What is Mary Markiewitz's specialty?

Mary Markiewitz (NPI 1063588044) is a Medicare-billing provider whose primary specialty is Physician Assistant in Sacramento, CA.

Where does Mary Markiewitz practice?

Mary Markiewitz practices in Sacramento, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1063588044.

How much does Medicare pay Mary Markiewitz?

Mary Markiewitz (NPI 1063588044) received approximately $60K in total Medicare Part B payments, serving 477 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1063588044

Mary MarkiewitzPA-C

Physician AssistantSacramento, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

856

Unique beneficiaries

—

Total services

927

Distinct HCPCS

Medicare payment

$58K

Peer benchmark

Total Medicare services vs. 7,073 Physician Assistant providers in CA — top quintile (cohort median 224).

PRESCRIBING · PART D · 2024

Total Rx claims

276

Beneficiaries

—

Total drug cost

$14K

Distinct drugs

Brand share

35.1%

Top prescribed drugs

Albuterol Sulfate59 claims

Azithromycin43 claims

Cephalexin31 claims

Cefdinir28 claims

Doxycycline Monohydrate26 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 Markiewitz'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). 2 inbound referrers · 9 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
David Guillen Dermatology · Gastonia, NC	62	74
Zachary Taylor Internal Medicine · Sacramento, CA	12	16

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Sutter Valley Medical Foundation Clinical Laboratory · Sacramento, CA	116	448
PASHAEI, SHAYESTEH	61	71
Limin Yu Pathology · Royal Oak, MI	56	69
Ann Haas Micrographic Dermatologic Surgery · Sacramento, CA	55	77
GHISELLI, ROBERT	40	43
Derek Marsee Pathology · Sacramento, CA	32	34
SUTTER VALLEY HOSPITALS	26	57
Unilab Corporation Clinical Laboratory · Sacramento, CA	23	43
Quest Diagnostics Nichols Institute Clinical Laboratory · San Juan Capistrano, CA	19	27

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