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MICHAEL KARIM MANSOUR MD, PHD
NPI 1437285863
Internal Medicine in Boston, MA

Active since February 27, 2007PECOS EnrolledAccepts Medicare Assignment
MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT STREET, BOSTON, MA 02114(617) 726-2066 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Michael Karim Mansour Md, Phd NPPES

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

MICHAEL KARIM MANSOUR MD, PHD (NPI 1437285863) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (L-224986) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Boston University School Of Medicine (2005).

NPPES Registry Identity

NPI1437285863
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMICHAEL KARIM MANSOURCredential: MD, PHD
Location AddressMASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT STREETBoston, MA 02114
Mailing AddressMassachusetts General Hospital, 55 Fruit StreetBoston, MA 02114 · (617) 726-2066
Phone(617) 726-2066
Sole ProprietorNo
Medical School CMSBoston University School Of MedicineGraduated 2005
Enumeration DateFebruary 27, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1437285863 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · L-224986
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
MASSACHUSETTS GENERAL HOSPITAL, Boston, MA 02114
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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

Michael Karim Mansour Md, Phd 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 ID5193875151
PECOS Enrollment IDI20090612000147
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.

Areas of Expertise CMS Part B claims 2

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
77 services31 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
29 services29 patients

Hospital Affiliations CMS Care Compare

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

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
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.

KAITLYN MY-TU LAM MBBS
Internal Medicine (Cardiovascular Disease)
MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT STREET
BOSTON, MA 02114
Suffolk County (617) 724-7738
ALAKA RAY M.D.
Internal Medicine
MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT STREET
BOSTON, MA 02114
Suffolk County (617) 726-2066
MEGHAN E SISE M.D.
Internal Medicine (Nephrology)
MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT STREET
BOSTON, MA 02114
Suffolk County (617) 726-2862
HUGH G AUCHINCLOSS M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT STREET
BOSTON, MA 02114
Suffolk County (617) 726-2000
ANGELA M. JACQUES MD
Pediatrics
MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT ST.
BOSTON, MA 02114
Suffolk County (617) 726-2066
NICOLE J LOOK-HONG MD, MSC
Surgery (Surgical Oncology)
MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT ST.
BOSTON, MA 02114
Suffolk County (617) 724-3868
CORINNA M ELLIOTT MA
Student in an Organized Health Care Education/Training Program
MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT STREET
BOSTON, MA 02114
Suffolk County (617) 724-5600
KIRAN J AGARWAL-HARDING MD
Orthopaedic Surgery
MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT ST.
BOSTON, MA 02114
Suffolk County (617) 726-2942

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 Michael Mansour's NPI number?

The NPI number for Michael Mansour is 1437285863. It was assigned to this individual provider in the NPPES registry on February 27, 2007.

Where is Michael Mansour located?

Michael Mansour practices at Massachusetts General Hospital 55 Fruit Street, Boston, MA 02114. The listed phone number is (617) 726-2066.

What is Michael Mansour's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Michael Mansour enrolled in Medicare?

Yes. Michael Mansour 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 Michael Mansour accept?

Health plans from Anthem Blue Cross and Blue Shield list Michael Mansour 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 Michael Mansour affiliated with any hospitals?

According to CMS data, Michael Mansour is affiliated with Massachusetts General Hospital.

When was this NPI record last updated?

The NPPES record for Michael Mansour was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.