DR. LOUIS ARTHUR LEAFF MD
NPI 1619986809
Psychiatry & Neurology - Psychiatry in Bala Cynwyd, PA

Q: What is Louis Leaff's NPI number?

The NPI number for Louis Leaff is 1619986809. It was assigned to this individual provider in the NPPES registry on August 5, 2006.

Q: What is Louis Leaff's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Louis Leaff was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since August 05, 2006

555 E CITY AVE, 520, BALA CYNWYD, PA 19004(610) 667-2899(610) 664-2429 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Louis Arthur Leaff Md NPPES

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

DR. LOUIS ARTHUR LEAFF MD (NPI 1619986809) is an individual psychiatry provider in Bala Cynwyd, Pennsylvania, licensed in Pennsylvania (MD008903E) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1619986809

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. LOUIS ARTHUR LEAFFCredential: MD

Location Address555 E CITY AVE, 520Bala Cynwyd, PA 19004-1115

Mailing Address405 Pembroke RdBala Cynwyd, PA 19004-2724 · (610) 664-7465 · Fax (610) 664-2429

Phone(610) 667-2899

Fax(610) 664-2429

Sole ProprietorYes

Enumeration DateAugust 5, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1619986809 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

Licenses✔ Licensed in PA · MD008903E✔ Licensed in DE · C1-0002479

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.

555 E CITY AVE, Bala Cynwyd, PA 19004

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Other Identifiers 4

Medicare ID-Type Unspecified019231DE

Medicare ID-Type Unspecified019231PA

Medicare UPIN19975PA

Medicare UPIN19975DE

Other Providers at the Same Location NPPES 11

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

THE CATARACT VISION INSTITUTE LLC

Clinic/Center (Ophthalmologic Surgery)

555 E CITY AVE, SUITE 1010
BALA CYNWYD, PA 19004

Montgomery County (610) 667-7210

DR. JEFFREY WILLIAM GOLDFINE D.D.S.

Dentist

555 E CITY AVE
BALA CYNWYD, PA 19004

Montgomery County (732) 742-0942

THE LASIK VISION INSTITUTE, LLC

Clinic/Center (Ophthalmologic Surgery)

555 E CITY AVE, STE 1010
BALA CYNWYD, PA 19004

Montgomery County (561) 965-9110

DR. IDA MURIEL TRILNICK M.D.

Psychiatry & Neurology (Psychiatry)

555 E CITY AVE, STE 210
BALA CYNWYD, PA 19004

Montgomery County (610) 660-8338

DR. MOHAMMAD A GHANI DMD

Dentist (General Practice)

555 E CITY AVE, SUITE 610
BALA CYNWYD, PA 19004

Montgomery County (215) 564-1679

DR. EMILY FRANCES POLLARD M.D.

Plastic Surgery

555 E CITY AVE, SUITE 1170
BALA CYNWYD, PA 19004

Montgomery County (610) 667-0100

MRS. MARY-MARTHA JOHNSON MSN,APRN,BC

Registered Nurse (Psychiatric/Mental Health)

555 E CITY AVE, SUITE 210
BALA CYNWYD, PA 19004

Montgomery County (610) 660-8338

DAVID KALKSTEIN MD PC

Clinic/Center (Mental Health (Including Community Mental Health Center))

555 E CITY AVE, STE 210
BALA CYNWYD, PA 19004

Montgomery County (610) 660-8338

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 Louis Leaff's NPI number?

The NPI number for Louis Leaff is 1619986809. It was assigned to this individual provider in the NPPES registry on August 5, 2006.

Where is Louis Leaff located?

Louis Leaff practices at 555 E City Ave 520, Bala Cynwyd, PA 19004. The listed phone number is (610) 667-2899.

What is Louis Leaff'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 Louis Leaff was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.