DR. TAREK HASSAAN MOUHIEDDINE MD
NPI 1831658731
Internal Medicine - Medical Oncology in Boston, MA

Q: What is Tarek Mouhieddine's NPI number?

The NPI number for Tarek Mouhieddine is 1831658731. It was assigned to this individual provider in the NPPES registry on March 19, 2019.

Q: What is Tarek Mouhieddine's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Q: When was this NPI record last updated?

The NPPES record for Tarek Mouhieddine was last updated on May 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since March 19, 2019PECOS EnrolledAccepts Medicare Assignment

450 BROOKLINE AVE, BOSTON, MA 02215(617) 632-3000(617) 632-6624 Get Directions Write a Review

NPPES record last updated: May 20, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 20, 2026, Oct 12, 2025, Jul 15, 2023 and 2 more (5 updates tracked since 2019).

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About Dr. Tarek Hassaan Mouhieddine Md NPPES

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

DR. TAREK HASSAAN MOUHIEDDINE MD (NPI 1831658731) is an individual medical oncology provider in Boston, Massachusetts, licensed in Massachusetts (1023488) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1831658731

Entity TypeIndividualMale

Primary Taxonomy207RX0202X

Provider Legal NameDR. TAREK HASSAAN MOUHIEDDINECredential: MD

Location Address450 BROOKLINE AVEBoston, MA 02215-5450

Mailing Address450 Brookline AveBoston, MA 02215-5418 · (617) 632-3000

Phone(617) 632-3000

Fax(617) 632-6624

Sole ProprietorYes

Medical School CMSOtherGraduated 2016

Enumeration DateMarch 19, 2019

Last NPPES UpdateMay 20, 20265 updates tracked since enumeration

NPPES CertifiedMay 20, 2026

✔ NPI 1831658731 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RX0202X

License✔ Licensed in MA · 1023488

Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

Also ListedInternal Medicine · HematologyTaxonomy 207RH0000X · License 1023488 (MA)

450 BROOKLINE AVE, Boston, MA 02215

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Other Identifiers 2

Other310698NY · Medical License

Other1023488MA · License

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Tarek Hassaan Mouhieddine Md 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 ID5597096701

PECOS Enrollment IDI20250708002242

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.

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 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

$189.86 typical visit price

range $63.72 – $189.86

Typical copayment $47.46 (range $15.93 – $47.46)

Most-billed visit code 99205

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 Tarek Mouhieddine's NPI number?

The NPI number for Tarek Mouhieddine is 1831658731. It was assigned to this individual provider in the NPPES registry on March 19, 2019.

Where is Tarek Mouhieddine located?

Tarek Mouhieddine practices at 450 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 632-3000.

What is Tarek Mouhieddine's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Tarek Mouhieddine enrolled in Medicare?

Yes. Tarek Mouhieddine 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.

What insurance does Tarek Mouhieddine accept?

Health plans from Anthem Blue Cross and Blue Shield list Tarek Mouhieddine 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 Tarek Mouhieddine affiliated with any hospitals?

According to CMS data, Tarek Mouhieddine is affiliated with Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Tarek Mouhieddine was last updated on May 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.