DR. MARIA O HALLORAN PHD
NPI 1477849230
Psychologist in Darby, PA

Active since June 21, 2011PECOS EnrolledAccepts Medicare Assignment
1503 LANSDOWNE AVE, MERCY WELLNESS CENTER STE 3008., DARBY, PA 19023(610) 237-5676 Get Directions Write a Review

NPPES record last updated: March 13, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Maria O Halloran Phd NPPES

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

DR. MARIA O HALLORAN PHD (NPI 1477849230) is an individual psychologist in Darby, Pennsylvania, licensed in Pennsylvania (PS016726) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2007).

NPPES Registry Identity

NPI1477849230
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. MARIA O HALLORANCredential: PHD
Location Address1503 LANSDOWNE AVE, MERCY WELLNESS CENTER STE 3008.Darby, PA 19023-1330
Mailing Address506 W Mount Airy AvePhiladelphia, PA 19119-2948 · (610) 237-5676
Sole ProprietorYes
Medical School CMSOtherGraduated 2007
Enumeration DateJune 21, 2011
Last NPPES UpdateMarch 13, 2013
NPI 1477849230 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in PA · PS016726
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
1503 LANSDOWNE AVE, Darby, PA 19023

Other Names 1

Former Name (1)Dr. Maria Coletta Phd

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Maria O Halloran Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5395916761
PECOS Enrollment IDI20110914000694
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Psychologist
1503 LANSDOWNE AVE, SUITE 3008
DARBY, PA 19023
Internal Medicine (Infectious Disease)
1503 LANSDOWNE AVE, SUITE 3010
DARBY, PA 19023
Internal Medicine (Cardiovascular Disease)
1503 LANSDOWNE AVE, 3001
DARBY, PA 19023
Pharmacy (Community/Retail Pharmacy)
1503 LANSDOWNE AVE, SUITE 1000
DARBY, PA 19023
Physician Assistant
1503 LANSDOWNE AVE, 1ST FLOOR
DARBY, PA 19023
Pharmacist
1503 LANSDOWNE AVE, SUITE 1000
DARBY, PA 19023
Psychiatry & Neurology (Psychiatry)
1503 LANSDOWNE AVE, SUITE 3005
DARBY, PA 19023
Pediatrics
1503 LANSDOWNE AVE, STE 3002 LANSDOWNE PARK PEDIATRICS
DARBY, PA 19023

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 Maria O Halloran's NPI number?

The NPI number for Maria O Halloran is 1477849230. It was assigned to this individual provider in the NPPES registry on June 21, 2011. The provider is also known as Dr. Maria Coletta Phd.

Where is Maria O Halloran located?

Maria O Halloran practices at 1503 Lansdowne Ave Mercy Wellness Center Ste 3008., Darby, PA 19023. The listed phone number is (610) 237-5676.

What is Maria O Halloran's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Maria O Halloran enrolled in Medicare?

Yes. Maria O Halloran is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Maria O Halloran was last updated on March 13, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.