Barbara Newlon, D.O.
Family Medicine Physician · Mill Valley, CA
Barbara Newlon, D.O. is a family medicine physician with a practice address in Mill Valley, California, and NPI 1356564363, issued on Apr 10, 2007. Check the license (California A20-4798, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Barbara Newlon
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A20-4798 CA
Self-reported in NPPES; status is on the state search - Practice location
- 655 Redwood Highway, Mill Valley, CA 94941
- Phone
- (415) 459-2522
- Enumerated
- Apr 10, 2007
- Entity
- Type 1 · individual
Also registered at 655 Redwood Highway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Richard Goldwasser, MDPsychiatry Physician1073605572
Verify Barbara Newlon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A20-4798Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
13 family medicine physician records list a Mill Valley practice address
They are 13 of the 653 NPPES records with a Mill Valley practice address, and 16,272 family medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 13 in Mill Valley → All 16,272 in California → Every provider in Mill Valley →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Barbara Newlon, D.O.'s NPI number?
Barbara Newlon, D.O.'s National Provider Identifier (NPI) is 1356564363, issued on Apr 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Barbara Newlon, D.O. located?
The NPPES record lists a practice address at 655 Redwood Highway, Mill Valley, CA, 94941. Phone: (415) 459-2522. Providers update this record themselves, so call before visiting.
How can I verify Barbara Newlon, D.O.'s license?
NPPES lists California license number A20-4798, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.