Katie Mares, PA
Physician Assistant · Santa Cruz, CA
Katie Mares, PA is a physician assistant with a practice address in Santa Cruz, California, and NPI 1700575446, issued on May 8, 2023. Check the license (California 62677, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katie Mares
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 62677 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1662 Dominican Way, Santa Cruz, CA 95065
- Phone
- (831) 460-7350
- Enumerated
- May 8, 2023
- Record last updated
- Sep 29, 2023
- Fax
- (831) 460-7351
- Medicare enrollment
- Enrolled (PECOS I20231005000483); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 1662 Dominican Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- John Dorosin, PA-CPhysician Assistant1114107018
- Lindsey EverettPhysician Assistant1902410632
- Krish GandhiGastroenterology Physician1215382080
- Kourosh Ghassemi, MDGastroenterology Physician1215016969
Verify Katie Mares in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 62677Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% more Medicare Part D claims than the average physician assistant in 2024
885 Medicare Part D claims for 578 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Gavilyte-G273 claims
- Omeprazole148 claims
- Peg-3350 And Electrolytes92 claims
- Pantoprazole Sodium71 claims
- Sod Sulf-Potass Sulf-Mag Sulf60 claims
- Famotidine39 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Sutter Bay Medical FoundationSanta Cruz, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katie Mares among 14,451 physician assistant records in California
Katie Mares, PA 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 2023, is newer than 80% of them.
- NPI issued2023 · 80% of these records are older, 13% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2022 · median 2018 among the 7,214 with a school on file
- Record last updated2023 · 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).
94 physician assistant records list a practice address in Santa Cruz
They are 94 of the 5,138 NPPES records with a practice address in Santa Cruz, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Santa Cruz → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Acelina AlvarezSanta Cruz, CA 950651992775431
- Mark Buraczynski, PA-CSanta Cruz, CA 950651336277441
- Charles GrenierSanta Cruz, CA 950651932179868
- David Keenan, PA-CSanta Cruz, CA 950651225167208
- Sharon Kluger, PA-CSanta Cruz, CA 950651063581668
- Daniel Manion, PASanta Cruz, CA 950651821145749
- Brian Martin, PACSanta Cruz, CA 950651639182843
- Scott Merlo, PASanta Cruz, CA 950651952479644
Common questions
What is Katie Mares, PA's NPI number?
Katie Mares, PA's National Provider Identifier (NPI) is 1700575446, issued on May 8, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Katie Mares, PA located?
The NPPES record lists a practice address at 1662 Dominican Way, Santa Cruz, CA, 95065. Phone: (831) 460-7350. Providers update this record themselves, so call before visiting.
How can I verify Katie Mares, PA's license?
NPPES lists California license number 62677, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Katie Mares, PA prescribe under Medicare Part D?
In 2024, Katie Mares, PA had 885 Medicare Part D claims for 578 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions 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.