MARY KEENAN-PFEIFFER PHD
NPI 1487224515
Psychologist in Cincinnati, OH

Active since June 30, 2021PECOS Enrolled
3333 BURNET AVE, CINCINNATI, OH 45229(513) 636-4336 Get Directions Write a Review

NPPES record last updated: September 19, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 19, 2025, Dec 20, 2022, Jun 30, 2021 (3 updates tracked since 2021).

About Mary Keenan-pfeiffer Phd NPPES

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

MARY KEENAN-PFEIFFER PHD (NPI 1487224515) is an individual psychologist in Cincinnati, Ohio, licensed in Ohio (P.08818) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1487224515
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameMARY KEENAN-PFEIFFERCredential: PHD
Location Address3333 BURNET AVECincinnati, OH 45229-3026
Mailing Address3333 Burnet Ave., Ml 3015Cincinnati, OH 45229 · (513) 636-4336 · Fax (513) 636-7756
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateJune 30, 2021
Last NPPES UpdateSeptember 19, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 19, 2025
✔ NPI 1487224515 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 OH · P.08818
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.
3333 BURNET AVE, Cincinnati, OH 45229

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Keenan-pfeiffer Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4486142767
PECOS Enrollment IDI20251020000538
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.

Medicare Billing Reassignment

Medicare enrollment records show Mary Keenan-pfeiffer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pediatrics
3333 BURNET AVENUE
Cincinnati, OH 45229
  • Reassigned Medicare billing, Ohio enrollment
  • 2,080 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Radiology (Pediatric Radiology)
3333 BURNET AVE, ML 5031
CINCINNATI, OH 45229
Pediatrics (Pediatric Hematology-Oncology)
3333 BURNET AVE
CINCINNATI, OH 45229
Psychiatry & Neurology (Child & Adolescent Psychiatry)
3333 BURNET AVE, ML 3014
CINCINNATI, OH 45229
Medical Genetics (Clinical Genetics (M.D.))
3333 BURNET AVE, ML 4006
CINCINNATI, OH 45229
Otolaryngology (Pediatric Otolaryngology)
3333 BURNET AVE, MLC 2018
CINCINNATI, OH 45229
Nurse Practitioner (Acute Care)
3333 BURNET AVE, ML 2003
CINCINNATI, OH 45229
Nurse Practitioner (Primary Care)
3333 BURNET AVE, ML 2018
CINCINNATI, OH 45229
Case Manager/Care Coordinator
3333 BURNET AVE
CINCINNATI, OH 45229

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 Mary Keenan-pfeiffer's NPI number?

The NPI number for Mary Keenan-pfeiffer is 1487224515. It was assigned to this individual provider in the NPPES registry on June 30, 2021.

Where is Mary Keenan-pfeiffer located?

Mary Keenan-pfeiffer practices at 3333 Burnet Ave, Cincinnati, OH 45229. The listed phone number is (513) 636-4336.

What is Mary Keenan-pfeiffer's specialty?

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

Is Mary Keenan-pfeiffer enrolled in Medicare?

Yes. Mary Keenan-pfeiffer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Keenan-pfeiffer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Keenan-pfeiffer reassigns Medicare benefits to Children's Hospital Medical Center (Cincinnati, OH). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Keenan-pfeiffer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Keenan-pfeiffer accept?

Health plans from MedMutual, Oscar Health Insurance and Oscar Insurance Corporation of Ohio list Mary Keenan-pfeiffer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mary Keenan-pfeiffer was last updated on September 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.