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ZOE K HRISTOFILOUS CNP
NPI 1679948004
Nurse Practitioner in Boston, MA

Active since December 10, 2015PECOS EnrolledAccepts Medicare Assignment
1 JOSLIN PL, BOSTON, MA 02215(617) 309-2440(617) 309-2697 Get Directions Write a Review

NPPES record last updated: November 2, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 22, 2022, Sep 14, 2021, Dec 27, 2016 and 1 more (4 updates tracked since 2015).

About Zoe K Hristofilous Cnp NPPES

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

ZOE K HRISTOFILOUS CNP (NPI 1679948004) is an individual nurse practitioner in Boston, Massachusetts, licensed in Massachusetts (RN2292157) and active in the NPI registry since December 2015. She is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Medical Center, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1679948004
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameZOE K HRISTOFILOUSCredential: CNP
Location Address1 JOSLIN PLBoston, MA 02215-5394
Mailing Address1 Joslin PlBoston, MA 02215-5394 · (617) 309-2440 · Fax (617) 309-2697
Phone(617) 309-2440
Fax(617) 309-2697
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateDecember 10, 2015
Last NPPES UpdateNovember 2, 20254 updates tracked since enumeration
NPPES CertifiedNovember 2, 2025
✔ NPI 1679948004 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in MA · RN2292157
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
1 JOSLIN PL, Boston, MA 02215
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.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

Zoe K Hristofilous Cnp 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.

PECOS PAC ID5193011773
PECOS Enrollment IDI20160907002805
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

4

Medicare enrollment records show Zoe Hristofilous reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Joslin Clinic Inc
Same address
Multi-Specialty
1 JOSLIN PL
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • 125 clinicians in this Medicare group
NPI 1528003621 (617) 732-2501
Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc
0.2 mi
Internal Medicine
330 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2,579 clinicians in this Medicare group
NPI 1194765438 (617) 754-9600
Medical Care Of Boston Management Corporation
7.4 mi
Internal Medicine
464 HILLSIDE AVE, SUITE 304
Needham, MA 02494
  • Reassigned Medicare billing, Massachusetts enrollment
  • 356 clinicians in this Medicare group
NPI 1437196359 (617) 754-0730
Cape Ann Medical Center LLC
31 mi
Internal Medicine
1 BLACKBURN DR
Gloucester, MA 01930
  • Reassigned Medicare billing, Massachusetts enrollment
  • 16 clinicians in this Medicare group
NPI 1548682743 (978) 281-1500

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Beth Israel Deaconess Medical Center

Acute Care Hospitals · Boston, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220086
Location330 Brookline AvenueBoston, MA 02215 · Suffolk County
Emergency services Birthing friendly

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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
4 suppliers11 claims22 services$6.59 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DR. EDWARD SCHURR HORTON M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1 JOSLIN PL
BOSTON, MA 02215
Suffolk County (617) 309-2400
MS. LOUISE AMBLER OSBORN CPNP
Nurse Practitioner (Pediatrics)
1 JOSLIN PL
BOSTON, MA 02215
Suffolk County (617) 732-2603
DR. JASON L GAGLIA M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1 JOSLIN PL, ROOM 470
BOSTON, MA 02215
Suffolk County (617) 732-2675
KARA ROMAN HARRINGTON PHD
Psychologist
1 JOSLIN PL, DEPARTMENT OF PEDIATRICS
BOSTON, MA 02215
Suffolk County (617) 732-2603
CATERINA MORGERA MS, RD, LDN, CDOE
Dietitian, Registered
1 JOSLIN PL
BOSTON, MA 02215
Suffolk County (617) 309-2440
MR. JOYCE KEADY PNP, RN
Nurse Practitioner (Pediatrics)
1 JOSLIN PL
BOSTON, MA 02215
Suffolk County (617) 309-4499
DR. JASON NOBLE M.D.
Ophthalmology
1 JOSLIN PL
BOSTON, MA 02215
Suffolk County (617) 732-2586
ASSEL TALASPAYEVA MD
Ophthalmology
1 JOSLIN PL
BOSTON, MA 02215
Suffolk County (617) 309-2400

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 Zoe Hristofilous's NPI number?

The NPI number for Zoe Hristofilous is 1679948004. It was assigned to this individual provider in the NPPES registry on December 10, 2015.

Where is Zoe Hristofilous located?

Zoe Hristofilous practices at 1 Joslin Pl, Boston, MA 02215. The listed phone number is (617) 309-2440.

What is Zoe Hristofilous's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Zoe Hristofilous enrolled in Medicare?

Yes. Zoe Hristofilous 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 organizations bill Medicare for Zoe Hristofilous's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zoe Hristofilous reassigns Medicare benefits to 4 organizations: Joslin Clinic Inc (Boston, MA), Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA), Medical Care Of Boston Management Corporation (Needham, MA) and Cape Ann Medical Center LLC (Gloucester, MA). 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 Zoe Hristofilous's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Zoe Hristofilous accept?

Health plans from Taro Health list Zoe Hristofilous 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.

Is Zoe Hristofilous affiliated with any hospitals?

According to CMS data, Zoe Hristofilous is affiliated with Beth Israel Deaconess Medical Center.

When was this NPI record last updated?

The NPPES record for Zoe Hristofilous was last updated on November 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.