What is Melissa Mahr's specialty?

Melissa Mahr (NPI 1164441705) is a Medicare-billing provider whose primary specialty is Internal Medicine in Hopkinton, MA.

Where does Melissa Mahr practice?

Melissa Mahr practices in Hopkinton, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1164441705.

How much does Medicare pay Melissa Mahr?

Melissa Mahr (NPI 1164441705) received approximately $65K in total Medicare Part B payments, serving 167 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1164441705

Melissa MahrM.D.

Internal MedicineHopkinton, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

452

Unique beneficiaries

—

Total services

607

Distinct HCPCS

Medicare payment

$60K

Peer benchmark

Total Medicare services vs. 3,978 Internal Medicine providers in MA — above median (cohort median 564).

PRESCRIBING · PART D · 2024

Total Rx claims

2,679

Beneficiaries

—

Total drug cost

$127K

Distinct drugs

Brand share

13.7%

Top prescribed drugs

Atorvastatin Calcium227 claims

Lisinopril198 claims

Levothyroxine Sodium176 claims

Amlodipine Besylate173 claims

Omeprazole111 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.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

Home health agency

Home health agency

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Melissa Mahr'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 · 6 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	24	134
MARLBOROUGH HOSPITAL CORP	18	79
Amee Rathod Endocrinology · Southborough, MA	11	56

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	40	214
MARLBOROUGH HOSPITAL CORP	38	152
VHS ACQUISITION SUBSIDIARY NUMBER 9 INC	27	64
Harvey Goldfine Cardiology · Framingham, MA	13	78
Paula Angelini Podiatry · Lincoln, MA	12	59
FELDHAUS, LOUISE	11	22

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