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ELIAS N BAEDORF KASSIS M.D.
NPI 1225358799
Internal Medicine - Critical Care Medicine in Boston, MA

Active since June 08, 2010PECOS EnrolledAccepts Medicare Assignment
MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT ST., BOSTON, MA 02114(617) 726-2865 Get Directions Write a Review

NPPES record last updated: July 9, 2018. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Elias N Baedorf Kassis M.d. NPPES

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

ELIAS N BAEDORF KASSIS M.D. (NPI 1225358799) is an individual critical care medicine provider in Boston, Massachusetts, licensed in Massachusetts (254126) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Hospital - Needham, and maintains a secondary practice location in Boston.

NPPES Registry Identity

NPI1225358799
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameELIAS N BAEDORF KASSISCredential: M.D.
Location AddressMASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT ST.Boston, MA 02114
Mailing Address19 Fairview StRoslindale, MA 02131-1611 · (401) 965-2257
Phone(617) 726-2865
Sole ProprietorNo
Medical School CMSYale University School Of MedicineGraduated 2010
Enumeration DateJune 8, 2010
Last NPPES UpdateJuly 9, 2018
✔ NPI 1225358799 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License✔ Licensed in MA · 254126
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
MASSACHUSETTS GENERAL HOSPITAL, Boston, MA 02114
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Secondary Practice Location 1

Location 1Massachusetts General Hospital, 55 Fruit St.Boston, MA 02114 · Phone (617) 726-2865

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

Elias N Baedorf Kassis M.d. 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 ID6002078730
PECOS Enrollment IDI20130813000115
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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
215 services100 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
25 services22 patients

Hospital Affiliations CMS Care Compare 2

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

Beth Israel Deaconess Hospital - Needham

Acute Care Hospitals · Needham, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220083
Location148 Chestnut StreetNeedham, MA 02494 · Norfolk County
Emergency services

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 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 Elias Baedorf Kassis's NPI number?

The NPI number for Elias Baedorf Kassis is 1225358799. It was assigned to this individual provider in the NPPES registry on June 8, 2010.

Where is Elias Baedorf Kassis located?

Elias Baedorf Kassis practices at Massachusetts General Hospital 55 Fruit St., Boston, MA 02114. The listed phone number is (617) 726-2865.

What is Elias Baedorf Kassis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Elias Baedorf Kassis enrolled in Medicare?

Yes. Elias Baedorf Kassis 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.

Is Elias Baedorf Kassis affiliated with any hospitals?

According to CMS data, Elias Baedorf Kassis is affiliated with Beth Israel Deaconess Hospital - Needham and Beth Israel Deaconess Medical Center.

When was this NPI record last updated?

The NPPES record for Elias Baedorf Kassis was last updated on July 9, 2018. NPI Profile syncs with the weekly NPPES data releases published by CMS.