Chrisy T. Mafnas, M.D.
Anatomic Pathology Physician · Santa Clara, CA
Chrisy T. Mafnas, M.D. is an anatomic pathology physician with a practice address in Santa Clara, California, and NPI 1922328541, issued on Jun 4, 2010. Check the license (California A129190, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chrisy T. Mafnas
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology Physician 207ZP0101X
- License number
- A129190 CA
Self-reported in NPPES; status is on the state search - Practice location
- 700 Lawrence Expy, Santa Clara, CA 95051
- Phone
- (408) 851-1000
- Enumerated
- Jun 4, 2010
- Record last updated
- Aug 14, 2025
- Medicare enrollment
- Enrolled (PECOS I20161213002082); accepts Medicare assignment
- Medical or professional school
- University Of Hawaii John A. Burns School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest anatomic pathology physician records → All 386 in California → Look up another NPI →
Also registered at 700 Lawrence Expy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rose Abendroth, P.A-C PHDPhysician Assistant1568471126
- Joseph Adams, PHARMD.Pharmacist1851625024
- Netali AdielDoula1003770652
- Abdallah Al-ObaidiStudent in an Organized Health Care Education/Training Program1255133781
- Andrea Mae AlafrizPharmacist1770450967
- Andria AlbertStudent in an Organized Health Care Education/Training Program1992565493
Verify Chrisy T. Mafnas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A129190Check 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 IncSanta Clara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chrisy T. Mafnas among 386 anatomic pathology physician records in California
Chrisy T. Mafnas, M.D. 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 2010, is newer than 65% of them.
- NPI issued2010 · 65% of these records are older, 31% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2010 · median 2000 among the 190 with a school on file
- Record last updated2025 · 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 Santa Clara → Anatomic Pathology Physician nationwide →
The 8 anatomic pathology physician records with the nearest ZIP codes
- Laura Hofmeister, MDSanta Clara, CA 950511336211184
- Elena Hristova, MDSanta Clara, CA 950511710066857
- Phine Kiang, MDSanta Clara, CA 950511194802041
- Joelle Lambert, MDSanta Clara, CA 950511720165657
- Chaya Prasad, MDSanta Clara, CA 950511447337381
- Monica Santamaria-Fries, MDSanta Clara, CA 950511225102536
- Lauren Sumida, M.D.Santa Clara, CA 950511659632776
- Miluse Vitkova, MDSanta Clara, CA 950511184774986
Common questions
What is Chrisy T. Mafnas, M.D.'s NPI number?
Chrisy T. Mafnas, M.D.'s National Provider Identifier (NPI) is 1922328541, issued on Jun 4, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Chrisy T. Mafnas, M.D. located?
The NPPES record lists a practice address at 700 Lawrence Expy, Santa Clara, CA, 95051. Phone: (408) 851-1000. Providers update this record themselves, so call before visiting.
How can I verify Chrisy T. Mafnas, M.D.'s license?
NPPES lists California license number A129190, 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.