alan Hamstra, M.D. is a pediatrics physician with a practice address in Tucson, Arizona, and NPI 1356421382, issued on Oct 16, 2006. Check the license 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
1356421382
Name
Scott Alan Hamstra
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
G58487 CA
Self-reported in NPPES; status is on the state search
Practice location
7900 S J Stock RD, Tucson, AZ 85746
Phone
(520) 295-2503
Enumerated
Oct 16, 2006
Record last updated
Feb 9, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(520) 295-2676
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 pediatrics physician records → All 1,309 in Arizona → Look up another NPI →

Also registered at 7900 S J Stock RD

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

  1. Ruben Acuna, DDSPediatric Dentistry1972682813
  2. Stacie Addison, R.N.Registered Nurse1770741316
  3. Albert Adler, M.D.Pediatrics Physician1891875407
  4. Joy Alden, LCSWClinical Social Worker1154401776
  5. Joseph Allen, PHARM DPharmacist1376870089
  6. Christian Alvarez, O.D.Optometrist1851726905

Verify Scott Alan Hamstra in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical BoardCheck 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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Scott Alan Hamstra among 1,309 pediatrics physician records in Arizona

Scott Alan Hamstra, M.D. is one of 1,309 pediatrics physician records with a practice address in Arizona. 41% 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 14% of them.

  • NPI issued2006 · 14% of these records are older, 53% newer
  • In a Medicare fileNo · 41% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2011 · 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 208000000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

292 pediatrics physician records list a practice address in Tucson

They are 292 of the 18,788 NPPES records with a practice address in Tucson, and 1,309 pediatrics physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,309 in Arizona → Every provider in Tucson → Pediatrics Physician nationwide →

The 8 pediatrics physician records with the nearest ZIP codes

  1. Albert Adler, M.D.Tucson, AZ 857461891875407
  2. Soungwon Bae, DOTucson, AZ 857461922090513
  3. Georgina Krizsa, MDTucson, AZ 857461770541443
  4. Sharon Levin, M.D.Tucson, AZ 857461982784013
  5. Duane May, M.D.Tucson, AZ 857461609956788
  6. Susan McMahon, MDTucson, AZ 857461669455507
  7. Rajiv Modak, MDTucson, AZ 857461124002324
  8. Patrick O'Connor, MDTucson, AZ 857461679507198

Common questions

What is Scott Alan Hamstra, M.D.'s NPI number?

Scott Alan Hamstra, M.D.'s National Provider Identifier (NPI) is 1356421382, issued on Oct 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Scott Alan Hamstra, M.D. located?

The NPPES record lists a practice address at 7900 S J Stock RD, Tucson, AZ, 85746. Phone: (520) 295-2503. Providers update this record themselves, so call before visiting.

How can I verify Scott Alan Hamstra, M.D.'s license?

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.