NPPES file of Aug 9, 2026

Gregory William Hall, MA

Audiologist · San Marcos, CA

Gregory William Hall, MA is an audiologist with a practice address in San Marcos, California, and NPI 1871580233, issued on Sep 30, 2005. Check the license (California AU873, as entered in NPPES) with the California board that licenses this profession; 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
1871580233
Name
Gregory William Hall
Credential
MA
Primary taxonomy
Audiologist 231H00000X
License number
AU873 CA
Self-reported in NPPES; status is on the state search
Practice location
910 W San Marcos Blvd, San Marcos, CA 92078
Phone
(760) 471-1196
Enumerated
Sep 30, 2005
Record last updated
Oct 27, 2025
Fax
(760) 471-1550
Medicare enrollment
Enrolled (PECOS I20050720000326); 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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8 nearest audiologist records → All 1,561 in California → Look up another NPI →

Also registered at 910 W San Marcos Blvd

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

  1. Korie BrownBehavior Technician1912504127
  2. Brisa Cruz-VenegasCommunity Health Worker1366198830
  3. Hasatt GarciaBehavior Technician1326645474
  4. Anuja ShahPhysical Therapist1083004139

Verify Gregory William Hall in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license AU873    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
Find the California 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 William Hall among 1,561 audiologist records in California

Gregory William Hall, MA is one of 1,561 audiologist records with a practice address in California. 23% 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 98% newer
  • In a Medicare fileNo · 23% of these records are
  • In the CMS Doctors and Clinicians fileYes · 28% of these records are
  • Graduated1983 · median 2014 among the 433 with a school on file
  • Record last updated2025 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 231H00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Audiologist providers in California

There are 1,561 audiologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,561 in California → Every provider in San Marcos → Audiologist nationwide →

The 8 audiologist records with the nearest ZIP codes

  1. Nicolette Dome, AU.D.San Marcos, CA 920781033856323
  2. Eliana Marvizon, AU.D.San Marcos, CA 920781215869888
  3. Angie Nguyen, AUDSan Marcos, CA 920781770108532
  4. Aurianna BonannoVista, CA 920811932939402
  5. Shilpa Punjabi, AU.DSolana Beach, CA 920751528003506
  6. Vickie Moskowitz, AU.D.Vista, CA 920831124115118
  7. Diana Casillas, AUD.San Marcos, CA 920691548922388
  8. Trinity Blitt, AU.D.Rancho Santa Fe, CA 920671164891461

Common questions

What is Gregory William Hall, MA's NPI number?

Gregory William Hall, MA's National Provider Identifier (NPI) is 1871580233, issued on Sep 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Gregory William Hall, MA located?

The NPPES record lists a practice address at 910 W San Marcos Blvd, San Marcos, CA, 92078. Phone: (760) 471-1196. Providers update this record themselves, so call before visiting.

How can I verify Gregory William Hall, MA's license?

NPPES lists California license number AU873, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.