GREGORY WILLIAM HALL MA
NPI 1871580233
Audiologist in San Marcos, CA

Q: What is Gregory Hall's NPI number?

The NPI number for Gregory Hall is 1871580233. It was assigned to this individual provider in the NPPES registry on September 30, 2005.

Q: What is Gregory Hall's specialty?

The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Hall was last updated on October 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 30, 2005Accepts Medicare Assignment

910 W SAN MARCOS BLVD, SUITE 102, SAN MARCOS, CA 92078(760) 471-1196(760) 471-1550 Get Directions Write a Review

NPPES record last updated: October 27, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Gregory William Hall Ma NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GREGORY WILLIAM HALL MA (NPI 1871580233) is an individual audiologist in San Marcos, California, licensed in California (AU873) and active in the NPI registry since September 2005. He is a graduate of Other (1983).

NPPES Registry Identity

NPI1871580233

Entity TypeIndividualMale

Primary Taxonomy231H00000X

Provider Legal NameGREGORY WILLIAM HALLCredential: MA

Location Address910 W SAN MARCOS BLVD, SUITE 102San Marcos, CA 92078-1115

Mailing Address910 W San Marcos Blvd Ste 102San Marcos, CA 92078-1116 · (760) 471-1196 · Fax (760) 471-1550

Phone(760) 471-1196

Fax(760) 471-1550

Sole ProprietorYes

Medical School CMSOtherGraduated 1983

Enumeration DateSeptember 30, 2005

Last NPPES UpdateOctober 27, 2025

NPPES CertifiedOctober 27, 2025

✔ NPI 1871580233 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAudiologistSpeech, Language and Hearing Service Providers

Taxonomy Code231H00000X

License✔ Licensed in CA · AU873

Definition

(1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function. Audiologists are autonomous professionals who identify, assess, and manage disorders of the auditory, balance and other neural systems. Audiologists provide audiological (aural) rehabilitation to children and adults across the entire age span. Audiologists select, fit and dispense amplification systems such as hearing aids and related devices. (2) An audiologist is a person qualified by a master's degree in audiology, licensed by the state, where applicable, and practicing within the scope of that license. Audiologists evaluate and treat patients with impaired hearing. They plan, direct and conduct rehabilitative programs with audiotry substitutional devises (hearing aids) and other therapy.

Also ListedAudiologist-Hearing Aid FitterTaxonomy 237600000X · License AU873 (CA)

910 W SAN MARCOS BLVD, San Marcos, CA 92078

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gregory William Hall Ma is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9739116989

PECOS Enrollment IDI20050720000326

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test for eardrum and muscle function 92550

This test assesses the health of your eardrum and muscles linked to hearing. A small device is placed in your ear that creates pressure changes and sounds. Your ear's responses are recorded to determine if they are functioning properly.

39 services39 patients

Comprehensive hearing and speech recognition test 92557

A comprehensive hearing and speech recognition test assesses your ability to hear and understand spoken words. It includes hearing tests to check for issues with sound perception and speech tests to evaluate your word recognition. It's a crucial step in identifying any hearing or speech problems.

39 services39 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92078 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$62.10 typical visit price

range $62.10 – $184.71

Typical copayment $15.52 (range $15.52 – $46.17)

Most-billed visit code 99202

Established Patient

$76.87 typical visit price

range $20.62 – $151.42

Typical copayment $19.21 (range $5.15 – $37.85)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANUJA SHAH

Physical Therapist

910 W SAN MARCOS BLVD
SAN MARCOS, CA 92078

San Diego County (760) 502-6111

GREGORY W. HALL, MA

Clinic/Center (Hearing and Speech)

910 W SAN MARCOS BLVD, SUITE 102
SAN MARCOS, CA 92078

San Diego County (760) 471-1196

HASATT GARCIA

Behavior Technician

910 W SAN MARCOS BLVD
SAN MARCOS, CA 92078

San Diego County (760) 916-5907

BRISA SOLEIDA CRUZ-VENEGAS

Community Health Worker

910 W SAN MARCOS BLVD
SAN MARCOS, CA 92078

San Diego County (619) 433-5722

FLOOR PT INC

Physical Therapist

910 W SAN MARCOS BLVD, STE 109
SAN MARCOS, CA 92078

San Diego County (760) 502-6111

MS. KORIE ELAINE BROWN

Behavior Technician

910 W SAN MARCOS BLVD
SAN MARCOS, CA 92078

San Diego County (760) 916-5907

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Hall's NPI number?

The NPI number for Gregory Hall is 1871580233. It was assigned to this individual provider in the NPPES registry on September 30, 2005.

Where is Gregory Hall located?

Gregory Hall practices at 910 W San Marcos Blvd Suite 102, San Marcos, CA 92078. The listed phone number is (760) 471-1196.

What is Gregory Hall's specialty?

The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.

Is Gregory Hall enrolled in Medicare?

Yes. Gregory Hall is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Gregory Hall was last updated on October 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.