Marta Hammond Ashby, CRNA
Certified Registered Nurse Anesthetist · Vallejo, CA
Marta Hammond Ashby, CRNA is a certified registered nurse anesthetist with a practice address in Vallejo, California, and NPI 1407929433, issued on Nov 16, 2006. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Marta Hammond Ashby
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- Practice location
- 975 Sereno Dr, Vallejo, CA 94589
- Phone
- (707) 651-3884
- Enumerated
- Nov 16, 2006
- Record last updated
- Jul 10, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (707) 651-2045
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 2,943 in California → Look up another NPI →
Also registered at 975 Sereno Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joel Aandahl, NPAdult Health Nurse Practitioner1891423653
- Noman Absar, MDCritical Care Medicine (Internal Medicine) Physician1205908951
- Anthony Acquaviva, MDUrology Physician1457439283
- Jhonnard James Acuna, CRNACertified Registered Nurse Anesthetist1205997327
- Omid AfshariPharmacist1184165391
- Eesha AftabStudent in an Organized Health Care Education/Training Program1770421687
Verify Marta Hammond Ashby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Marta Hammond Ashby among 2,943 certified registered nurse anesthetist records in California
Marta Hammond Ashby, CRNA is one of 2,943 certified registered nurse anesthetist records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 77% newer
- In a Medicare fileNo · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2007 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
34 certified registered nurse anesthetist records list a practice address in Vallejo
They are 34 of the 2,836 NPPES records with a practice address in Vallejo, and 2,943 certified registered nurse anesthetist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,943 in California → Every provider in Vallejo → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- Jhonnard James Acuna, CRNAVallejo, CA 945891205997327
- Vicky Crepps, RN, MS, CRNAVallejo, CA 945891790840023
- Seth Greenberg, CRNAVallejo, CA 945891457403149
- Frederick Lopez, CRNAVallejo, CA 945891972668580
- Edward Matthews, CRNAVallejo, CA 945891487725594
- John Pearlman, CRNAVallejo, CA 945891215011598
- Anne Pettibone, CRNAVallejo, CA 945891063576080
- Deborah Ray, CRNAVallejo, CA 945891427110113
Common questions
What is Marta Hammond Ashby, CRNA's NPI number?
Marta Hammond Ashby, CRNA's National Provider Identifier (NPI) is 1407929433, issued on Nov 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marta Hammond Ashby, CRNA located?
The NPPES record lists a practice address at 975 Sereno Dr, Vallejo, CA, 94589. Phone: (707) 651-3884. Providers update this record themselves, so call before visiting.
How can I verify Marta Hammond Ashby, CRNA's license?
Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.