DR. GREGORY NICHOLAS MATWIYOFF M.D.
NPI 1932248093
Internal Medicine - Pulmonary Disease in Reno, NV

Q: What is Gregory Matwiyoff's NPI number?

The NPI number for Gregory Matwiyoff is 1932248093. It was assigned to this individual provider in the NPPES registry on February 5, 2007.

Q: What is Gregory Matwiyoff's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Matwiyoff was last updated on March 5, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since February 05, 2007PECOS EnrolledAccepts Medicare Assignment

1500 E 2ND ST STE 302, RENO, NV 89502(775) 982-5000(775) 982-3900 Get Directions Write a Review

NPPES record last updated: March 5, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Dr. Gregory Nicholas Matwiyoff M.d. NPPES

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

DR. GREGORY NICHOLAS MATWIYOFF M.D. (NPI 1932248093) is an individual pulmonary disease provider in Reno, Nevada, licensed in Nevada (25119) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Renown Regional Medical Center, and maintains a secondary practice location in Reno.

NPPES Registry Identity

NPI1932248093

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameDR. GREGORY NICHOLAS MATWIYOFFCredential: M.D.

Location Address1500 E 2ND ST STE 302Reno, NV 89502-1198

Mailing Address1155 Mill St, Ms M-14Reno, NV 89502-1576 · (775) 982-5262 · Fax (775) 982-3900

Phone(775) 982-5000

Fax(775) 982-3900

Sole ProprietorNo

Medical School CMSUniversity Of New Mexico School Of MedicineGraduated 1998

Enumeration DateFebruary 5, 2007

Last NPPES UpdateMarch 5, 2026

NPPES CertifiedMarch 5, 2026

✔ NPI 1932248093 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in NV · 25119

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 25119 (NV)

Also ListedInternal Medicine · Sleep MedicineTaxonomy 207RS0012X · License 25119 (NV)

1500 E 2ND ST STE 302, Reno, NV 89502

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Secondary Practice Location 1

Location 110085 Double R Blvd Ste 325Reno, NV 89521-4832 · Phone (775) 982-5000 · Fax (775) 982-3900

Other Identifiers 1

OtherVAD0000Dod

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

Dr. Gregory Nicholas Matwiyoff 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 ID1254563943

PECOS Enrollment IDI20260320003723

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.

Hospital Affiliations CMS Care Compare

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

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

$131.25 typical visit price

range $57.07 – $173.24

Typical copayment $32.81 (range $14.26 – $43.31)

Most-billed visit code 99204

Established Patient

$100.60 typical visit price

range $18.27 – $140.96

Typical copayment $25.15 (range $4.56 – $35.24)

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.

Referred Medical Equipment & Supplies CMS DME claims 13

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

2 suppliers13 claims13 services$67.80 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

2 suppliers12 claims36 services$26.87 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

4 suppliers12 claims72 services$11.50 avg. paid by Medicare

Pillow for use on nasal cannula type interface, replacement only, pair A7033

DME-Other DME · category DE001N

1 supplier22 claims132 services$12.15 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

4 suppliers33 claims33 services$41.04 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

4 suppliers28 claims28 services$15.07 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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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.

MR. KENNETH JOSEPH BROWN FNP-C

Nurse Practitioner (Family)