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DR. CATHY MERCALDI M.D.
NPI 1659472793
Psychiatry & Neurology - Child & Adolescent Psychiatry in Philadelphia, PA

Active since September 25, 2006
3440 MARKET ST, SUITE 200, PHILADELPHIA, PA 19104(215) 590-7555(215) 590-7387 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Cathy Mercaldi M.d. NPPES

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

DR. CATHY MERCALDI M.D. (NPI 1659472793) is an individual child & adolescent psychiatry provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD063804L) and active in the NPI registry since September 2006.

NPPES Registry Identity

NPI1659472793
Entity TypeIndividualFemale
Primary Taxonomy2084P0804X
Provider Legal NameDR. CATHY MERCALDICredential: M.D.
Location Address3440 MARKET ST, SUITE 200Philadelphia, PA 19104-3325
Mailing Address3440 Market St, Suite 410Philadelphia, PA 19104-3325 · (215) 590-7532 · Fax (215) 590-4251
Phone(215) 590-7555
Fax(215) 590-7387
Sole ProprietorNo
Enumeration DateSeptember 25, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1659472793 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
License✔ Licensed in PA · MD063804L
Definition

Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License MD063804L (PA)
3440 MARKET ST, Philadelphia, PA 19104
Open in Google Maps ↗

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.

DR. CHERIE LYNN GERSTADT PH.D.
Psychologist (Clinical)
3440 MARKET ST, 2ND FLOOR
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-1306
DR. TAMI BENTON M.D.
Psychiatry & Neurology (Child & Adolescent Psychiatry)
3440 MARKET ST, SUITE 410
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-7532
JASON LEWIS PH.D.
Psychologist
3440 MARKET ST, SUITE 200
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-7555
DR. STEPHEN LEFF PH.D.
Psychologist (Clinical)
3440 MARKET ST, SUITE 200
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-7555
DR. STEPHON PROCTOR PH.D.
Psychologist (Clinical Child & Adolescent)
3440 MARKET ST, SUITE 200
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-7555
THA CHILDREN'S HOSPITAL OF PHILADELPHIA
General Acute Care Hospital (Children)
3440 MARKET ST, BEHAVIORAL HEALTH CENTER, SUITE 200
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-7431
ELI MUHRER MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
3440 MARKET ST
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-7555
LILLY S LA PORTA MD
Psychiatry & Neurology (Psychiatry)
3440 MARKET ST, FLOOR 2 BEHAVIORAL HEALTH CENTER
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-7296

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 Cathy Mercaldi's NPI number?

The NPI number for Cathy Mercaldi is 1659472793. It was assigned to this individual provider in the NPPES registry on September 25, 2006.

Where is Cathy Mercaldi located?

Cathy Mercaldi practices at 3440 Market St Suite 200, Philadelphia, PA 19104. The listed phone number is (215) 590-7555.

What is Cathy Mercaldi's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

When was this NPI record last updated?

The NPPES record for Cathy Mercaldi was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.