NPPES file of Aug 9, 2026

John Westly Hesser, M.D.

Maternal & Fetal Medicine Physician · Tucson, AZ

John Westly Hesser, M.D. is a maternal & fetal medicine physician with a practice address in Tucson, Arizona, and NPI 1114977501, issued on May 10, 2006. Check the license (Arizona 09274, 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
1114977501
Name
John Westly Hesser
Credential
M.D.
Primary taxonomy
Maternal & Fetal Medicine Physician 207VM0101X
License number
09274 AZ
Self-reported in NPPES; status is on the state search
Practice location
5301 E Grant RD, Tucson, AZ 85712
Phone
(520) 325-4651
Enumerated
May 10, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(520) 325-0809
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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Also registered at 5301 E Grant RD

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

  1. Daniel Aaronson, MDInternal Medicine Physician1134865355
  2. Ahmed AbuawadInternal Medicine Physician1326533431
  3. Seyedeh Atiyeh Afjei, MDStudent in an Organized Health Care Education/Training Program1477356160
  4. Chiamaka Agu, PHARMDStudent in an Organized Health Care Education/Training Program1215723820
  5. Edgar Aguayo, MDStudent in an Organized Health Care Education/Training Program1174325245
  6. Rand Al-Ani, MDStudent in an Organized Health Care Education/Training Program1528908928

Verify John Westly Hesser in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 09274
    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

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59% fewer Medicare Part D claims than the average maternal & fetal medicine physician in 2024

17 Medicare Part D claims, against an average of 41 among the 353 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. John Hesser17
  2. Specialty average41

Most prescribed

  1. Metformin Hcl11 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.

John Westly Hesser among 66 maternal & fetal medicine physician records in Arizona

John Westly Hesser, M.D. is one of 66 maternal & fetal medicine physician records with a practice address in Arizona. 80% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 36% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 61% of these records are
  • Record last updated2007 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Maternal & Fetal Medicine Physician providers in Arizona

There are 66 maternal & fetal medicine physician records in Arizona.

The 8 maternal & fetal medicine physician records with the nearest ZIP codes

  1. Mary Connelly, M.D.Tucson, AZ 857121114972783
  2. Christine Farinelli, MDTucson, AZ 857121477714863
  3. Erica Heitmann, MDTucson, AZ 857121497965081
  4. Garry Pohoretsky, M.D.Tucson, AZ 857121740326115
  5. Monique Schoenhage, M.D.Tucson, AZ 857121083794507
  6. Shelly Tien, M.D.Tucson, AZ 857121457500787
  7. Christopher Sullivan, MDTucson, AZ 857101811008253
  8. Francene Gallousis, MDTucson, AZ 857151578558003

Common questions

What is John Westly Hesser, M.D.'s NPI number?

John Westly Hesser, M.D.'s National Provider Identifier (NPI) is 1114977501, issued on May 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Westly Hesser, M.D. located?

The NPPES record lists a practice address at 5301 E Grant RD, Tucson, AZ, 85712. Phone: (520) 325-4651. Providers update this record themselves, so call before visiting.

How can I verify John Westly Hesser, M.D.'s license?

NPPES lists Arizona license number 09274, 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 John Westly Hesser, M.D. prescribe under Medicare Part D?

In 2024, John Westly Hesser, M.D. had 17 Medicare Part D claims; the average among maternal & fetal medicine physician prescribers was 41. 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.