Natalie Grigsby, AUD
Audiologist · San Francisco, CA
Natalie Grigsby, AUD is an audiologist with a practice address in San Francisco, California, and NPI 1033784368, issued on May 20, 2021. Check the license (California 3750, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Natalie Grigsby
- Credential
- AUD
- Primary taxonomy
- Audiologist 231H00000X
- License number
- 3750 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2330 Post St., San Francisco, CA 94115
- Phone
- (415) 353-2101
- Enumerated
- May 20, 2021
- Record last updated
- Oct 31, 2025
- Medicare enrollment
- Enrolled (PECOS I20230127000598); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest audiologist records → All 1,561 in California → Look up another NPI →
Also registered at 2330 Post St.
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Natalie Grigsby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 3750Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Ucsf Medical Group Business ServicesSan Francisco, CA
- University OF The PacificSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Natalie Grigsby among 1,561 audiologist records in California
Natalie Grigsby, AUD 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. Its NPI, issued in 2021, is newer than 77% of them.
- NPI issued2021 · 77% of these records are older, 19% newer
- In a Medicare fileYes · 23% of these records are
- In the CMS Doctors and Clinicians fileYes · 28% of these records are
- Graduated2022 · 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.
All 1,561 in California → Every provider in San Francisco → Audiologist nationwide →
The 8 audiologist records with the nearest ZIP codes
- Molly AdlerSan Francisco, CA 941151033461793
- Rebecca Bingea, AU.D.San Francisco, CA 941151578501631
- Julia Chung, AUDSan Francisco, CA 941151376703793
- Rachel DouglasSan Francisco, CA 941151578083580
- Kathleen Favor, AU.D.San Francisco, CA 941151225433030
- Olivia GaliotoSan Francisco, CA 941151326422098
- Joseph Hardeman, B.A.San Francisco, CA 941151942684618
- Melissa HoSan Francisco, CA 941151417331182
Common questions
What is Natalie Grigsby, AUD's NPI number?
Natalie Grigsby, AUD's National Provider Identifier (NPI) is 1033784368, issued on May 20, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Natalie Grigsby, AUD located?
The NPPES record lists a practice address at 2330 Post St., San Francisco, CA, 94115. Phone: (415) 353-2101. Providers update this record themselves, so call before visiting.
How can I verify Natalie Grigsby, AUD's license?
NPPES lists California license number 3750, 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. 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.