NATALIE GRIGSBY AUD
NPI 1033784368
Audiologist in San Francisco, CA
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
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
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.
Medicare Billing Reassignments
3Medicare enrollment records show Natalie Grigsby reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94103
- Reassigned Medicare billing, California enrollment
- 14 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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.
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.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94115
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.
Which organizations bill Medicare for Natalie Grigsby's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Natalie Grigsby reassigns Medicare benefits to 3 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and University Of The Pacific (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Natalie Grigsby's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
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 11 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.
# Natalie Grigsby, AUD · NPI 1033784368
Audiologist provider in San Francisco, California. Individual provider, active in the CMS NPPES registry since May 20, 2021.
## Identity
- **NPI:** 1033784368 (Entity type: Individual)
- **Enumerated:** May 20, 2021
- **Primary specialty:** Audiologist · taxonomy 231H00000X
- **State license:** 3750 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2330 POST ST., SUITE 270, San Francisco, CA 94115
- **Phone:** (415) 353-2101
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); University Of The Pacific (NPI 1508294927, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** October 31, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1033784368) · Data from the CMS NPPES public registry.