Ronaldo Dario Gnass, M.D.
Anatomic Pathology Physician · Moreno Valley, CA
Ronaldo Dario Gnass, M.D. is an anatomic pathology physician with a practice address in Moreno Valley, California, and NPI 1922471895, issued on Nov 2, 2015. Check the license (California A103463, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ronaldo Dario Gnass
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology Physician 207ZP0101X
- License number
- A103463 CA
Self-reported in NPPES; status is on the state search - Practice location
- 26520 Cactus Ave, Moreno Valley, CA 92555
- Phone
- (951) 486-5255
- Enumerated
- Nov 2, 2015
- Record last updated
- Dec 13, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (951) 486-5270
- Medicare enrollment
- Enrolled (PECOS I20170217001608); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anatomic pathology physician records → All 386 in California → Look up another NPI →
Also registered at 26520 Cactus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ihab Abed, MDStudent in an Organized Health Care Education/Training Program1912830514
- Mohamed Abu-Qaoud, M.D.Internal Medicine Physician1366635534
- Barbara Ackerman, PH.D.Clinical Psychologist1639126410
- Sana Afroz, MDRheumatology Physician1356724074
- Georgina Aguilar-Portillo, MDFamily Medicine Physician1144804691
- Adolfo Aguilera, MDFamily Medicine Physician1477609808
Verify Ronaldo Dario Gnass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A103463Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $17.30
1 payment: food and beverage; the largest payer was Abbott Laboratories. The 382 providers of this specialty with any payment received $3,145.53 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
- Faculty Physicians And Surgeons OF LlusmMoreno Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronaldo Dario Gnass among 386 anatomic pathology physician records in California
Ronaldo Dario Gnass, M.D. is one of 386 anatomic pathology physician records with a practice address in California. 56% 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 77% of them.
- NPI issued2015 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated1982 · median 2000 among the 190 with a school on file
- Record last updated2016 · 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 207ZP0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology Physician providers in California
There are 386 anatomic pathology physician records in California.
All 386 in California → Every provider in Moreno Valley → Anatomic Pathology Physician nationwide →
The 8 anatomic pathology physician records with the nearest ZIP codes
- Tuong-Van Dao, H.H.P.Temecula, CA 925921528208626
- Robert Propst, DORiverside, CA 925051457849739
- Robert Stroup, MDIrvine, CA 926121417073677
- Paul Flanagan, M.D.Costa Mesa, CA 926261992013635
- Kenneth Bloom, M.D.Aliso Viejo, CA 926561023399177
- Lawrence Weiss, M.D.Aliso Viejo, CA 926561356308159
- Mani Ehteshami, MDNewport Beach, CA 926571295704047
- James Thompson, M.D. PH.D.Ladera Ranch, CA 926941093920159
Common questions
What is Ronaldo Dario Gnass, M.D.'s NPI number?
Ronaldo Dario Gnass, M.D.'s National Provider Identifier (NPI) is 1922471895, issued on Nov 2, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Ronaldo Dario Gnass, M.D. located?
The NPPES record lists a practice address at 26520 Cactus Ave, Moreno Valley, CA, 92555. Phone: (951) 486-5255. Providers update this record themselves, so call before visiting.
How can I verify Ronaldo Dario Gnass, M.D.'s license?
NPPES lists California license number A103463, 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 Ronaldo Dario Gnass, 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.