Katherine Rose Michelfelder, PA
Physician Assistant · San Jose, CA
Katherine Rose Michelfelder, PA is a physician assistant with a practice address in San Jose, California, and NPI 1669192290, issued on Sep 1, 2022. Check the license (California PA63958, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Rose Michelfelder
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA63958 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1691 The Alameda, San Jose, CA 95126
- Phone
- (408) 287-7526
- Enumerated
- Sep 1, 2022
- Record last updated
- Mar 16, 2026
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 1691 The Alameda
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emmanuel Aglubat, NPFamily Nurse Practitioner1750904751
- Meghan Badinelli, RNRegistered Nurse1285336750
- Risa Bernasconi, FNPFamily Nurse Practitioner1326171984
- Louise Bruce, FNPFamily Nurse Practitioner1003008772
- Stephanie Chau, FNPFamily Nurse Practitioner1093461675
- Kellianne CraigPhysician Assistant1386041960
Verify Katherine Rose Michelfelder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA63958Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average physician assistant in 2024
13 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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.
Katherine Rose Michelfelder among 14,451 physician assistant records in California
Katherine Rose Michelfelder, 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 2022, is newer than 73% of them.
- NPI issued2022 · 73% of these records are older, 20% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2026 · 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).
221 physician assistant records list a practice address in San Jose
They are 221 of the 20,925 NPPES records with a practice address in San Jose, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Jose → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kellianne CraigSan Jose, CA 951261386041960
- Hayley DoSan Jose, CA 951261902455272
- Mara Hainor, PA-CSan Jose, CA 951261104146836
- Daniel Ngo, PA-CSan Jose, CA 951261649153396
- Jasmine NikzaiSan Jose, CA 951261881243657
- Khushali Patel, PA-CSan Jose, CA 951261740922251
- Judith Peto, PA-CSan Jose, CA 951261760702989
- Liane Christine Tongol, PA-CSan Jose, CA 951261447817309
Common questions
What is Katherine Rose Michelfelder, PA's NPI number?
Katherine Rose Michelfelder, PA's National Provider Identifier (NPI) is 1669192290, issued on Sep 1, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Rose Michelfelder, PA located?
The NPPES record lists a practice address at 1691 The Alameda, San Jose, CA, 95126. Phone: (408) 287-7526. Providers update this record themselves, so call before visiting.
How can I verify Katherine Rose Michelfelder, PA's license?
NPPES lists California license number PA63958, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Rose Michelfelder, PA prescribe under Medicare Part D?
In 2024, Katherine Rose Michelfelder, PA had 13 Medicare Part D claims; 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.