Whitney M. Dewalt, M.D.
Obstetrics & Gynecology Physician · Walnut Creek, CA
Whitney M. Dewalt, M.D. is an obstetrics & gynecology physician with a practice address in Walnut Creek, California, and NPI 1720382286, issued on Dec 27, 2010. Check the license (California A 115130, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Whitney M. Dewalt
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- A 115130 CA
A115130 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1515 Newell Ave, Walnut Creek, CA 94596
- Phone
- (925) 295-4000
- Enumerated
- Dec 27, 2010
- Record last updated
- Feb 11, 2022
- Medicare enrollment
- Enrolled (PECOS I20131122000858); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 2009
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 1515 Newell Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Natalie Chang, D.O.Internal Medicine Physician1205018561
- Hannelore Harwood, NPWomen's Health Nurse Practitioner1063599272
- Andrew Lin, M.D.Nephrology Physician1558484857
- Serena LinObstetrics & Gynecology Physician1366650889
- Jonathan Nguyen, M.D.Internal Medicine Physician1922549138
- Geraldine Shirzai, MDGynecology Physician1609404284
Verify Whitney M. Dewalt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A 115130Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Permanente Medical Group IncAntioch, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Whitney M. Dewalt among 5,088 obstetrics & gynecology physician records in California
Whitney M. Dewalt, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 70% of them.
- NPI issued2010 · 70% of these records are older, 28% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2009 · median 2004 among the 2,700 with a school on file
- Record last updated2022 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
56 obstetrics & gynecology physician records list a practice address in Walnut Creek
They are 56 of the 6,170 NPPES records with a practice address in Walnut Creek, and 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Walnut Creek → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Derek Abbassi, MDWalnut Creek, CA 945961841364155
- Mehrnoosh Almassi, MDWalnut Creek, CA 945961679622872
- Phuong-Anh Bui, MDWalnut Creek, CA 945961396817102
- Elaine Carlitz, MDWalnut Creek, CA 945961902984065
- Donna Di Cenzo, MDWalnut Creek, CA 945961710039524
- Jean Kayser, MDWalnut Creek, CA 945961659459741
- Serena LinWalnut Creek, CA 945961366650889
- Sara Mark, MDWalnut Creek, CA 945961417035924
Common questions
What is Whitney M. Dewalt, M.D.'s NPI number?
Whitney M. Dewalt, M.D.'s National Provider Identifier (NPI) is 1720382286, issued on Dec 27, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Whitney M. Dewalt, M.D. located?
The NPPES record lists a practice address at 1515 Newell Ave, Walnut Creek, CA, 94596. Phone: (925) 295-4000. Providers update this record themselves, so call before visiting.
How can I verify Whitney M. Dewalt, M.D.'s license?
NPPES lists California license number A 115130, 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.