What is Holly Mazur's specialty?

Holly Mazur (NPI 1295780617) is a Medicare-billing provider whose primary specialty is Internal Medicine in Acton, MA.

Where does Holly Mazur practice?

Holly Mazur practices in Acton, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1295780617.

How much does Medicare pay Holly Mazur?

Holly Mazur (NPI 1295780617) received approximately $54K in total Medicare Part B payments, serving 271 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1295780617

Holly MazurM.D.

PRACTICEACTON MEDICAL ASSOCIATES, PCSee all providers at this practice →

Internal MedicineActon, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,308

Unique beneficiaries

—

Total services

1,517

Distinct HCPCS

Medicare payment

$44K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

2,416

Beneficiaries

—

Total drug cost

$91K

Distinct drugs

Brand share

11.9%

Top prescribed drugs

Atorvastatin Calcium432 claims

Losartan Potassium203 claims

Levothyroxine Sodium163 claims

Amlodipine Besylate149 claims

Lisinopril142 claims

QUALITY · MIPS · 2024

Final MIPS score

87.0

Quality

86.0

Cost

71.6

Improvement activities

40.0

Promoting interop.

99.0

Payment adjustment

0.51%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$16

Payment records

By payment type

Food and Beverage$16

Top paying entities

Food and Beverage$16

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 220001

Hospital

CCN 220084

Hospital

CCN 220163

Hospital

REFERRAL NETWORK

Where Holly Mazur'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	79	490
UMASS MEMORIAL HEALTHALLIANCE CLINTON HOSPITAL INC	32	110
Iryna Rastarhuyeva Diagnostic Radiology · Worcester, MA	11	18

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	51	280
UMASS MEMORIAL HEALTHALLIANCE CLINTON HOSPITAL INC	30	109
VHS ACQUISITION SUBSIDIARY NUMBER 7 INC	16	46
FELDHAUS, LOUISE	14	32
Cynthia Royal Nurse Practitioner · Leominster, MA	13	44
MILLER, KENNETH	11	17

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