William Akin Marks, MD
Family Medicine Physician · Vista, CA
William Akin Marks, MD is a family medicine physician with a practice address in Vista, California, and NPI 1821023086, issued on Jul 12, 2006. Check the license (California C31614, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Akin Marks
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- C31614 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Vale Terrace Dr, Vista, CA 92084
- Phone
- (760) 631-5000
- Enumerated
- Jul 12, 2006
- Record last updated
- Jul 28, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (760) 414-3710
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1000 Vale Terrace Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Autumn AhlersFamily Nurse Practitioner1821007519
- Susan AnderaFamily Nurse Practitioner1790914216
- Iris Arrieta, M.D.Obstetrics & Gynecology Physician1659614303
- Barbara Ascher, CNMAdvanced Practice Midwife1598901993
Verify William Akin Marks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C31614Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William Akin Marks among 17,133 family medicine physician records in California
William Akin Marks, MD is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileNo · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2010 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
75 family medicine physician records list a practice address in Vista
They are 75 of the 2,017 NPPES records with a practice address in Vista, and 17,133 family medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,133 in California → Every provider in Vista → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Gershon Bergeisen, M.D.Vista, CA 920841710921093
- Joseph Brown, MDVista, CA 920841508882408
- Marti Donnell, MDVista, CA 920841235151366
- Conrad Hanstein, M.D.Vista, CA 920841972544369
- Ryan Hikes, MDVista, CA 920841609862358
- Patricia Merrill-Wilson, D.O.Vista, CA 920841427038926
- Emmett Montis, DOVista, CA 920841811045693
- Donald Ong, MDVista, CA 920841972579910
Common questions
What is William Akin Marks, MD's NPI number?
William Akin Marks, MD's National Provider Identifier (NPI) is 1821023086, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Akin Marks, MD located?
The NPPES record lists a practice address at 1000 Vale Terrace Dr, Vista, CA, 92084. Phone: (760) 631-5000. Providers update this record themselves, so call before visiting.
How can I verify William Akin Marks, MD's license?
NPPES lists California license number C31614, 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. 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.