NPPES file of Aug 9, 2026

Ronald Alan Roiz, M.D.

Orthopaedic Surgery Physician · Loma Linda, CA

Ronald Alan Roiz, M.D. is an orthopaedic surgery physician with a practice address in Loma Linda, California, and NPI 1528443181, issued on Jul 24, 2015. Check the license (California A136897, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528443181
Name
Ronald Alan Roiz
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
A136897 CA
Self-reported in NPPES; status is on the state search
Practice location
11406 Loma Linda Dr Ste 226, Loma Linda, CA 92354
Phone
(909) 558-6444
Enumerated
Jul 24, 2015
Record last updated
Oct 1, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(909) 558-6118
Medicare enrollment
Enrolled (PECOS I20181005002065); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2013
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 11406 Loma Linda Dr Ste 226

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

  1. Anthony Essilfie, M.D.Sports Medicine (Orthopaedic Surgery) Physician1396155982
  2. Siamak Yasmeh, M.D.Orthopaedic Surgery of the Spine Physician1811320849

Verify Ronald Alan Roiz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A136897
    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
Open the California license search

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The practice group's MIPS final score for 2023 (Medicare payment program): 85.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score71.8
  2. Costout of 100 · 30%64.5
  3. Promoting interoperabilityout of 100 · 25%82.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,490.41

11 payments; by number, the most common kind was food and beverage; the largest payer was Globus Medical, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ronald Roiz$2,490
  2. Specialty average$23,023

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. Faculty Physicians And Surgeons OF LlusmLoma Linda, CA

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

Ronald Alan Roiz among 2,276 orthopaedic surgery physician records in California

Ronald Alan Roiz, M.D. is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% 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 84% of them.

  • NPI issued2015 · 84% of these records are older, 14% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2013 · median 2003 among the 1,347 with a school on file
  • Record last updated2019 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in California

There are 2,276 orthopaedic surgery physician records in California.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Ahmed Bata, MDLoma Linda, CA 923541184864423
  2. Gary Botimer, MDLoma Linda, CA 923541124018114
  3. William Bunnell, M.D.Loma Linda, CA 923541457389082
  4. Thomas Burgdorff, M.D.Loma Linda, CA 923541336182229
  5. Lindsay Hussey-Andersen, M.D.Loma Linda, CA 923541376988642
  6. Eric Lim, MDLoma Linda, CA 923541396952560
  7. Martin Morrison, M.D.Loma Linda, CA 923541326206335
  8. Scott Nelson, M.D.Loma Linda, CA 923541790876480

Common questions

What is Ronald Alan Roiz, M.D.'s NPI number?

Ronald Alan Roiz, M.D.'s National Provider Identifier (NPI) is 1528443181, issued on Jul 24, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Ronald Alan Roiz, M.D. located?

The NPPES record lists a practice address at 11406 Loma Linda Dr Ste 226, Loma Linda, CA, 92354. Phone: (909) 558-6444. Providers update this record themselves, so call before visiting.

How can I verify Ronald Alan Roiz, M.D.'s license?

NPPES lists California license number A136897, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Ronald Alan Roiz, M.D.'s MIPS final score?

The 2023 MIPS final score is 85.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.