DR. DAVID MAHONY PHD
NPI 1649226069
Psychologist - Clinical in Brooklyn, NY
About Dr. David Mahony Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID MAHONY PHD (NPI 1649226069) is an individual clinical provider in Brooklyn, New York, licensed in New York (013606) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. David Mahony 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.
Medicare Billing Reassignment
Medicare enrollment records show David Mahony reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Brooklyn, NY 11211
- Reassigned Medicare billing, Alabama, Florida, New York, Texas and West Virginia enrollments
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11211 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BROOKLYN, NY 11211
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 David Mahony's NPI number?
The NPI number for David Mahony is 1649226069. It was assigned to this individual provider in the NPPES registry on May 26, 2006.
Where is David Mahony located?
David Mahony practices at 331 Leonard St Ste 1F, Brooklyn, NY 11211. The listed phone number is (718) 668-1919.
What is David Mahony's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is David Mahony enrolled in Medicare?
Yes. David Mahony 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.
Which organization bills Medicare for David Mahony's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Mahony reassigns Medicare benefits to Northside Psychology PLLC (Brooklyn, NY). 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 David Mahony's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Mahony accept?
Health plans from Avera Health Plans, Blue Cross and Blue Shield of Alabama, Blue Cross and Blue Shield of Texas, Cigna HealthCare of Florida, Inc. and Cigna Healthcare and 2 other insurers list David Mahony 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 David Mahony was last updated on April 25, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Dr. David Mahony, PHD · NPI 1649226069
Clinical provider in Brooklyn, New York. Individual provider, active in the CMS NPPES registry since May 26, 2006.
## Identity
- **NPI:** 1649226069 (Entity type: Individual)
- **Enumerated:** May 26, 2006
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **State license:** 013606 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 331 LEONARD ST, STE 1F, Brooklyn, NY 11211-2309
- **Phone:** (718) 668-1919
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Northside Psychology PLLC (NPI 1477058998, Brooklyn, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** April 25, 2018
---
Source: [NPI Profile](https://npiprofile.com/npi/1649226069) · Data from the CMS NPPES public registry.