Registry data as of Aug 27, 2026

Roberta Allen, PA

Physician Assistant · Davis, CA

Roberta Allen, PA is a physician assistant with a practice address in Davis, California, and NPI 1508877382, issued on Aug 10, 2006. Check the license (California NP15895, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1508877382
Name
Roberta Allen
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License numbers
NP15895 CA
PA18229 CA
Self-reported in NPPES; status is on the state search
Practice location
2020 Sutter PL, Davis, CA 95616
Phone
(530) 750-5900
Enumerated
Aug 10, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2020 Sutter PL

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Eric Bailey, ATCAthletic Trainer1841706140
  2. Sheri Belafsky, M.D.Preventive Medicine/Occupational Environmental Medicine Physician1811011406
  3. Jack Berger, MDFamily Medicine Physician1891873477
  4. Anne Marie Bisson, PAPhysician Assistant1154333201
  5. Kimberly Breneisen, M.D.Pediatrics Physician1831101997
  6. Arfan Din, DOFamily Medicine Physician1124139803

Verify Roberta Allen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license NP15895
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

74% fewer Medicare Part D claims than the average physician assistant in 2024

220 Medicare Part D claims for 180 beneficiaries, against an average of 832 among the 95,030 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Roberta Allen220
  2. Specialty average832

Most prescribed

  1. Cephalexin47 claims
  2. Amoxicillin-Clavulanate Potass28 claims
  3. Doxycycline Hyclate15 claims
  4. Albuterol Sulfate Hfa14 claims
  5. Fluconazole11 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.

One hospital or facility affiliation

  1. Sutter Valley Medical FoundationSacramento, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

17 physician assistant records list a Davis practice address

They are 17 of the 1,711 NPPES records with a Davis practice address, and 13,861 physician assistant records in California.

Other physician assistant records in California

  1. Marcia -Galbraith, PAStockton, CA1407143274
  2. Danny Abad, PAOrange, CA1477158673
  3. Lea Dominique Abadies, PATustin, CA1124754254
  4. Rea Elizabeth Abaniel, P.A.-CSeal Beach, CA1396173621
  5. Ramina Abbasi, PA-CSignal Hill, CA1093448300
  6. Ariel Abbott, PA-CStockton, CA1780334342
  7. Barrie Abbott, PA-CAnza, CA1861602575
  8. Elizabeth Abbott, PA-CSan Diego, CA1437540762
  9. Angela Abboud, MMS, PA-CSanta Rosa, CA1114399334
  10. Fatimeh Abdallah, P.A.-CNewport Beach, CA1487002218

Common questions

What is Roberta Allen, PA's NPI number?

Roberta Allen, PA's National Provider Identifier (NPI) is 1508877382, issued on Aug 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Roberta Allen, PA located?

The NPPES record lists a practice address at 2020 Sutter PL, Davis, CA, 95616. Phone: (530) 750-5900. Providers update this record themselves, so call before visiting.

How can I verify Roberta Allen, PA's license?

NPPES lists California license number NP15895, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Roberta Allen, PA prescribe under Medicare Part D?

In 2024, Roberta Allen, PA had 220 Medicare Part D claims for 180 beneficiaries; the average among physician assistant prescribers was 832. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.