Deborah Dayhoff, MD
Anatomic Pathology Physician · San Rafael, CA
Deborah Dayhoff, MD is an anatomic pathology physician with a practice address in San Rafael, California, and NPI 1255415329, issued on Oct 25, 2006. Check the license (California A48287, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Deborah Dayhoff
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology Physician 207ZP0101X
- License number
- A48287 CA
Self-reported in NPPES; status is on the state search - Practice location
- 99 Montecillo RD, San Rafael, CA 94903
- Phone
- (415) 444-2000
- Enumerated
- Oct 25, 2006
- Record last updated
- Dec 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00A482870 CA
- Medicare enrollment
- Enrolled (PECOS I20110414000413); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest anatomic pathology physician records → All 386 in California → Look up another NPI →
Also registered at 99 Montecillo RD
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Verify Deborah Dayhoff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A48287Check 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
- Permanente Medical Group IncSan Rafael, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Deborah Dayhoff among 386 anatomic pathology physician records in California
Deborah Dayhoff, MD is one of 386 anatomic pathology physician records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 55% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated1986 · median 2000 among the 190 with a school on file
- Record last updated2021 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology Physician providers in California
There are 386 anatomic pathology physician records in California.
All 386 in California → Every provider in San Rafael → Anatomic Pathology Physician nationwide →
The 8 anatomic pathology physician records with the nearest ZIP codes
- Julie DeschSan Rafael, CA 949031780558973
- Elaine Engman, MDSan Rafael, CA 949031689748998
- Karen Pietila, MDSan Rafael, CA 949031720162795
- Erica Clayton, M.D.Greenbrae, CA 949041194959940
- Joseph Anderson, M.D.San Rafael, CA 949011003002494
- James Bennington, M.D.Belvedere, CA 949201154758548
- Deborah Greenberg, MDRichmond, CA 948011639255169
- Thomas Lorey, MDRichmond, CA 948011235289059
Common questions
What is Deborah Dayhoff, MD's NPI number?
Deborah Dayhoff, MD's National Provider Identifier (NPI) is 1255415329, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Deborah Dayhoff, MD located?
The NPPES record lists a practice address at 99 Montecillo RD, San Rafael, CA, 94903. Phone: (415) 444-2000. Providers update this record themselves, so call before visiting.
How can I verify Deborah Dayhoff, MD's license?
NPPES lists California license number A48287, 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.