NATALIE GRIGSBY AUD
NPI 1033784368
Audiologist in San Francisco, CA

Q: What is Natalie Grigsby's NPI number?

The NPI number for Natalie Grigsby is 1033784368. It was assigned to this individual provider in the NPPES registry on May 20, 2021.

Q: What is Natalie Grigsby'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 Natalie Grigsby was last updated on October 31, 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 May 20, 2021Accepts Medicare Assignment

2330 POST ST., SUITE 270, SAN FRANCISCO, CA 94115(415) 353-2101 Get Directions Write a Review

NPPES record last updated: October 31, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 24, 2023, Sep 25, 2022, May 20, 2021 (3 updates tracked since 2021).

On this page

About Natalie Grigsby Aud NPPES

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

NATALIE GRIGSBY AUD (NPI 1033784368) is an individual audiologist in San Francisco, California, licensed in California (3750) and active in the NPI registry since May 2021. She is a graduate of Other (2022).

NPPES Registry Identity

NPI1033784368

Entity TypeIndividualFemale

Primary Taxonomy231H00000X

Provider Legal NameNATALIE GRIGSBYCredential: AUD

Location Address2330 POST ST., SUITE 270San Francisco, CA 94115

Mailing Address5250 Avenida De DespacioYorba Linda, CA 92887-4000 · (714) 262-0313

Phone(415) 353-2101

Sole ProprietorYes

Medical School CMSOtherGraduated 2022

Enumeration DateMay 20, 2021

Last NPPES UpdateOctober 31, 20253 updates tracked since enumeration

NPPES CertifiedOctober 31, 2025

✔ NPI 1033784368 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAudiologistSpeech, Language and Hearing Service Providers

Taxonomy Code231H00000X

License✔ Licensed in CA · 3750

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.

2330 POST ST., San Francisco, CA 94115

Open in Google Maps ↗

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

Natalie Grigsby Aud 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 ID648641795

PECOS Enrollment IDI20230127000598

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.

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.

19 services19 patients

Test to assess middle ear function 92567

A test to assess middle ear function, also known as an impedance audiometry, helps evaluate how well your middle ear works. It measures the movement of your eardrum in response to changes in air pressure. This can help identify issues like fluid build-up, ear infections, or eardrum perforations.

18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94115 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

$69.00 typical visit price

range $69.00 – $202.35

Typical copayment $17.25 (range $17.25 – $50.58)

Most-billed visit code 99202

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

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 2

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

ROCHELLE ZAK M.D.

Psychiatry & Neurology (Sleep Medicine)

2330 POST ST., #420
SAN FRANCISCO, CA 94115

San Francisco County (415) 885-7886

HEYSELL CRUZ PACAS

Student in an Organized Health Care Education/Training Program

2330 POST ST., SUITE 270
SAN FRANCISCO, CA 94115

San Francisco County (415) 353-2101

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 Natalie Grigsby's NPI number?

The NPI number for Natalie Grigsby is 1033784368. It was assigned to this individual provider in the NPPES registry on May 20, 2021.

Where is Natalie Grigsby located?

Natalie Grigsby practices at 2330 Post St. Suite 270, San Francisco, CA 94115. The listed phone number is (415) 353-2101.

What is Natalie Grigsby's specialty?

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

Is Natalie Grigsby enrolled in Medicare?

Yes. Natalie Grigsby 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 Natalie Grigsby was last updated on October 31, 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.