Active NPIIndividual providerSole proprietor

Matthew G Mandelbaum, PHD

Psychologist in Darien, Connecticut

NPI Number1952711202
Practice location
30 Old Kings Hwy S # 1055, Darien, CT 06820-4526
Fax
347-983-7242
Last updated
September 30, 2026

Matthew Gary Mandelbaum is a Psychologist based in Darien, CT. Matthew Gary Mandelbaum practices in Darien, CT and has the professional credentials of PHD. The NPI Number for Matthew Gary Mandelbaum is 1952711202. The current practice location address for Matthew Gary Mandelbaum is 30 Old Kings Hwy S # 1055, Darien, CT 06820-4526 and can be reached out via phone at 212-933-0758 and via fax at 347-983-7242.

Provider Profile Details

NPI Number
1952711202
Provider Name
Matthew Gary Mandelbaum
Credential
PHD
Provider Entity Type
Individual
Gender
Male
Address
30 Old Kings Hwy S # 1055, Darien, CT 06820-4526
Phone Number
212-933-0758
Fax Number
347-983-7242
Primary Taxonomy
Psychologist · 103T00000X
Sole Proprietor
Yes
Provider Enumeration Date
May 7, 2014
Last Update Date
September 30, 2026
Certification Date
September 30, 2026
NPI Status
Active

Provider Business Practice Location Address Details

Address
30 Old Kings Hwy S # 1055
Darien, CT 06820-4526
City
Darien
Zip
06820-4526
Phone Number
212-933-0758
Fax Number
347-983-7242
Darien, CT 06820Get directions →

Provider Business Mailing Address Details

Address
30 Old Kings Hwy S # 1055
Darien, CT 06820-4526
City
Darien
State
CT
Zip
06820-4526
Phone Number
212-933-0758
Fax Number
347-983-7242

License Information

Taxonomy
Psychologist · 103T00000X · Primary

Legacy Identifiers

IdentifierTypeStateIssuer
No legacy identifiers (Medicaid, Medicare or plan IDs) are on file for this provider.

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Frequently Asked Questions

What is the NPI number of Matthew G Mandelbaum, PHD?

The NPI number of Matthew G Mandelbaum, PHD is 1952711202. It was assigned on May 7, 2014 and is currently active in the NPPES registry.

What is the specialty of Matthew G Mandelbaum, PHD?

Matthew G Mandelbaum, PHD is registered under the primary taxonomy Psychologist (code 103T00000X).

Where does Matthew G Mandelbaum, PHD practice?

The practice location is 30 Old Kings Hwy S # 1055, Darien, CT 06820-4526. The office can be reached at 212-933-0758 (phone) or 347-983-7242 (fax).

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). It is used in HIPAA standard transactions.

How do I verify this NPI record?

This record is sourced from the public NPPES NPI Registry maintained by CMS. You can confirm it by searching NPI 1952711202 directly on the NPPES registry website.

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