MS. CATHERINE HELEN TOPOR DIAZ PA-C
NPI 1922417625
Physician Assistant in Reno, NV

Q: What is Catherine Topor Diaz's NPI number?

The NPI number for Catherine Topor Diaz is 1922417625. It was assigned to this individual provider in the NPPES registry on August 6, 2014. The provider is also known as Catherine Helen Topor Pa-C.

Q: What is Catherine Topor Diaz's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Active since August 06, 2014PECOS EnrolledAccepts Medicare Assignment

84.53/100

CMS Quality Rating

975 RYLAND ST STE 100, RENO, NV 89502(775) 982-5000(775) 982-5225 Get Directions Write a Review

NPPES record last updated: February 6, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Ms. Catherine Helen Topor Diaz Pa-c NPPES

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

MS. CATHERINE HELEN TOPOR DIAZ PA-C (NPI 1922417625) is an individual physician assistant in Reno, Nevada, licensed in Nevada (PA1892) and active in the NPI registry since August 2014. She is enrolled in Medicare PECOS, is affiliated with Renown Regional Medical Center, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1922417625

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameMS. CATHERINE HELEN TOPOR DIAZCredential: PA-C

Location Address975 RYLAND ST STE 100Reno, NV 89502-1669

Mailing Address1155 Mill St Mcm14Reno, NV 89502 · (775) 982-5262 · Fax (775) 982-5496

Phone(775) 982-5000

Fax(775) 982-5225

Sole ProprietorYes

Medical School CMSOtherGraduated 2014

Enumeration DateAugust 6, 2014

Last NPPES UpdateFebruary 6, 2026

NPPES CertifiedFebruary 6, 2026

✔ NPI 1922417625 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in NV · PA1892

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

975 RYLAND ST STE 100, Reno, NV 89502

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Other Names 1

Former Name (1)Catherine Helen Topor Pa-c

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

Ms. Catherine Helen Topor Diaz Pa-c 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 ID4082836945

PECOS Enrollment IDI20171201001908

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 4

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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

219 services215 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

145 services141 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

88 services87 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

58 services56 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Renown Regional Medical Center

Acute Care Hospitals · Reno, NV

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number290001

Location1155 Mill StreetReno, NV 89502 · Washoe County

Emergency services Birthing friendly

Carson Tahoe Regional Medical Center

Acute Care Hospitals · Carson City, NV

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number290019

Location1600 Medical ParkwayCarson City, NV 89703 · Carson City County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89502 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

$88.51 typical visit price

range $57.07 – $173.24

Typical copayment $22.12 (range $14.26 – $43.31)

Most-billed visit code 99203

Established Patient

$71.14 typical visit price

range $18.27 – $140.96

Typical copayment $17.78 (range $4.56 – $35.24)

Most-billed visit code 99213

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.

84.53/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

81.81

Improvement Activities

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.

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