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ERIN JESSICA SIMMS MD
NPI 1588735476
Otolaryngology - Plastic Surgery within the Head & Neck in Oakland, CA

Active since November 13, 2006PECOS Enrolled
744 52ND ST, SUITE 4200, OAKLAND, CA 94609(510) 428-3456(510) 450-5613 Get Directions Write a Review

NPPES record last updated: January 24, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Erin Jessica Simms Md NPPES

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

ERIN JESSICA SIMMS MD (NPI 1588735476) is an individual plastic surgery within the head & neck provider in Oakland, California, licensed in California (G79837) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1588735476
Entity TypeIndividualFemale
Primary Taxonomy207YX0007X
Provider Legal NameERIN JESSICA SIMMSCredential: MD
Location Address744 52ND ST, SUITE 4200Oakland, CA 94609-1810
Mailing Address744 52nd St, Suite 4200Oakland, CA 94609-1810 · (510) 428-3456 · Fax (510) 450-5613
Phone(510) 428-3456
Fax(510) 450-5613
Sole ProprietorNo
Enumeration DateNovember 13, 2006
Last NPPES UpdateJanuary 24, 2014
✔ NPI 1588735476 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngology · Plastic Surgery within the Head & NeckAllopathic & Osteopathic Physicians
Taxonomy Code207YX0007X
License✔ Licensed in CA · G79837
Definition
An otolaryngologist with additional training in plastic and reconstructive procedures within the head, face, neck and associated structures, including cutaneous head and neck oncology and reconstruction, management of maxillofacial trauma, soft tissue repair and neural surgery. The field is diverse and involves a wide age range of patients, from the newborn to the aged. While both cosmetic and reconstructive surgeries are practiced, there are many additional procedures which interface with them.
744 52ND ST, Oakland, CA 94609
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Other Names 1

Other Name (5)Erin Jessica Simms-edwards Md

Other Identifiers 2

Medicaid00G798370CA
Medicare PING74442CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Erin Jessica Simms Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

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

Bass Medical Group
14 mi
Orthopaedic Surgery
19842 LAKE CHABOT RD
Castro Valley, CA 94546
  • Reassigned Medicare billing, California enrollment
  • 347 clinicians in this Medicare group
NPI 1093181646 (510) 886-8844

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 20

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

BETHANY GELERIS CRNP
Nurse Practitioner (Pediatrics)
744 52ND ST
OAKLAND, CA 94609
Alameda County (909) 568-4395
KATHERINE LIAO PA
Physician Assistant
744 52ND ST
OAKLAND, CA 94609
Alameda County (919) 681-3161
RUBI CUEVAS RN
Registered Nurse
744 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3215
MS. ANDREA BREON M.S., CCC-SLP
Speech-Language Pathologist
744 52ND ST, CRANIOFACIAL 5TH FLOOR
OAKLAND, CA 94609
Alameda County (510) 428-3150
ANNE THATCHER-STEPHENS ATC
Specialist/Technologist (Athletic Trainer)
744 52ND ST, UCSF BENIOFF CHILDREN'S HOPSPITAL
OAKLAND, CA 94609
Alameda County (415) 595-2561
GRACE MARIE OSBORN PA
Physician Assistant
744 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3024
EILEEN B FINLEY CCC-SLP
Speech-Language Pathologist
744 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3885
BRENT RYO HISAKA PT, DPT
Physical Therapist
744 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3558

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 Erin Simms's NPI number?

The NPI number for Erin Simms is 1588735476. It was assigned to this individual provider in the NPPES registry on November 13, 2006. The provider is also known as Erin Jessica Simms-Edwards MD.

Where is Erin Simms located?

Erin Simms practices at 744 52nd St Suite 4200, Oakland, CA 94609. The listed phone number is (510) 428-3456.

What is Erin Simms's specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Plastic Surgery within the Head & Neck, with taxonomy code 207YX0007X.

Is Erin Simms enrolled in Medicare?

Yes. Erin Simms is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Erin Simms's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Erin Simms reassigns Medicare benefits to Bass Medical Group (Castro Valley, 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 Erin Simms'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 Erin Simms was last updated on January 24, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.