What is Andrew Mermelstein's specialty?

Andrew Mermelstein (NPI 1215920335) is a Medicare-billing provider whose primary specialty is Rheumatology in East Norriton, PA.

Where does Andrew Mermelstein practice?

Andrew Mermelstein practices in East Norriton, PA, based on the location reported in the CMS Medicare provider datasets for NPI 1215920335.

How much does Medicare pay Andrew Mermelstein?

Andrew Mermelstein (NPI 1215920335) received approximately $1.0M in total Medicare Part B payments, serving 956 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1215920335

Andrew MermelsteinMD

RheumatologyEast Norriton, PAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,338

Unique beneficiaries

—

Total services

98,907

Distinct HCPCS

Medicare payment

$972K

Peer benchmark

Total Medicare services vs. 267 Rheumatology providers in PA — top quintile (cohort median 4,116).

PRESCRIBING · PART D · 2024

Total Rx claims

3,340

Beneficiaries

—

Total drug cost

$1.3M

Distinct drugs

Brand share

20.9%

Top prescribed drugs

Prednisone417 claims

Methotrexate Sodium405 claims

Hydroxychloroquine Sulfate263 claims

Celecoxib262 claims

Alendronate Sodium251 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

0.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

Hospital

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Andrew Mermelstein'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). 9 inbound referrers · 20 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	168	389
EINSTEIN MEDICAL CENTER MONTGOMERY	98	259
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	40	89
Kerry Stone Rheumatology · East Norriton, PA	38	54
MERCY SUBURBAN HOSPITAL	31	59
Howard Cobert Cardiology · East Norriton, PA	17	27
Lynne Casper Podiatry · East Norriton, PA	15	24
LANSDALE HOSPITAL CORPORATION	14	25
MAIN LINE HOSPITALS, INC.	11	26

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	156	353
EINSTEIN MEDICAL CENTER MONTGOMERY	91	206
GRAND VIEW HOSPITAL	51	150
ABINGTON MEMORIAL HOSPITAL	35	77
MERCY SUBURBAN HOSPITAL	35	92
Kerry Stone Rheumatology · East Norriton, PA	35	46
Daniel Norden Rheumatology · East Norriton, PA	28	34
Nikki Sistrun Diagnostic Radiology · East Norriton, PA	25	36
Julie Gubernick Diagnostic Radiology · Philadelphia, PA	24	34
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	21	38
TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA	21	48
LANSDALE HOSPITAL CORPORATION	17	35

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