MARY O'HALLORAN FEELEY RN ANP
NPI 1689924854
Nurse Practitioner - Adult Health in Brooklyn, NY

Q: What is Mary Feeley's NPI number?

The NPI number for Mary Feeley is 1689924854. It was assigned to this individual provider in the NPPES registry on September 14, 2012.

Q: What is Mary Feeley's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Q: When was this NPI record last updated?

The NPPES record for Mary Feeley was last updated on September 14, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since September 14, 2012PECOS Enrolled

4802 TENTH AVE, MAIMONIDES MED CTR DEPT OF MEDICINE, BROOKLYN, NY 11219(718) 283-7667(718) 635-7439 Get Directions Write a Review

NPPES record last updated: September 14, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Mary O'halloran Feeley Rn Anp NPPES

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

MARY O'HALLORAN FEELEY RN ANP (NPI 1689924854) is an individual adult health provider in Brooklyn, New York, licensed in New York (F306144-1) and active in the NPI registry since September 2012. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1689924854

Entity TypeIndividualFemale

Primary Taxonomy363LA2200X

Provider Legal NameMARY O'HALLORAN FEELEYCredential: RN ANP

Location Address4802 TENTH AVE, MAIMONIDES MED CTR DEPT OF MEDICINEBrooklyn, NY 11219

Mailing Address4802 Tenth Ave, Maimonides Med Ctr Dept Of MedicineBrooklyn, NY 11219 · (718) 283-7667 · Fax (718) 635-7439

Phone(718) 283-7667

Fax(718) 635-7439

Sole ProprietorNo

Enumeration DateSeptember 14, 2012

✔ NPI 1689924854 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2200X

License✔ Licensed in NY · F306144-1

4802 TENTH AVE, Brooklyn, NY 11219

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary O'halloran Feeley Rn Anp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

Medicare enrollment records show Mary Feeley reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Maimonides Faculty Practice Plan

Same address

Internal Medicine

4802 10TH AVE
Brooklyn, NY 11219

Reassigned Medicare billing, New York enrollment
1,177 clinicians in this Medicare group

NPI 1053344846 (718) 283-8700

Maimonides Pain Management Fpp

Same address

Pain Medicine

4802 10TH AVE
Brooklyn, NY 11219

Reassigned Medicare billing, New York enrollment
17 clinicians in this Medicare group

NPI 1346354370 (718) 283-8773

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11219 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$105.06 typical visit price

range $67.40 – $203.53

Typical copayment $26.26 (range $16.85 – $50.88)

Most-billed visit code 99203

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. CORNELIUS MCNEAL COOPER M.D.

Emergency Medicine

4802 TENTH AVE, DEPT OF EMERGENCY MEDICINE, MAIMONIDES MEDICAL
BROOKLYN, NY 11219

Kings County (718) 604-5000

BASILIO CORDOBA

Psychiatry & Neurology (Psychiatry)

4802 TENTH AVE
BROOKLYN, NY 11219

Kings County (718) 283-1931

DR. AMY LAVORATO M.D.

Student in an Organized Health Care Education/Training Program

4802 TENTH AVE, MAIMONIDES MEDICAL CENTER DEPARTMENT OF PEDIATRICS
BROOKLYN, NY 11219

Kings County (718) 283-6000

MR. ALTONY SENEUS RPA C

Physician Assistant

4802 TENTH AVE
BROOKLYN, NY 11219

Kings County (718) 283-8506

EUNJOO JEONG NP

Nurse Practitioner

4802 TENTH AVE, ATTN CARDIOLOGY
BROOKLYN, NY 11219

Kings County (718) 283-7489

JOSHUA KERSTEIN MD

Internal Medicine (Cardiovascular Disease)

4802 TENTH AVE, ATTN: CARDIOLOGY
BROOKLYN, NY 11219

Kings County (718) 283-8614

DR. MARC FEDER DMD

Dentist

4802 TENTH AVE, MAIMONIDES MEDICAL CENTER
BROOKLYN, NY 11219

Kings County (718) 283-7428

AMY SINGER M.D.

Radiology (Body Imaging)

4802 TENTH AVE
BROOKLYN, NY 11219

Kings County (718) 283-6863

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 Feeley's NPI number?

The NPI number for Mary Feeley is 1689924854. It was assigned to this individual provider in the NPPES registry on September 14, 2012.

Where is Mary Feeley located?

Mary Feeley practices at 4802 Tenth Ave Maimonides Med Ctr Dept Of Medicine, Brooklyn, NY 11219. The listed phone number is (718) 283-7667.

What is Mary Feeley's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Mary Feeley enrolled in Medicare?

Yes. Mary Feeley is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mary Feeley's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Feeley reassigns Medicare benefits to 2 organizations: Maimonides Faculty Practice Plan (Brooklyn, NY) and Maimonides Pain Management Fpp (Brooklyn, NY). Each 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 Feeley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mary Feeley was last updated on September 14, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.