Callie Phillips
Physician Assistant · Lafayette, CA
Callie Phillips is a physician assistant with a practice address in Lafayette, California, and NPI 1639682164, issued on Nov 6, 2017. Check the license (California 55351, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Callie Phillips
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 55351 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3441 Golden Gate Way Apt D, Lafayette, CA 94549
- Phone
- (925) 876-1759
- Enumerated
- Nov 6, 2017
- Record last updated
- Jan 3, 2022
- Medicare enrollment
- Enrolled (PECOS I20180327002957); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Verify Callie Phillips in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 55351Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average physician assistant in 2024
159 Medicare Part D claims for 69 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 27 claims were for opioids.
Most prescribed
- Meloxicam55 claims
- Ondansetron Odt25 claims
- Omeprazole22 claims
- Oxycodone Hcl17 claims
- Ibuprofen13 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
- Permanente Medical Group IncRichmond, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Callie Phillips among 14,451 physician assistant records in California
Callie Phillips 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 2017, is newer than 47% of them.
- NPI issued2017 · 47% of these records are older, 48% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2017 · median 2018 among the 7,214 with a school on file
- Record last updated2022 · 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).
Physician Assistant providers in California
There are 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Lafayette → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Ani Akopyan, PA-CLafayette, CA 945491881114486
- Elizabeth Sivesind, P.A.-C.Lafayette, CA 945491629318951
- Matthew Stephen, PA-CLafayette, CA 945491629591383
- Jessica Cuellar, PA-CLivermore, CA 945501710525605
- Reta Samimi, PA-CLivermore, CA 945501790322253
- Sheena Mae Aguilar, PA-CHercules, CA 945471659141430
- Amy ChoyHercules, CA 945471063822187
- Wendy Mazursky, PA-C, MSHercules, CA 945471255425583
Common questions
What is Callie Phillips's NPI number?
Callie Phillips's National Provider Identifier (NPI) is 1639682164, issued on Nov 6, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Callie Phillips located?
The NPPES record lists a practice address at 3441 Golden Gate Way Apt D, Lafayette, CA, 94549. Phone: (925) 876-1759. Providers update this record themselves, so call before visiting.
How can I verify Callie Phillips's license?
NPPES lists California license number 55351, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Callie Phillips prescribe under Medicare Part D?
In 2024, Callie Phillips had 159 Medicare Part D claims for 69 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.