What is Michelle Nisenbaum's specialty?

Michelle Nisenbaum (NPI 1639259252) is a Medicare-billing provider whose primary specialty is Physical Medicine and Rehabilitation in Waterbury, CT.

Where does Michelle Nisenbaum practice?

Michelle Nisenbaum practices in Waterbury, CT, based on the location reported in the CMS Medicare provider datasets for NPI 1639259252.

How much does Medicare pay Michelle Nisenbaum?

Michelle Nisenbaum (NPI 1639259252) received approximately $86K in total Medicare Part B payments, serving 135 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1639259252

Michelle NisenbaumMD

Physical Medicine and RehabilitationWaterbury, CTI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

480

Unique beneficiaries

—

Total services

8,565

Distinct HCPCS

Medicare payment

$71K

Peer benchmark

Total Medicare services vs. 106 Physical Medicine and Rehabilitation providers in CT — top quintile (cohort median 949).

PRESCRIBING · PART D · 2024

Total Rx claims

409

Beneficiaries

—

Total drug cost

$8K

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Gabapentin117 claims

Diazepam40 claims

Diclofenac Sodium28 claims

Meloxicam26 claims

Lidocaine26 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 Michelle Nisenbaum'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). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
WATERBURY HOSPITAL	53	386
Quest Diagnostics Llc Clinical Laboratory · Wallingford, CT	36	192
Greater Waterbury Imaging Center Limited Partnership Independent Diagnostic Testing Facility (IDTF) · Waterbury, CT	14	44
ACCESS REHAB CENTERS, LLC	14	81
Michael Malin Diagnostic Radiology · Southbury, CT	13	37
SHETTY, MAHADEVAN	12	41
GUMBARDO, ROBERT	12	30
John Deleon Diagnostic Radiology · Waterbury, CT	11	39

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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