Doctor profile · Federal record

Dr. Raffi Karagozian, MD

Gastroenterology Physician (CMS: Pulmonary Disease) · Transplant Hepatology Physician · Boston, MA

  • NPI 1356394233
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
800 Washington St # 233
Boston, MA 021111552
(617) 636-5883
fax (617) 636-9292
Additional location
1000 Asylum Ave, Suite 3212
Hartford, CT 061051770
(860) 522-1171
Mailing address
800 Washington St
Boston, MA 021111552

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
February 12, 2021
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Massachusetts #219980
Medicaid
MA #2079933

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356394233. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
363
Distinct HCPCS
10
Medicare allowed
$38,690
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 105 91 $104
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 42 17 $127
91200 Measurement of liver stiffness 37 37 $11
99215 Established patient office or other outpatient visit, 40-54 minutes 29 21 $149
45380 Biopsy of large bowel using a flexible endoscope 26 26 $160
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 24 22 $85
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 23 23 $139
99213 Established patient office or other outpatient visit, 20-29 minutes 22 22 $71
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 21 21 $104
99204 New patient office or other outpatient visit, 45-59 minutes 21 21 $143

In context: peer comparison

Among 78 peers in this city , average services per provider: 56. This provider delivers 6.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$5,888
Transactions
10
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Ipsen Biopharmaceuticals, Inc 7 $5,840.44
Mallinckrodt Hospital Products Inc. 1 $20.58
Madrigal Pharmaceuticals 1 $15.00
Gilead Sciences, Inc. 1 $11.59

By nature of payment

Honoraria
$4,658
Travel and Lodging
$966
Food and Beverage
$253
Education
$12

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
399
Patients
66
Total drug cost
$457,542
Drug Type Claims Patients Total cost
Ursodiol Generic 105 24 $32,288
Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 43 42 $781
Ocaliva (Obeticholic Acid) Brand 36 0 $365,058
Azathioprine Generic 27 0 $1,526
Furosemide Generic 26 0 $184
Omeprazole Generic 24 0 $495
Vemlidy (Tenofovir Alafenamide) Brand 20 0 $29,926
Entecavir Generic 18 0 $20,684
Mycophenolate Mofetil Generic 17 0 $735
Tacrolimus Generic 16 0 $1,764

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Raffi Karagozian's medical specialty?
Dr. Raffi Karagozian practices Gastroenterology Physician in Boston, MA.
Where does Dr. Raffi Karagozian practice?
Dr. Raffi Karagozian practices at 800 Washington St # 233, Boston, MA 021111552. Office phone: 6176365883.
What is Dr. Raffi Karagozian's NPI?
Dr. Raffi Karagozian's National Provider Identifier (NPI) is 1356394233, issued by NPPES.
Does Dr. Raffi Karagozian accept Medicare assignment?
Yes. Dr. Raffi Karagozian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Raffi Karagozian commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Measurement of liver stiffness (HCPCS 91200). Source: CMS Medicare Physician & Other Practitioners file.