Timothy Vaughan Clark, D.O.
Critical Care Medicine (Internal Medicine) Physician · Marysville, CA
Timothy Vaughan Clark, D.O. is a critical care medicine (internal medicine) physician with a practice address in Marysville, California, and NPI 1932420320, issued on Jun 20, 2010. Check the license (California 20A13845, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Timothy Vaughan Clark
- Credential
- D.O.
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- 20A13845 CA
OTO13674 PA
Self-reported in NPPES; status is on the state search - Practice location
- 726 4TH St, Marysville, CA 95901
- Phone
- (530) 743-4377
- Enumerated
- Jun 20, 2010
- Record last updated
- Feb 24, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (530) 749-6616
- Medicare enrollment
- Enrolled (PECOS I20150901003345); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2013
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 723 in California → Look up another NPI →
Also registered at 726 4TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Babeshoff, CRNACertified Registered Nurse Anesthetist1023011574
- Amanda Badgett, RNCertified Registered Nurse Anesthetist1558826461
- Sukhraj Balhan, MDCritical Care Medicine (Internal Medicine) Physician1194169292
- Hamad Bath, DPTPhysical Therapist1437906633
- Robert Boardman, C.R.N.A.Certified Registered Nurse Anesthetist1417983321
- Harmony Boeh, RD, CNSCRegistered Dietitian1083812119
Verify Timothy Vaughan Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A13845Check 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
- Cep America - Intensivists PCSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy Vaughan Clark among 723 critical care medicine (internal medicine) physician records in California
Timothy Vaughan Clark, D.O. is one of 723 critical care medicine (internal medicine) physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 64% of them.
- NPI issued2010 · 64% of these records are older, 32% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2013 · median 2005 among the 559 with a school on file
- Record last updated2016 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in California
There are 723 critical care medicine (internal medicine) physician records in California.
All 723 in California → Every provider in Marysville → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Sukhraj Balhan, MDMarysville, CA 959011194169292
- John Lace, M.D., F.C.C.P.Grass Valley, CA 959451104840461
- Laurence Seaman, MDOroville, CA 959661295780971
- Gehan Devendra, MDSacramento, CA 958251215015995
- Harjinder Gogia, MDSacramento, CA 958251588742290
- David Herbert, MDSacramento, CA 958251396823001
- John Lutch, MDSacramento, CA 958251043398746
- Walter Shakespeare, D.O.Sacramento, CA 958251861705444
Common questions
What is Timothy Vaughan Clark, D.O.'s NPI number?
Timothy Vaughan Clark, D.O.'s National Provider Identifier (NPI) is 1932420320, issued on Jun 20, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Vaughan Clark, D.O. located?
The NPPES record lists a practice address at 726 4TH St, Marysville, CA, 95901. Phone: (530) 743-4377. Providers update this record themselves, so call before visiting.
How can I verify Timothy Vaughan Clark, D.O.'s license?
NPPES lists California license number 20A13845, 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.