Erin Wolf, MD
Gastroenterology Physician · Walnut Creek, CA
Erin Wolf, MD is a gastroenterology physician with a practice address in Walnut Creek, California, and NPI 1245733062, issued on Mar 18, 2018. Check the license (California A178572, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Erin Wolf
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- A178572 CA
T0041 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1479 Ygnacio Valley RD Ste 150, Walnut Creek, CA 94598
- Phone
- (925) 296-7340
- Enumerated
- Mar 18, 2018
- Record last updated
- Jul 25, 2025
- Medicare enrollment
- Enrolled (PECOS I20250808003791); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 1479 Ygnacio Valley RD Ste 150
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Chan, FNP-BCNurse Practitioner1477280030
- Varujan Keledjian, M.D.Gastroenterology Physician1508831678
- Christine Shieh, MDGastroenterology Physician1013414465
- Maher Tama, M.D.Gastroenterology Physician1326393737
- Carmen Yung, FNP-BCNurse Practitioner1003475450
Verify Erin Wolf in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A178572Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average gastroenterology physician in 2024
24 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $761.36
7 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- John Muir Physician NetworkWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erin Wolf among 2,140 gastroenterology physician records in California
Erin Wolf, MD is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 94% of them.
- NPI issued2018 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2018 · median 2002 among the 1,538 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Walnut Creek → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Mervyn Becker, MDWalnut Creek, CA 945981841329430
- Steve Cheng, MDWalnut Creek, CA 945981245318328
- Shireen Ghorbani, M.D.Walnut Creek, CA 945981083845598
- Varujan Keledjian, M.D.Walnut Creek, CA 945981508831678
- Henry Kung, M.D.Walnut Creek, CA 945981518941673
- Will Lane, M.D.Walnut Creek, CA 945981548244684
- David Lin, M.D.Walnut Creek, CA 945981982664041
- Cynthia Mullen, M.D.Walnut Creek, CA 945981013123140
Common questions
What is Erin Wolf, MD's NPI number?
Erin Wolf, MD's National Provider Identifier (NPI) is 1245733062, issued on Mar 18, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Erin Wolf, MD located?
The NPPES record lists a practice address at 1479 Ygnacio Valley RD Ste 150, Walnut Creek, CA, 94598. Phone: (925) 296-7340. Providers update this record themselves, so call before visiting.
How can I verify Erin Wolf, MD's license?
NPPES lists California license number A178572, 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.
How much does Erin Wolf, MD prescribe under Medicare Part D?
In 2024, Erin Wolf, MD had 24 Medicare Part D claims; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions 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.