NPPES file of Aug 9, 2026

Naomasa Hase, DO

Obstetrics & Gynecology Physician · Prescott Valley, AZ

Naomasa Hase, DO is an obstetrics & gynecology physician with a practice address in Prescott Valley, Arizona, and NPI 1841610961, issued on Apr 17, 2014. Check the license (Arizona 009305, 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
1841610961
Name
Naomasa Hase
Credential
DO
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
009305 AZ
89751 GA
036.146733 IL
T3632 TX
OP61416149 WA
Self-reported in NPPES; status is on the state search
Practice location
7700 E Florentine RD, Prescott Valley, AZ 86314
Phone
(928) 445-2700
Enumerated
Apr 17, 2014
Record last updated
Jul 17, 2025
Medicaid IDs
100156 AZ
2241140 WA
Medicare enrollment
Enrolled (PECOS I20260608001102); may accept Medicare assignment
Medical or professional school
Nova Southeastern College Of Osteo Medicine, 2014
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 obstetrics & gynecology physician records → All 803 in Arizona → Look up another NPI →

Also registered at 7700 E Florentine RD

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

  1. Klaus Appel, DOFamily Medicine Physician1386725208
  2. Megan Eppens, FNP-BCFamily Nurse Practitioner1316243447
  3. Nanci Fischer, RN, BSNRegistered Nurse1033446893
  4. Sarah HarleyMedical-Surgical Registered Nurse1568330041
  5. Michael Macon, M.D.Surgery Physician1174526222
  6. Demitra Manjoros, M.D.Surgery Physician1811960651

Verify Naomasa Hase in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 009305    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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Naomasa Hase among 803 obstetrics & gynecology physician records in Arizona

Naomasa Hase, DO 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 not. Its NPI, issued in 2014, is newer than 76% of them.

  • NPI issued2014 · 76% of these records are older, 22% newer
  • In a Medicare fileNo · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2014 · median 2005 among the 477 with a school on file
  • Record last updated2025 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 803 in Arizona → Every provider in Prescott Valley → Obstetrics & Gynecology Physician nationwide →

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

  1. Michele Jones, R.N.F.A.Prescott, AZ 863051023017811
  2. Josephine KimPrescott, AZ 863051881798312
  3. Melinda Martin, M.D.Prescott, AZ 863051942367248
  4. Ellen Claxton, MDCottonwood, AZ 863261306839840
  5. Marilyn Kindig Stahl, DOCottonwood, AZ 863261427025964
  6. Dennis Reed, M.D.Cottonwood, AZ 863261942266390
  7. Kaitlyn BanningPrescott, AZ 863011962065219
  8. Adam Feingold, MDPrescott, AZ 863011881799310

Common questions

What is Naomasa Hase, DO's NPI number?

Naomasa Hase, DO's National Provider Identifier (NPI) is 1841610961, issued on Apr 17, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Naomasa Hase, DO located?

The NPPES record lists a practice address at 7700 E Florentine RD, Prescott Valley, AZ, 86314. Phone: (928) 445-2700. Providers update this record themselves, so call before visiting.

How can I verify Naomasa Hase, DO's license?

NPPES lists Arizona license number 009305, 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.