Matthew Edward Naythons, MD
Emergency Medicine Physician · Sausalito, CA
Matthew Edward Naythons, MD is an emergency medicine physician with a practice address in Sausalito, California, and NPI 1033457684, issued on Jan 16, 2013. Check the license (California A25436, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Matthew Edward Naythons
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A25436 CA
Self-reported in NPPES; status is on the state search - Practice location
- 180 Harbor Dr, Sausalito, CA 94965
- Phone
- (415) 332-0808
- Enumerated
- Jan 16, 2013
- Record last updated
- Jan 16, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 180 Harbor Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cassandra Howard, MSOT, OTR/LPediatric Occupational Therapist1265306971
- Khanh Phuong TongFoot & Ankle Surgery Podiatrist1336898444
Verify Matthew Edward Naythons in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A25436Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Matthew Edward Naythons among 7,751 emergency medicine physician records in California
Matthew Edward Naythons, MD is one of 7,751 emergency 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 2013, is newer than 66% of them.
- NPI issued2013 · 66% of these records are older, 31% newer
- In a Medicare fileNo · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2013 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 emergency medicine physician records list a practice address in Sausalito
They are 4 of the 200 NPPES records with a practice address in Sausalito, and 7,751 emergency medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,751 in California → Every provider in Sausalito → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Rachel Alt, MDSausalito, CA 949651538354139
- Edward Fotsch, M.D.Sausalito, CA 949651295978005
- Chaithra Nagar, MDSausalito, CA 949651073589222
- Christopher Roden, DORoss, CA 949571316108947
- Amy Adams, M.D.Petaluma, CA 949541700976610
- Jodi Adams, M.D.Petaluma, CA 949541962511766
- Veronique Au, MDPetaluma, CA 949541255399531
- Kristin KuzmaPetaluma, CA 949541861717829
Common questions
What is Matthew Edward Naythons, MD's NPI number?
Matthew Edward Naythons, MD's National Provider Identifier (NPI) is 1033457684, issued on Jan 16, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Edward Naythons, MD located?
The NPPES record lists a practice address at 180 Harbor Dr, Sausalito, CA, 94965. Phone: (415) 332-0808. Providers update this record themselves, so call before visiting.
How can I verify Matthew Edward Naythons, MD's license?
NPPES lists California license number A25436, 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.