DR. MARK LOWENHEIM M.D. NPI 1285676429

NPI Information

NPI: 1285676429
Provider Name: DR. MARK LOWENHEIM, M.D.
Classification: Pediatrics - 2080P0206X
Specialization: Pediatric Gastroenterology
Entity Type: Individual
PECOS Registration: Yes
Address: 200 BELLE TERRE RD
SUITE 400
PORT JEFFERSON, NY
ZIP 11777
Phone: (631) 403-4507

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NPI Details

DR. Mark Lowenheim, M.D. is a pediatric gastroenterology pediatrics in Port Jefferson, NY. The provider is a pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs. DR. Mark Lowenheim, M.D. NPI is 1285676429. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

The provider's business location address is:

200 BELLE TERRE RD
SUITE 400
PORT JEFFERSON, NY
ZIP 11777-928
Phone: (631) 403-4507
Fax: (631) 509-4614

The NPI 1285676429 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The enumeration date for this NPI number is 6/12/2006 and was last updated on 6/15/2015.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No.	Taxonomy Code	Taxonomy Clasification	Taxonomy Specialization	License Number	License State	Primary
1	2080P0206X	Pediatrics	Pediatric Gastroenterology	170700	NEW YORK	Yes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No.	Other Provider Identifier	Other Provider Identifier Type	Other Provider Identifier State	Other Provider Identifier Issuer
1	E36466	MEDICARE UPIN	NEW YORK
2	4229601	OTHER	NEW YORK	AETNA
3	01209796	MEDICAID	NEW YORK
4	21F92	OTHER	NEW YORK	EMPIRE BC.BS

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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