NPPES file of Aug 9, 2026

Erin Jessica Simms, MD

Plastic Surgery within the Head & Neck (Otolaryngology) Physician · Oakland, CA

Erin Jessica Simms, MD is a plastic surgery within the head & neck (otolaryngology) physician with a practice address in Oakland, California, and NPI 1588735476, issued on Nov 13, 2006. Check the license (California G79837, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588735476
Name
Erin Jessica Simms
Credential
MD
Primary taxonomy
Plastic Surgery within the Head & Neck (Otolaryngology) Physician 207YX0007X
License number
G79837 CA
Self-reported in NPPES; status is on the state search
Practice location
744 52ND St, Oakland, CA 94609
Phone
(510) 428-3456
Enumerated
Nov 13, 2006
Record last updated
Jan 24, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(510) 450-5613
Medicaid ID
00G798370 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 744 52ND St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Aaron Berger, M.D., PH.D.Surgery of the Hand (Plastic Surgery) Physician1831385053
  2. James Betts, M.D.Pediatric Surgery Physician1811931124
  3. Andrea Breon, M.S., CCC-SLPSpeech-Language Pathologist1134587439
  4. Crystalyn Cruz, RNPediatric Registered Nurse1558136275
  5. Rubi Cuevas, RNRegistered Nurse1114853207
  6. Susan Ditmyer, NPPediatric Nurse Practitioner1376680025

Verify Erin Jessica Simms in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G79837
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $70.45

4 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 388 providers of this specialty with any payment received $1,454.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Erin Simms$70.45
  2. Specialty average$1,454.84

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Erin Jessica Simms among 150 plastic surgery within the head & neck (otolaryngology) physician records in California

Erin Jessica Simms, MD is one of 150 plastic surgery within the head & neck (otolaryngology) physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 43% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 54% of these records are
  • Record last updated2014 · 76% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207YX0007X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Plastic Surgery within the Head & Neck (Otolaryngology) Physician providers in California

There are 150 plastic surgery within the head & neck (otolaryngology) physician records in California.

The 8 plastic surgery within the head & neck (otolaryngology) physician records with the nearest ZIP codes

  1. Adam Marvin, M.D.Oakland, CA 946091275528572
  2. Manu Gujrati, MDOakland, CA 946111720230451
  3. Rahul Seth, M.D.Walnut Creek, CA 945981073784682
  4. Ronald Rubenstein, M. D.San Leandro, CA 945781467568105
  5. Stephen Gugenheim, M.D.Napa, CA 945581174501340
  6. Tania Benjamin, MDCastro Valley, CA 945461093276131
  7. Zev Kahn, M.D.Castro Valley, CA 945461356310502
  8. Nancy Wang, MDFremont, CA 945381013337492

Common questions

What is Erin Jessica Simms, MD's NPI number?

Erin Jessica Simms, MD's National Provider Identifier (NPI) is 1588735476, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Erin Jessica Simms, MD located?

The NPPES record lists a practice address at 744 52ND St, Oakland, CA, 94609. Phone: (510) 428-3456. Providers update this record themselves, so call before visiting.

How can I verify Erin Jessica Simms, MD's license?

NPPES lists California license number G79837, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.