Heidi M. Keesis, PA-C
Physician Assistant · Los Altos, CA
Heidi M. Keesis, PA-C is a physician assistant with a practice address in Los Altos, California, and NPI 1871809574, issued on Aug 19, 2010. Check the license (California 17824, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Heidi M. Keesis
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 17824 CA
Self-reported in NPPES; status is on the state search - Practice location
- 715 Altos Oaks Dr, Los Altos, CA 94024
- Phone
- (650) 934-7020
- Enumerated
- Aug 19, 2010
- Record last updated
- Jun 4, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 715 Altos Oaks Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anne Deluca, FNP-CNurse Practitioner1982270542
Verify Heidi M. Keesis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 17824Check 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: $347.89
14 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 64,719 providers of this specialty with any payment received $841.65 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.
Heidi M. Keesis among 14,451 physician assistant records in California
Heidi M. Keesis, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% 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 27% of them.
- NPI issued2010 · 27% of these records are older, 70% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2020 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 physician assistant records list a practice address in Los Altos
They are 8 of the 718 NPPES records with a practice address in Los Altos, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Los Altos → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Ganna Baetge, PA-CLos Altos, CA 940241174883250
- Angela HavenLos Altos, CA 940241679148514
- Christine Hurley, PA-CLos Altos, CA 940241942866165
- Linda Nguyen, PA-CMenlo Park, CA 940251104670108
- Thuy Phuong, PA-CMenlo Park, CA 940251851218648
- Jeffrey Powers, PAMenlo Park, CA 940251891965448
- Kunani TuttleMenlo Park, CA 940251821876418
- Holly Chow, PA-CLos Altos, CA 940221033742648
Common questions
What is Heidi M. Keesis, PA-C's NPI number?
Heidi M. Keesis, PA-C's National Provider Identifier (NPI) is 1871809574, issued on Aug 19, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Heidi M. Keesis, PA-C located?
The NPPES record lists a practice address at 715 Altos Oaks Dr, Los Altos, CA, 94024. Phone: (650) 934-7020. Providers update this record themselves, so call before visiting.
How can I verify Heidi M. Keesis, PA-C's license?
NPPES lists California license number 17824, 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.