Anne Elizabeth Callahan, PA-C
Medical Physician Assistant · San Ramon, CA
Anne Elizabeth Callahan, PA-C is a medical physician assistant with a practice address in San Ramon, California, and NPI 1891082483, issued on Jul 1, 2011. Check the license (California PA21622, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Anne Elizabeth Callahan
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA21622 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2262 Camino Ramon, San Ramon, CA 94583
- Phone
- (925) 328-0522
- Enumerated
- Jul 1, 2011
- Record last updated
- Jan 17, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (925) 328-0257
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 2262 Camino Ramon
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- William Ting, M.D.Dermatology Physician1235105446
Verify Anne Elizabeth Callahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA21622Check 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: $104.58
3 payments; by number, the most common kind was food and beverage; the largest payer was Galderma Laboratories, L.P. The 16,165 providers of this specialty with any payment received $1,055.00 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.
Anne Elizabeth Callahan among 3,376 medical physician assistant records in California
Anne Elizabeth Callahan, PA-C is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 46% of them.
- NPI issued2011 · 46% of these records are older, 49% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2013 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in San Ramon → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Allison Campbell, PASan Ramon, CA 945831831202019
- Julia Derenzi, PASan Ramon, CA 945831932369469
- Elinor Greenwald, PA-CSan Ramon, CA 945831922719939
- Erica Horton, PASan Ramon, CA 945831346271525
- Manveer HundalSan Ramon, CA 945831275280224
- Aiste MiliauskaiteSan Ramon, CA 945831528758018
- Timothy Sayles, PA-CSan Ramon, CA 945831851544712
- Michael Devereux, PA-CSunol, CA 945861225217979
Common questions
What is Anne Elizabeth Callahan, PA-C's NPI number?
Anne Elizabeth Callahan, PA-C's National Provider Identifier (NPI) is 1891082483, issued on Jul 1, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Anne Elizabeth Callahan, PA-C located?
The NPPES record lists a practice address at 2262 Camino Ramon, San Ramon, CA, 94583. Phone: (925) 328-0522. Providers update this record themselves, so call before visiting.
How can I verify Anne Elizabeth Callahan, PA-C's license?
NPPES lists California license number PA21622, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
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.