What is Mary Porvaznik's specialty?

Mary Porvaznik (NPI 1871582635) is a Medicare-billing provider whose primary specialty is Family Practice in Flagstaff, AZ.

Where does Mary Porvaznik practice?

Mary Porvaznik practices in Flagstaff, AZ, based on the location reported in the CMS Medicare provider datasets for NPI 1871582635.

How much does Medicare pay Mary Porvaznik?

Mary Porvaznik (NPI 1871582635) received approximately $41K in total Medicare Part B payments, serving 231 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1871582635

Mary PorvaznikMD

Family PracticeFlagstaff, AZI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

383

Unique beneficiaries

—

Total services

507

Distinct HCPCS

Medicare payment

$34K

Peer benchmark

Total Medicare services vs. 1,613 Family Practice providers in AZ — above median (cohort median 623).

PRESCRIBING · PART D · 2024

Total Rx claims

2,738

Beneficiaries

—

Total drug cost

$179K

Distinct drugs

Brand share

15.0%

Top prescribed drugs

Levothyroxine Sodium249 claims

Atorvastatin Calcium247 claims

Losartan Potassium155 claims

Lisinopril149 claims

Metformin Hcl137 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Mary Porvaznik's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 3 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SAN JUAN REGIONAL MEDICAL CENTER, INC.	29	114
David Greenberg Family Practice · Durango, CO	21	45
Angelique Pflueger Diagnostic Radiology · Shiprock, NM	13	23

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events