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RONALDO DARIO GNASS M.D.
NPI 1922471895
Pathology - Anatomic Pathology in Moreno Valley, CA

Active since November 02, 2015PECOS EnrolledAccepts Medicare Assignment
85.18/100
CMS Quality Rating
26520 CACTUS AVE, MORENO VALLEY, CA 92555(951) 486-5255(951) 486-5270 Get Directions Write a Review

NPPES record last updated: December 13, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ronaldo Dario Gnass M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RONALDO DARIO GNASS M.D. (NPI 1922471895) is an individual anatomic pathology provider in Moreno Valley, California, licensed in California (A103463) and active in the NPI registry since November 2015. He is enrolled in Medicare PECOS and is a graduate of Other (1982).

NPPES Registry Identity

NPI1922471895
Entity TypeIndividualMale
Primary Taxonomy207ZP0101X
Provider Legal NameRONALDO DARIO GNASSCredential: M.D.
Location Address26520 CACTUS AVEMoreno Valley, CA 92555-3927
Mailing Address26520 Cactus AveMoreno Valley, CA 92555-3927 · (951) 486-5255 · Fax (951) 486-5270
Phone(951) 486-5255
Fax(951) 486-5270
Sole ProprietorNo
Medical School CMSOtherGraduated 1982
Enumeration DateNovember 2, 2015
Last NPPES UpdateDecember 13, 2016
✔ NPI 1922471895 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0101X
License✔ Licensed in CA · A103463
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
26520 CACTUS AVE, Moreno Valley, CA 92555
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ronaldo Dario Gnass M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID42593048
PECOS Enrollment IDI20170217001608
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
53 services31 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92555 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

85.18/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.81
Promoting Interoperability82
Improvement Activities40
Cost64.54

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARINA BOYARSKY M.D.
Student in an Organized Health Care Education/Training Program
26520 CACTUS AVE, FAMILY MEDICINE RESIDENCY PROGRAM
MORENO VALLEY, CA 92555
Riverside County (951) 486-5611
DR. THU KIEU NGUYEN HUYNH PHARM.D.
Pharmacist
26520 CACTUS AVE
MORENO VALLEY, CA 92555
Riverside County (951) 486-4613
ASHA PATEL RAJ DO
Family Medicine
26520 CACTUS AVE
MORENO VALLEY, CA 92555
Riverside County (714) 904-8341
COUNTY OF RIVERSIDE
Clinic/Center (Primary Care)
26520 CACTUS AVE
MORENO VALLEY, CA 92555
Riverside County (951) 486-4000
MERETT W SAAD DO
Student in an Organized Health Care Education/Training Program
26520 CACTUS AVE
MORENO VALLEY, CA 92555
Riverside County (951) 486-4000
GRACE SHINN
Pharmacist (Emergency Medicine)
26520 CACTUS AVE
MORENO VALLEY, CA 92555
Riverside County (951) 486-4000
NOLAN S LANGFORD
Student in an Organized Health Care Education/Training Program
26520 CACTUS AVE
MORENO VALLEY, CA 92555
Riverside County (951) 486-5434
DR. MY NGUYEN D.O.
Pediatrics
26520 CACTUS AVE
MORENO VALLEY, CA 92555
Riverside County (951) 486-4000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ronaldo Gnass's NPI number?

The NPI number for Ronaldo Gnass is 1922471895. It was assigned to this individual provider in the NPPES registry on November 2, 2015.

Where is Ronaldo Gnass located?

Ronaldo Gnass practices at 26520 Cactus Ave, Moreno Valley, CA 92555. The listed phone number is (951) 486-5255.

What is Ronaldo Gnass's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.

Is Ronaldo Gnass enrolled in Medicare?

Yes. Ronaldo Gnass is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Ronaldo Gnass was last updated on December 13, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.