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CHEREEN ZAKIEH CHALAK MSN, APRN, FNP-BC
NPI 1912739921
Nurse Practitioner - Family in Newton, MA

Active since August 19, 2024PECOS Enrolled
71 NEEDHAM ST, NEWTON, MA 02461(857) 598-4460 Get Directions Write a Review

NPPES record last updated: August 19, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Chereen Zakieh Chalak Msn, Aprn, Fnp-bc NPPES

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

CHEREEN ZAKIEH CHALAK MSN, APRN, FNP-BC (NPI 1912739921) is an individual family provider in Newton, Massachusetts, licensed in Massachusetts (RN2372641) and active in the NPI registry since August 2024. She is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and is a graduate of Other (2024).

NPPES Registry Identity

NPI1912739921
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCHEREEN ZAKIEH CHALAKCredential: MSN, APRN, FNP-BC
Location Address71 NEEDHAM STNewton, MA 02461-1663
Mailing Address183 North StUpton, MA 01568-1508 · (508) 498-9331
Phone(857) 598-4460
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateAugust 19, 2024
NPPES CertifiedAugust 11, 2024
✔ NPI 1912739921 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MA · RN2372641
71 NEEDHAM ST, Newton, MA 02461
Open in Google Maps ↗

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 (PECOS)

Chereen Zakieh Chalak Msn, Aprn, Fnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4284165416
PECOS Enrollment IDI20240930000744
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 Chereen Chalak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mass General Brigham Urgent Care LLC
5.1 mi
Urgent Care
1285 BEACON ST
Brookline, MA 02446
  • Reassigned Medicare billing, Massachusetts enrollment
  • 144 clinicians in this Medicare group
NPI 1720486830 (617) 751-6205
Mass General Brigham Medical Group Northern Massachusetts Inc
21 mi
Emergency Medicine
81 HIGHLAND AVE
Salem, MA 01970
  • Reassigned Medicare billing, Massachusetts enrollment
  • 994 clinicians in this Medicare group
NPI 1588606123 (978) 354-4173

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 3

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
56 services55 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
15 services15 patients
Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19), influenza virus types a and b, and respiratory syncytial virus 87637
This test identifies if you have COVID-19, influenza A or B, or respiratory syncytial virus. It uses a multiplex amplified probe technique, which amplifies and detects specific genetic material of the viruses, helping in accurate diagnosis.
14 services14 patients

Hospital Affiliations CMS Care Compare

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

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02461 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 6

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

APOTHECO PHARMACY NEWTON LLC
Pharmacy (Community/Retail Pharmacy)
71 NEEDHAM ST
NEWTON, MA 02461
Middlesex County (857) 995-6669
DR. ALEXANDER SMOLYAR DMD
Dentist (General Practice)
71 NEEDHAM ST
NEWTON, MA 02461
Middlesex County (617) 712-2770
MASS GENERAL BRIGHAM URGENT CARE LLC
Clinic/Center (Urgent Care)
71 NEEDHAM ST
NEWTON, MA 02461
Middlesex County (857) 598-4460
SMOLYAR DENTAL LLC
Clinic/Center (Dental)
71 NEEDHAM ST
NEWTON, MA 02461
Middlesex County (617) 712-2770
EVAN CHARLES DRAINVILLE FNP-BC
Nurse Practitioner (Family)
71 NEEDHAM ST
NEWTON, MA 02461
Middlesex County (857) 598-4460
GRACE ELIZABETH MCGOLDRICK FNP-BC
Nurse Practitioner
71 NEEDHAM ST
NEWTON, MA 02461
Middlesex County (857) 598-4460

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 Chereen Chalak's NPI number?

The NPI number for Chereen Chalak is 1912739921. It was assigned to this individual provider in the NPPES registry on August 19, 2024.

Where is Chereen Chalak located?

Chereen Chalak practices at 71 Needham St, Newton, MA 02461. The listed phone number is (857) 598-4460.

What is Chereen Chalak's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Chereen Chalak enrolled in Medicare?

Yes. Chereen Chalak is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Chereen Chalak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chereen Chalak reassigns Medicare benefits to 2 organizations: Mass General Brigham Urgent Care LLC (Brookline, MA) and Mass General Brigham Medical Group Northern Massachusetts Inc (Salem, 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 Chereen Chalak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Chereen Chalak accept?

Health plans from Taro Health list Chereen Chalak 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 Chereen Chalak affiliated with any hospitals?

According to CMS data, Chereen Chalak is affiliated with Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Chereen Chalak was last updated on August 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.