Alyssa Mathew-Joseph, DO
Anatomic Pathology & Clinical Pathology Physician · Stanford, CA
Alyssa Mathew-Joseph, DO is an anatomic pathology & clinical pathology physician with a practice address in Stanford, California, and NPI 1194303750, issued on Apr 1, 2021. Check the license (California 20A22492, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alyssa Mathew-Joseph
- Credential
- DO
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- 20A22492 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-7211
- Enumerated
- Apr 1, 2021
- Record last updated
- Mar 20, 2026
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 1,554 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alyssa Mathew-Joseph in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A22492Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $22.37
1 payment: food and beverage; the largest payer was Incyte Corporation. The 2,607 providers of this specialty with any payment received $3,565.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Alyssa Mathew-Joseph among 1,554 anatomic pathology & clinical pathology physician records in California
Alyssa Mathew-Joseph, DO is one of 1,554 anatomic pathology & clinical pathology physician records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 97% of them.
- NPI issued2021 · 97% of these records are older, 1% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2026 · 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 207ZP0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
116 anatomic pathology & clinical pathology physician records list a practice address in Stanford
They are 116 of the 5,606 NPPES records with a practice address in Stanford, and 1,554 anatomic pathology & clinical pathology physician records in California.
All 1,554 in California → Every provider in Stanford → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Kimberly Allison, MDStanford, CA 943051184661811
- Chisa Aoyama, MDStanford, CA 943051770599276
- Gerald Berry, MDStanford, CA 943051770678427
- David Bingham, MDStanford, CA 943051710072475
- Donald Born, MDStanford, CA 943051538259486
- Phyllis Cornbleet, MDStanford, CA 943051376616037
- Michael Hendrickson, MDStanford, CA 943051508956335
- Richard Hildebrandt, MDStanford, CA 943051679542237
Common questions
What is Alyssa Mathew-Joseph, DO's NPI number?
Alyssa Mathew-Joseph, DO's National Provider Identifier (NPI) is 1194303750, issued on Apr 1, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Alyssa Mathew-Joseph, DO located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-7211. Providers update this record themselves, so call before visiting.
How can I verify Alyssa Mathew-Joseph, DO's license?
NPPES lists California license number 20A22492, 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.