Emily Sarah Newfield, MD
Obstetrics & Gynecology Physician · Martinez, CA
Emily Sarah Newfield, MD is an obstetrics & gynecology physician with a practice address in Martinez, California, and NPI 1922273192, issued on Apr 28, 2008. Check the license (California A112275, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Emily Sarah Newfield
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A112275 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Alhambra Ave, Martinez, CA 94553
- Phone
- (925) 370-5000
- Enumerated
- Apr 28, 2008
- Record last updated
- Feb 11, 2022
- Medicare enrollment
- Enrolled (PECOS I20120711000431); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 2500 Alhambra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Zohaib AbbasiPsychiatry Physician1013392224
- Lolita AdonaFamily Nurse Practitioner1821110925
- Namita AgarwalPediatrics Physician1467626341
- Edward AgyekumDentist1124196696
- Abid Ahmed, M.D.Internal Medicine Physician1346531001
Verify Emily Sarah Newfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A112275Check 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 IncWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Emily Sarah Newfield among 5,088 obstetrics & gynecology physician records in California
Emily Sarah Newfield, MD 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 2008, is newer than 62% of them.
- NPI issued2008 · 62% of these records are older, 34% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2006 · 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).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Martinez → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Judith BlissMartinez, CA 945531184781064
- Joseph Bourque, MDMartinez, CA 945531225116312
- Huy DaoMartinez, CA 945531447333497
- Susan FeierabendMartinez, CA 945531982781548
- Sunthara Hay, DO2500 Alhambra Avenue, CA 945531073696720
- Joseph MacedoMartinez, CA 945531043354814
- Victoria Mancuso, MDMartinez, CA 945531437237591
- Ogo Mbanugo, MDMartinez, CA 945531962572867
Common questions
What is Emily Sarah Newfield, MD's NPI number?
Emily Sarah Newfield, MD's National Provider Identifier (NPI) is 1922273192, issued on Apr 28, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Emily Sarah Newfield, MD located?
The NPPES record lists a practice address at 2500 Alhambra Ave, Martinez, CA, 94553. Phone: (925) 370-5000. Providers update this record themselves, so call before visiting.
How can I verify Emily Sarah Newfield, MD's license?
NPPES lists California license number A112275, 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.