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MS. ELLEN PATRICIA FLANAGAN PMHNP
NPI 1871893768
Nurse Practitioner - Psychiatric/Mental Health in Brooklyn, NY

Active since October 26, 2010PECOS Enrolled
126 GREENPOINT AVE, BROOKLYN, NY 11222(347) 687-5172 Get Directions Write a Review

NPPES record last updated: December 21, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ms. Ellen Patricia Flanagan Pmhnp NPPES

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

MS. ELLEN PATRICIA FLANAGAN PMHNP (NPI 1871893768) is an individual psychiatric/mental health provider in Brooklyn, New York, licensed in New York (F 401270-1) and active in the NPI registry since October 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1871893768
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMS. ELLEN PATRICIA FLANAGANCredential: PMHNP
Location Address126 GREENPOINT AVEBrooklyn, NY 11222-2202
Mailing Address126 Greenpoint AveBrooklyn, NY 11222-2202
Phone(347) 687-5172
Sole ProprietorNo
Enumeration DateOctober 26, 2010
Last NPPES UpdateDecember 21, 2016
✔ NPI 1871893768 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in NY · F 401270-1
126 GREENPOINT AVE, Brooklyn, NY 11222
Open in Google Maps ↗

Other Identifiers 1

Medicare UPIN1871893768NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Ellen Patricia Flanagan Pmhnp 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 Reassignment

Medicare enrollment records show Ellen Flanagan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Brooklyn Bureau Of Community Service
3.2 mi
Mental Health
285 SCHERMERHORN STREET, 7TH FLOOR
Brooklyn, NY 11217
  • Reassigned Medicare billing, New York enrollment
  • 4 clinicians in this Medicare group
NPI 1629137641 (718) 310-5633

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 11222 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 5

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

DR. HENRY LEON SAFIER, M.D., P.C.
Internal Medicine (Gastroenterology)
126 GREENPOINT AVE
BROOKLYN, NY 11222
Kings County (718) 389-0100
DR. LEELAVATHI KASTURI MD
Internal Medicine (Gastroenterology)
126 GREENPOINT AVE
BROOKLYN, NY 11222
Kings County (718) 389-0100
JON STANCIU M.D.
Internal Medicine
126 GREENPOINT AVE
BROOKLYN, NY 11222
Kings County (718) 389-0100
DR.FLORIN MEROVICI MEDICAL SERVICES, P.C.
Internal Medicine
126 GREENPOINT AVE
BROOKLYN, NY 11222
Kings County (718) 389-0100
JON STANCIU MEDICAL SERVICES PC
Internal Medicine
126 GREENPOINT AVE
BROOKLYN, NY 11222
Kings County (718) 398-0100

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 Ellen Flanagan's NPI number?

The NPI number for Ellen Flanagan is 1871893768. It was assigned to this individual provider in the NPPES registry on October 26, 2010.

Where is Ellen Flanagan located?

Ellen Flanagan practices at 126 Greenpoint Ave, Brooklyn, NY 11222. The listed phone number is (347) 687-5172.

What is Ellen Flanagan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Ellen Flanagan enrolled in Medicare?

Yes. Ellen Flanagan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ellen Flanagan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ellen Flanagan reassigns Medicare benefits to Brooklyn Bureau Of Community Service (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 Ellen Flanagan'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 Ellen Flanagan was last updated on December 21, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.