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JILLIAN HAYLEY GREENBERG N.P.
NPI 1386050433
Nurse Practitioner - Adult Health in Boston, MA

Active since July 09, 2014PECOS Enrolled
450 BROOKLINE AVE, BOSTON, MA 02215(617) 632-5204(617) 632-3408 Get Directions Write a Review

NPPES record last updated: March 6, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 6, 2023, Sep 16, 2020 (2 updates tracked since 2020).

About Jillian Hayley Greenberg N.p. NPPES

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

JILLIAN HAYLEY GREENBERG N.P. (NPI 1386050433) is an individual adult health provider in Boston, Massachusetts, licensed in Massachusetts (RN2366073) and active in the NPI registry since July 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1386050433
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameJILLIAN HAYLEY GREENBERGCredential: N.P.
Location Address450 BROOKLINE AVEBoston, MA 02215-5450
Mailing Address450 Brookline AveBoston, MA 02215-5450 · (617) 632-5204 · Fax (617) 632-3408
Phone(617) 632-5204
Fax(617) 632-3408
Sole ProprietorNo
Enumeration DateJuly 9, 2014
Last NPPES UpdateMarch 6, 20232 updates tracked since enumeration
NPPES CertifiedMarch 6, 2023
✔ NPI 1386050433 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 MA · RN2366073
450 BROOKLINE AVE, Boston, MA 02215
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jillian Hayley Greenberg N.p. 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

2

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

Dana-Farber Cancer Institute, Inc.
Same address
General Acute Care Hospital
450 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,026 clinicians in this Medicare group
NPI 1851333686 (617) 632-3000
Icahn School Of Medicine At Mount Sinai
182 mi
Hematology & Oncology
1 GUSTAVE L LEVY PL
New York, NY 10029
  • Reassigned Medicare billing, New York enrollment
  • 275 clinicians in this Medicare group
NPI 1750649612 (212) 241-6756

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 02215 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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 20

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

PRABHSIMRANJOT SINGH MD
Internal Medicine (Hematology & Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 582-7956
SHAWN MAGUIRE PA-C
Physician Assistant
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 582-8487
KARINA FRANCA
Genetic Counselor, MS
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (857) 215-2285
DR. SUZANNE JAQUETH FORREST M.D.
Pediatrics (Pediatric Hematology-Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 632-3270
LAUREN KIRITSY MSW, LCSW
Counselor (Mental Health)
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (857) 215-3448
OFIR WOLAJ MD
Internal Medicine (Hematology & Oncology)
450 BROOKLINE AVE, DANA 2058
BOSTON, MA 02215
Suffolk County (617) 632-6139
JASON BATALHA AGPCNP-BC
Nurse Practitioner
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 632-6140
FATIMA EMRAN AMIR MS, LGC
Genetic Counselor, MS
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 632-3729

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 Jillian Greenberg's NPI number?

The NPI number for Jillian Greenberg is 1386050433. It was assigned to this individual provider in the NPPES registry on July 9, 2014.

Where is Jillian Greenberg located?

Jillian Greenberg practices at 450 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 632-5204.

What is Jillian Greenberg's specialty?

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

Is Jillian Greenberg enrolled in Medicare?

Yes. Jillian Greenberg is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Jillian Greenberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jillian Greenberg reassigns Medicare benefits to 2 organizations: Dana-Farber Cancer Institute, Inc. (Boston, MA) and Icahn School Of Medicine At Mount Sinai (New York, 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 Jillian Greenberg'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 Jillian Greenberg was last updated on March 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.