NPPES file of Aug 9, 2026

Maureen Gerard Warren, PA-C

Surgical Physician Assistant · Redlands, CA

Maureen Gerard Warren, PA-C is a surgical physician assistant with a practice address in Redlands, California, and NPI 1215238100, issued on Nov 8, 2010. Check the license (California PA22725, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215238100
Name
Maureen Gerard Warren
Credential
PA-C
Primary taxonomy
Surgical Physician Assistant 363AS0400X
License number
PA22725 CA
Self-reported in NPPES; status is on the state search
Practice location
2 W Fern Ave, Redlands, CA 92373
Phone
(909) 793-3311
Enumerated
Nov 8, 2010
Record last updated
Jan 18, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(909) 793-2916
Medicare enrollment
Enrolled (PECOS I20130220000191); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2 W Fern Ave

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

  1. Nkeiruka Abanobi, NPWomen's Health Nurse Practitioner1982009007
  2. Hanan Abu Alnaaj, MDFamily Medicine Physician1235319385
  3. James Agee, M.D.Urology Physician1851345722
  4. Arun Agrawal, D.O.Anesthesiology Physician1184677650
  5. Amanda Aguilera, M.D.Diagnostic Radiology Physician1679782049
  6. Onyinye Ahamba, M.DHospitalist Physician1164835237

Verify Maureen Gerard Warren 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 PA22725
    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.

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Industry payments in 2024: $155.18

1 payment: food and beverage; the largest payer was Becton, Dickinson and Company. The 7,578 providers of this specialty with any payment received $703.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Maureen Warren$155.18
  2. Specialty average$703.95

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

  1. G O M G A Medical PartnershipLa Mesa, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Maureen Gerard Warren among 1,075 surgical physician assistant records in California

Maureen Gerard Warren, PA-C is one of 1,075 surgical physician assistant records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 49% of them.

  • NPI issued2010 · 49% of these records are older, 47% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2010 · median 2012 among the 649 with a school on file
  • Record last updated2013 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Physician Assistant providers in California

There are 1,075 surgical physician assistant records in California.

The 8 surgical physician assistant records with the nearest ZIP codes

  1. Gerardo Arreguin, P.ARedlands, CA 923731033413455
  2. Andre Blake, P.A.Redlands, CA 923731588655682
  3. Veronica Coen, PA-CRedlands, CA 923731588474076
  4. Eduardo Ronquillo, PA-C, PTARedlands, CA 923741891833786
  5. Leigh Ballou, PA-CLoma Linda, CA 923541891794657
  6. Andrea RidaLoma Linda, CA 923541629541354
  7. Jason Roddick, PA-CLoma Linda, CA 923541164509899
  8. O. Shattuck, P.A.Loma Linda, CA 923541568569598

Common questions

What is Maureen Gerard Warren, PA-C's NPI number?

Maureen Gerard Warren, PA-C's National Provider Identifier (NPI) is 1215238100, issued on Nov 8, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Maureen Gerard Warren, PA-C located?

The NPPES record lists a practice address at 2 W Fern Ave, Redlands, CA, 92373. Phone: (909) 793-3311. Providers update this record themselves, so call before visiting.

How can I verify Maureen Gerard Warren, PA-C's license?

NPPES lists California license number PA22725, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.