Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mary Macallister Parker Ahearn, NP

Individual provider Family Nurse Practitioner · NPI 1316621584

Mary Macallister Parker Ahearn, NP is a Nurse Practitioner in New York, New York. Qualified in 2024, 2 years ago. Practices with Trustees of Columbia University in the City of New York, a 2,250-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
2
Licensed in
NY
In the registry since
2023
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

560 W 168th St
New York, NY 10032-3917
Phone: (212) 305-5756
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 120 Riverside Blvd Apt 6v, New York, NY 10069-0510 — (917) 887-8708

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 352084 (NY)

Record details

NPI number1316621584
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedJune 9, 2023
Last updated in NPPESJune 9, 2023
Certification dateJune 9, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice Trustees Of Columbia University In The City Of New York — 2250 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Colleagues at Trustees of Columbia University in the City of New York

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 2250 clinicians in the practice; 12 are shown here.

Other providers in New York