Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

BRENT A RAGAR M.D.
NPI 1184682825
Internal Medicine in Boston, MA

Active since May 03, 2006PECOS Enrolled
55 FRUIT STREET, MASSACHUSETTS GENERAL HOSPITAL, BOSTON, MA 02114(617) 726-5317 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Brent A Ragar M.d. NPPES

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

BRENT A RAGAR M.D. (NPI 1184682825) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (227122) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Washington University School Of Medicine (2003).

NPPES Registry Identity

NPI1184682825
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameBRENT A RAGARCredential: M.D.
Location Address55 FRUIT STREET, MASSACHUSETTS GENERAL HOSPITALBoston, MA 02114
Mailing Address55 Fruit Street, Massachusetts General HospitalBoston, MA 02114 · (617) 726-5317
Sole ProprietorNo
Medical School CMSWashington University School Of MedicineGraduated 2003
Enumeration DateMay 3, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1184682825 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 · 227122
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.

55 FRUIT STREET, Boston, MA 02114

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

Brent A Ragar 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 ID1052402138
PECOS Enrollment IDI20090616000282
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 2024 & 2026 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.
166 services159 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.
118 services111 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.

Pediatrics
55 FRUIT STREET, YAWKEY 5-062 MASSACHUSETTS GENERAL HOSPITAL
BOSTON, MA 02114
Anesthesiology
55 FRUIT STREET, CLN 309
BOSTON, MA 02114
Urology (Pediatric Urology)
55 FRUIT STREET, WRN 11
BOSTON, MA 02114
Pathology (Anatomic Pathology & Clinical Pathology)
55 FRUIT STREET, WRN 2 PATHOLOGY ASSOCIATES
BOSTON, MA 02114
Internal Medicine
55 FRUIT STREET, BLK 4
BOSTON, MA 02114
Obstetrics & Gynecology
55 FRUIT STREET, YAW 10-A VINCENT OB GYN REPRODUCTIVE MED & IVF
BOSTON, MA 02114
Urology
55 FRUIT STREET, MASSACHUSETTS GENERAL HOSPITAL YAWKEY CENTER SUITE 7E
BOSTON, MA 02114
Nurse Practitioner
55 FRUIT STREET, YAW 7E
BOSTON, MA 02114

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1184682825, enumerated as an "individual" on May 03, 2006.

The provider is located at 55 FRUIT STREET MASSACHUSETTS GENERAL HOSPITAL BOSTON, MA 02114 and the phone number is (617) 726-5317.

Internal Medicine with taxonomy code 207R00000X.

Brent Ragar is affiliated with: MASSACHUSETTS GENERAL HOSPITAL.