Mark Allen, PA-C
Physician Assistant · Chico, CA
Mark Allen, PA-C is a physician assistant with a practice address in Chico, California, and NPI 1609254309, issued on May 13, 2015. Check the license (California PA52453, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Allen
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA52453 CA
Self-reported in NPPES; status is on the state search - Practice location
- 376 Vallombrosa Ave, Chico, CA 95926
- Phone
- (530) 891-1676
- Enumerated
- May 13, 2015
- Record last updated
- Sep 30, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20201026002512); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 376 Vallombrosa Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Allen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA52453Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% more Medicare Part D claims than the average physician assistant in 2024
1,484 Medicare Part D claims for 864 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 34 claims were for opioids.
Most prescribed
- Prednisone199 claims
- Methylprednisolone178 claims
- Azithromycin150 claims
- Cephalexin149 claims
- Amoxicillin66 claims
- Albuterol Sulfate Hfa64 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.
Industry payments in 2024: $63.76
3 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Eric L Ellis MD IncRoseville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Allen among 14,451 physician assistant records in California
Mark Allen, 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 2015, is newer than 41% of them.
- NPI issued2015 · 41% of these records are older, 56% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2014 · median 2018 among the 7,214 with a school on file
- Record last updated2015 · 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).
47 physician assistant records list a practice address in Chico
They are 47 of the 3,684 NPPES records with a practice address in Chico, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Chico → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kelley Alvarez, P.A.Chico, CA 959261912393448
- Michael Bertain, PA-CChico, CA 959261679608079
- Joshua Calderon, PA-CChico, CA 959261356643621
- Renee Christenson, MPAS, PA-CChico, CA 959261578514493
- Stephen Grant, PA-CChico, CA 959261366515322
- Cynthia Hale, PAChico, CA 959261902092786
- Shelly Martinek, PA-CChico, CA 959261255483160
- Patrick Milburn, PA-CChico, CA 959261144428590
Common questions
What is Mark Allen, PA-C's NPI number?
Mark Allen, PA-C's National Provider Identifier (NPI) is 1609254309, issued on May 13, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Mark Allen, PA-C located?
The NPPES record lists a practice address at 376 Vallombrosa Ave, Chico, CA, 95926. Phone: (530) 891-1676. Providers update this record themselves, so call before visiting.
How can I verify Mark Allen, PA-C's license?
NPPES lists California license number PA52453, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Allen, PA-C prescribe under Medicare Part D?
In 2024, Mark Allen, PA-C had 1,484 Medicare Part D claims for 864 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.