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DR. DARREN MAST DO
NPI 1548944853
Psychiatry & Neurology - Psychiatry in Philadelphia, PA

Active since June 15, 2023
5501 OLD YORK RD STE 1, PHILADELPHIA, PA 19141(215) 456-9850 Get Directions Write a Review

NPPES record last updated: June 16, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Darren Mast Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DARREN MAST DO (NPI 1548944853) is an individual psychiatry provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (OT022681) and active in the NPI registry since June 2023.

NPPES Registry Identity

NPI1548944853
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. DARREN MASTCredential: DO
Location Address5501 OLD YORK RD STE 1Philadelphia, PA 19141-3098
Mailing Address5501 Old York Rd Ste 1Philadelphia, PA 19141-3098 · (215) 456-9850
Phone(215) 456-9850
Sole ProprietorNo
Enumeration DateJune 15, 2023
Last NPPES UpdateJune 16, 2023
NPPES CertifiedJune 16, 2023
✔ NPI 1548944853 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in PA · OT022681
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
5501 OLD YORK RD STE 1, Philadelphia, PA 19141
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GREGORY JOHNSON MD
Student in an Organized Health Care Education/Training Program
5501 OLD YORK RD STE 1
PHILADELPHIA, PA 19141
Philadelphia County (215) 456-7890
DR. JULIE MINJU GANG DMD
Dentist (General Practice)
5501 OLD YORK RD STE 1
PHILADELPHIA, PA 19141
Philadelphia County (215) 456-7130
ALINE A IANNONI DE MORAES
Student in an Organized Health Care Education/Training Program
5501 OLD YORK RD STE 1
PHILADELPHIA, PA 19141
Philadelphia County (215) 456-8520
DR. BRIANA M CALDERON PARKER MD
Student in an Organized Health Care Education/Training Program
5501 OLD YORK RD STE 1
PHILADELPHIA, PA 19141
Philadelphia County (215) 456-7890
ASHMIN SINGH
Internal Medicine
5501 OLD YORK RD STE 1
PHILADELPHIA, PA 19141
Philadelphia County (215) 456-6629
ALEXANDER JAMES RAZIN MD
Internal Medicine
5501 OLD YORK RD STE 1
PHILADELPHIA, PA 19141
Philadelphia County (215) 456-6500
NEETHU KANJINGAT NANDAN MBBS
Psychiatry & Neurology (Psychiatry)
5501 OLD YORK RD STE 1
PHILADELPHIA, PA 19141
Philadelphia County (215) 456-7890
EMILY ELIZABETH MESSINA
Student in an Organized Health Care Education/Training Program
5501 OLD YORK RD STE 1
PHILADELPHIA, PA 19141
Philadelphia County (215) 457-4444

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Darren Mast's NPI number?

The NPI number for Darren Mast is 1548944853. It was assigned to this individual provider in the NPPES registry on June 15, 2023.

Where is Darren Mast located?

Darren Mast practices at 5501 Old York Rd Ste 1, Philadelphia, PA 19141. The listed phone number is (215) 456-9850.

What is Darren Mast's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for Darren Mast was last updated on June 16, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.