What is Mary Marrs's specialty?

Mary Marrs (NPI 1144201708) is a Medicare-billing provider whose primary specialty is Nurse Practitioner in Rapid City, SD.

Where does Mary Marrs practice?

Mary Marrs practices in Rapid City, SD, based on the location reported in the CMS Medicare provider datasets for NPI 1144201708.

How much does Medicare pay Mary Marrs?

Mary Marrs (NPI 1144201708) received approximately $2K in total Medicare Part B payments, serving 18 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1144201708

Mary MarrsCNP

Nurse PractitionerRapid City, SDI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$2K

Peer benchmark

Total Medicare services vs. 898 Nurse Practitioner providers in SD — bottom quintile (cohort median 202).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

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 Marrs'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). 4 inbound referrers · 21 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Jeffrey Marrs Orthopedic Surgery · Rapid City, SD	52	118
Sylvia Medley Internal Medicine · Washington, DC	48	49
MONUMENT HEALTH RAPID CITY HOSPITAL, INC.	20	25
Kara Davis Faith Physician Assistant · Bend, OR	12	18

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
BLACK HILLS SURGICAL HOSPITAL, LLC	148	200
Raymond Pierce Internal Medicine · Rapid City, SD	52	56
Corey Anderson Physician Assistant · Rapid City, SD	42	51
Billie Hague Nurse Practitioner · Chippewa Falls, WI	41	41
Eric Kelts Neurology · Centennial, CO	28	31
Jeffrey Marrs Orthopedic Surgery · Rapid City, SD	26	53
MELLOH, KATHLEEN	20	22
TERRASAS, GREG	18	20
RICHARDS, JAMES	17	22
Terri Vanheuveln Certified Registered Nurse Anesthetist (CRNA) · Rapid City, SD	16	20
Tim Watt Neurological Surgery · Rapid City, SD	16	43
WILCOX, KIRK	15	16

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