NPPES file of Aug 9, 2026

Eduardo Dy Ronquillo, PA-C, PTA

Surgical Physician Assistant · Redlands, CA

Eduardo Dy Ronquillo, PA-C, PTA is a surgical physician assistant with a practice address in Redlands, California, and NPI 1891833786, issued on Feb 2, 2007. Check the license (California 52160, 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
1891833786
Name
Eduardo Dy Ronquillo
Credential
PA-C, PTA
Primary taxonomy
Surgical Physician Assistant 363AS0400X
License numbers
52160 CA
AT 6459 CA
Self-reported in NPPES; status is on the state search
Practice location
1901 W Lugonia Ave, Redlands, CA 92374
Phone
(909) 557-1600
Enumerated
Feb 2, 2007
Record last updated
Dec 27, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(909) 557-1732
Medicare enrollment
Enrolled (PECOS I20150316000111); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 1901 W Lugonia Ave

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

  1. Aaron Carl Baltazar, OTR/LOccupational Therapist1841698610
  2. Jessica Batterson, MSN, RN, FNP-BCFamily Nurse Practitioner1093327744
  3. Rachelle Bennie, OTR/LOccupational Therapist1093754061
  4. Sara Davey, RN, CNOR, RNFARegistered Nurse First Assistant1235978719
  5. Matthew FrydendallPhysician Assistant1396317517
  6. Zachary Hadley, M.D.Orthopaedic Surgery Physician1750596631

Verify Eduardo Dy Ronquillo 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 52160
    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

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80% fewer Medicare Part D claims than the average surgical physician assistant in 2024

62 Medicare Part D claims for 44 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 32 claims were for opioids.

  1. Eduardo Ronquillo62
  2. Specialty average304

Most prescribed

  1. Tramadol Hcl18 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

  1. Southern California Permanente Medical GroupRiverside, CA

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

Eduardo Dy Ronquillo among 1,075 surgical physician assistant records in California

Eduardo Dy Ronquillo, PA-C, PTA 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 2007, is newer than 26% of them.

  • NPI issued2007 · 26% of these records are older, 59% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2014 · median 2012 among the 649 with a school on file
  • Record last updated2021 · 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. Maureen Warren, PA-CRedlands, CA 923731215238100
  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 Eduardo Dy Ronquillo, PA-C, PTA's NPI number?

Eduardo Dy Ronquillo, PA-C, PTA's National Provider Identifier (NPI) is 1891833786, issued on Feb 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Eduardo Dy Ronquillo, PA-C, PTA located?

The NPPES record lists a practice address at 1901 W Lugonia Ave, Redlands, CA, 92374. Phone: (909) 557-1600. Providers update this record themselves, so call before visiting.

How can I verify Eduardo Dy Ronquillo, PA-C, PTA's license?

NPPES lists California license number 52160, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Eduardo Dy Ronquillo, PA-C, PTA prescribe under Medicare Part D?

In 2024, Eduardo Dy Ronquillo, PA-C, PTA had 62 Medicare Part D claims for 44 beneficiaries; the average among surgical physician assistant prescribers was 304. 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.