Mackenzie Upton, PA-C
Physician Assistant · Turlock, CA
Mackenzie Upton, PA-C is a physician assistant with a practice address in Turlock, California, and NPI 1861251167, issued on Mar 18, 2024. Check the license (California PA64256, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mackenzie Upton
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA64256 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 W Main St, Turlock, CA 95380
- Phone
- (209) 722-4842
- Enumerated
- Mar 18, 2024
- Record last updated
- Dec 15, 2025
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 1200 W Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alfayo Michira, PAMedical Physician Assistant1245866086
Verify Mackenzie Upton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA64256Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average physician assistant in 2024
478 Medicare Part D claims for 155 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Metformin Hcl43 claims
- Atorvastatin Calcium29 claims
- Albuterol Sulfate Hfa26 claims
- Lisinopril20 claims
- Amlodipine Besylate18 claims
- Gabapentin18 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.
Mackenzie Upton among 14,451 physician assistant records in California
Mackenzie Upton, 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 2024, is newer than 87% of them.
- NPI issued2024 · 87% of these records are older, 7% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2025 · 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).
29 physician assistant records list a practice address in Turlock
They are 29 of the 1,343 NPPES records with a practice address in Turlock, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Turlock → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Christine Cavanaugh, PATurlock, CA 953801871548115
- Leticia DiazTurlock, CA 953801346882800
- Jarrod Doering, PA-CTurlock, CA 953801114466679
- Ryan Higgins, PATurlock, CA 953801205482601
- Melanie Houser, PA-CTurlock, CA 953801356786123
- Cassandra Blackwell, P.A.Tuolumne, CA 953791265476964
- Nicole Rincon, PA-CTuolumne, CA 953791023205903
- Teresa Campbell, PA-CTurlock, CA 953821164574646
Common questions
What is Mackenzie Upton, PA-C's NPI number?
Mackenzie Upton, PA-C's National Provider Identifier (NPI) is 1861251167, issued on Mar 18, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Mackenzie Upton, PA-C located?
The NPPES record lists a practice address at 1200 W Main St, Turlock, CA, 95380. Phone: (209) 722-4842. Providers update this record themselves, so call before visiting.
How can I verify Mackenzie Upton, PA-C's license?
NPPES lists California license number PA64256, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mackenzie Upton, PA-C prescribe under Medicare Part D?
In 2024, Mackenzie Upton, PA-C had 478 Medicare Part D claims for 155 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.