What is Mark Tobak's specialty?

Mark Tobak (NPI 1063578425) is a Medicare-billing provider whose primary specialty is Psychiatry in Mamaroneck, NY.

Where does Mark Tobak practice?

Mark Tobak practices in Mamaroneck, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1063578425.

How much does Medicare pay Mark Tobak?

Mark Tobak (NPI 1063578425) received approximately $283K in total Medicare Part B payments, serving 231 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1063578425

Mark TobakM.D.

PRACTICEMARK TOBAK MD PCSee all providers at this practice →

PsychiatryMamaroneck, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

447

Unique beneficiaries

—

Total services

4,068

Distinct HCPCS

Medicare payment

$276K

Peer benchmark

Total Medicare services vs. 1,970 Psychiatry providers in NY — top quintile (cohort median 223).

PRESCRIBING · PART D · 2024

Total Rx claims

3,019

Beneficiaries

—

Total drug cost

$204K

Distinct drugs

Brand share

12.3%

Top prescribed drugs

Escitalopram Oxalate448 claims

Mirtazapine345 claims

Clonazepam231 claims

Alprazolam166 claims

Sertraline Hcl147 claims

QUALITY · MIPS · 2024

Final MIPS score

87.2

Quality

95.0

Cost

57.1

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.51%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Mark Tobak'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 · 4 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
WHITE PLAINS HOSPITAL MEDICAL CENTER	46	98
NEW YORK-PRESBYTERIAN/LAWRENCE HOSPITAL	13	29
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	12	19

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
WHITE PLAINS HOSPITAL MEDICAL CENTER	57	108
Quest Diagnostics Incorporated Clinical Laboratory · Clifton, NJ	32	88
GREENWICH HOSPITAL	26	100
David Cziner Cardiology · White Plains, NY	11	25

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