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BENJAMIN A GERSTEIN M.S. CCC-SLP
NPI 1235456781
Speech-Language Pathologist in Oakland, CA

Active since April 23, 2010
3779 PIEDMONT AVE, OAKLAND, CA 94611(510) 752-6823 Get Directions Write a Review

NPPES record last updated: January 3, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Benjamin A Gerstein M.s. Ccc-slp NPPES

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

BENJAMIN A GERSTEIN M.S. CCC-SLP (NPI 1235456781) is an individual speech-language pathologist provider in Oakland, California, licensed in California (15023) and active in the NPI registry since April 2010.

NPPES Registry Identity

NPI1235456781
Entity TypeIndividualMale
Primary Taxonomy235Z00000X
Provider Legal NameBENJAMIN A GERSTEINCredential: M.S. CCC-SLP
Location Address3779 PIEDMONT AVEOakland, CA 94611-5347
Mailing Address8032 Greenly DrOakland, CA 94605-3641
Phone(510) 752-6823
Sole ProprietorNo
Enumeration DateApril 23, 2010
Last NPPES UpdateJanuary 3, 2022
✔ NPI 1235456781 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
License✔ Licensed in CA · 15023
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
3779 PIEDMONT AVE, Oakland, CA 94611
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Benjamin A Gerstein M.s. Ccc-slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Benjamin Gerstein reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
9.7 mi
Internal Medicine
901 NEVIN
Richmond, CA 94801
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1235226531 (510) 307-1555

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 5

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

TYLER MACY M.D.
Student in an Organized Health Care Education/Training Program
3779 PIEDMONT AVE
OAKLAND, CA 94611
Alameda County (510) 752-1115
DR. LISA FOWLER PSY.D.
Psychologist (Clinical)
3779 PIEDMONT AVE
OAKLAND, CA 94611
Alameda County (510) 752-7149
GAEA S. MOORE MD
Obstetrics & Gynecology
3779 PIEDMONT AVE
OAKLAND, CA 94611
Alameda County (510) 752-6278
MR. DANIEL GEER LCSW
Social Worker (Clinical)
3779 PIEDMONT AVE, SUITE G-41
OAKLAND, CA 94611
Alameda County (510) 752-5135
LENORE ELLEN ARNOUX RNC, NP III
Nurse Practitioner (Women's Health)
3779 PIEDMONT AVE
OAKLAND, CA 94611
Alameda County (510) 752-6101

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 Benjamin Gerstein's NPI number?

The NPI number for Benjamin Gerstein is 1235456781. It was assigned to this individual provider in the NPPES registry on April 23, 2010.

Where is Benjamin Gerstein located?

Benjamin Gerstein practices at 3779 Piedmont Ave, Oakland, CA 94611. The listed phone number is (510) 752-6823.

What is Benjamin Gerstein's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Is Benjamin Gerstein enrolled in Medicare?

Yes. Benjamin Gerstein is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Benjamin Gerstein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Gerstein reassigns Medicare benefits to Permanente Medical Group Inc (Richmond, CA). The 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 Benjamin Gerstein'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 Benjamin Gerstein was last updated on January 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.