Kathryn Ashley Hawrylyshyn, MD
Anesthesiology Physician · Palo Alto, CA
Kathryn Ashley Hawrylyshyn, MD is an anesthesiology physician with a practice address in Palo Alto, California, and NPI 1144457516, issued on Jun 12, 2009. Check the license (California A113687, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kathryn Ashley Hawrylyshyn
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- A113687 CA
Self-reported in NPPES; status is on the state search - Practice location
- 795 EL Camino Real, Palo Alto, CA 94301
- Phone
- (650) 853-2894
- Enumerated
- Jun 12, 2009
- Record last updated
- May 29, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140129000891); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 795 EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kathryn Ashley Hawrylyshyn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A113687Check 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
- Sutter Bay Medical FoundationPalo Alto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathryn Ashley Hawrylyshyn among 7,571 anesthesiology physician records in California
Kathryn Ashley Hawrylyshyn, MD is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 61% of them.
- NPI issued2009 · 61% of these records are older, 35% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2009 · median 2006 among the 4,868 with a school on file
- Record last updated2020 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
111 anesthesiology physician records list a practice address in Palo Alto
They are 111 of the 7,617 NPPES records with a practice address in Palo Alto, and 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in Palo Alto → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Christopher Cartwright, M.D.Palo Alto, CA 943011023027950
- Chung-Ih John Chou, MDPalo Alto, CA 943011962411306
- John Cooper, M.D.Palo Alto, CA 943011114936564
- Paul Elcavage, MDPalo Alto, CA 943011942232228
- Helen Evans, MDPalo Alto, CA 943011508875808
- Michael FahmyPalo Alto, CA 943011194743427
- Kurt Fink, MDPalo Alto, CA 943011518911809
- Thomas Gaffey, M.D.Palo Alto, CA 943011881612190
Common questions
What is Kathryn Ashley Hawrylyshyn, MD's NPI number?
Kathryn Ashley Hawrylyshyn, MD's National Provider Identifier (NPI) is 1144457516, issued on Jun 12, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn Ashley Hawrylyshyn, MD located?
The NPPES record lists a practice address at 795 EL Camino Real, Palo Alto, CA, 94301. Phone: (650) 853-2894. Providers update this record themselves, so call before visiting.
How can I verify Kathryn Ashley Hawrylyshyn, MD's license?
NPPES lists California license number A113687, 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.