Michael B. Clearfield, D.O.
Internal Medicine Physician · Vallejo, CA
Michael B. Clearfield, D.O. is an internal medicine physician with a practice address in Vallejo, California, and NPI 1689638561, issued on Apr 17, 2006. Check the license (California 20A9719, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Michael B. Clearfield
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 20A9719 CA
F5869 TX
Self-reported in NPPES; status is on the state search - Practice location
- 365 Tuolumne St, Vallejo, CA 94590
- Phone
- (707) 784-2001
- Enumerated
- Apr 17, 2006
- Record last updated
- Mar 26, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (707) 784-1494
- Medicaid ID
- 134699104 TX
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 365 Tuolumne St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Georgia Allen, DOInternal Medicine Physician1508844796
- Karla BaileyFamily Nurse Practitioner1700433604
- Gabriel Bascara, PA-CPhysician Assistant1467294934
- Laurena Dongmo FotsingAdult Medicine Physician1003433699
- Jennifer Elton, FNPFamily Nurse Practitioner1720462468
- Matthew Fagan, D.O.Family Medicine Physician1740488543
Verify Michael B. Clearfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A9719Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Michael B. Clearfield among 17,696 internal medicine physician records in California
Michael B. Clearfield, D.O. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2013 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
64 internal medicine physician records list a practice address in Vallejo
They are 64 of the 2,836 NPPES records with a practice address in Vallejo, and 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,696 in California → Every provider in Vallejo → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Georgia Allen, DOVallejo, CA 945901508844796
- Cathleen Coulman, M.D.Vallejo, CA 945901689941171
- John MaloneVallejo, CA 945901366647513
- Mercedes Rivera, M.D.Vallejo, CA 945901730375841
- Adebusola AdesinaVallejo, CA 945891386176139
- Chude Anagor, MDVallejo, CA 945891336556224
- Fred Bayon, M.D.Vallejo, CA 945911225031362
- Angelin ChengVallejo, CA 945891558997403
Common questions
What is Michael B. Clearfield, D.O.'s NPI number?
Michael B. Clearfield, D.O.'s National Provider Identifier (NPI) is 1689638561, issued on Apr 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael B. Clearfield, D.O. located?
The NPPES record lists a practice address at 365 Tuolumne St, Vallejo, CA, 94590. Phone: (707) 784-2001. Providers update this record themselves, so call before visiting.
How can I verify Michael B. Clearfield, D.O.'s license?
NPPES lists California license number 20A9719, 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.