NPPES file of Aug 9, 2026

Ernesto Luis Arostegui Fernandez, MD

Obstetrics & Gynecology Physician · Phoenix, AZ

Ernesto Luis Arostegui Fernandez, MD is an obstetrics & gynecology physician with a practice address in Phoenix, Arizona, and NPI 1184283160, issued on Jun 12, 2019. Check the license (Arizona 73132, 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
1184283160
Name
Ernesto Luis Arostegui Fernandez
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
73132 AZ
Self-reported in NPPES; status is on the state search
Practice location
8410 W Thomas RD Ste 134, Phoenix, AZ 85037
Phone
(480) 821-3600
Enumerated
Jun 12, 2019
Record last updated
Jul 10, 2024
Fax
(804) 821-3628
Medicare enrollment
Enrolled (PECOS I20240830002991); accepts Medicare assignment
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 8410 W Thomas RD Ste 134

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

  1. Oluwatoyosi Adeoye, MDObstetrics & Gynecology Physician1316679921
  2. Hannah AlvarezMedical Physician Assistant1295426179
  3. Kalla Carlton, CNMAdvanced Practice Midwife1053840595
  4. Rachel Cushman, PA-CPhysician Assistant1164994455
  5. Alison Gambou, DOObstetrics & Gynecology Physician1902467830
  6. Kelly HosnerMidwife1083221824

Verify Ernesto Luis Arostegui Fernandez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 73132
    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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93% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

12 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Ernesto Arostegui Fernandez12
  2. Specialty average165

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 one group practice

  1. Momdoc LLCPhoenix, AZ

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

Ernesto Luis Arostegui Fernandez among 803 obstetrics & gynecology physician records in Arizona

Ernesto Luis Arostegui Fernandez, MD is one of 803 obstetrics & gynecology physician records with a practice address in Arizona. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 89% of them.

  • NPI issued2019 · 89% of these records are older, 9% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2013 · median 2005 among the 477 with a school on file
  • Record last updated2024 · 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 207V00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Arizona

There are 803 obstetrics & gynecology physician records in Arizona.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Lorenzo Boyce, MDPhoenix, AZ 850371194745547
  2. Katie Campuzano, M.D.Phoenix, AZ 850371144228420
  3. Fredrick Fingerhut, M.D.Phoenix, AZ 850371124007752
  4. Shefali Gandhi-List, M.D.Phoenix, AZ 850371063446656
  5. Galen Johnson, M.D.Phoenix, AZ 850371528047214
  6. Janice Labranche, MDPhoenix, AZ 850371821161068
  7. Erin O'Sullivan, MDPhoenix, AZ 850371336133511
  8. Richard Ohanesian, MDPhoenix, AZ 850371699773978

Common questions

What is Ernesto Luis Arostegui Fernandez, MD's NPI number?

Ernesto Luis Arostegui Fernandez, MD's National Provider Identifier (NPI) is 1184283160, issued on Jun 12, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Ernesto Luis Arostegui Fernandez, MD located?

The NPPES record lists a practice address at 8410 W Thomas RD Ste 134, Phoenix, AZ, 85037. Phone: (480) 821-3600. Providers update this record themselves, so call before visiting.

How can I verify Ernesto Luis Arostegui Fernandez, MD's license?

NPPES lists Arizona license number 73132, 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 Ernesto Luis Arostegui Fernandez, MD prescribe under Medicare Part D?

In 2024, Ernesto Luis Arostegui Fernandez, MD had 12 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. 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.