Doctor profile · Federal record

Dr. Monzurul Chowdhury, M.D., M.R.C.P.

Internal Medicine Physician (CMS: Nephrology) · Hospitalist Physician · Marlborough, MA

  • NPI 1770875817
  • Accepts Medicare
  • 23 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
157 Union St
Marlborough, MA 017521228
(508) 486-5678
fax (508) 486-5677
Additional location
267 Grant St
Bridgeport, CT 066102805
(203) 384-3882
fax (203) 384-3135
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
May 2011 — 15 yrs on file
Profile last updated
March 17, 2018
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Massachusetts #270496 · Connecticut #052690

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770875817. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
952
Distinct HCPCS
10
Medicare allowed
$149,351
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 199 94 $133
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 192 67 $82
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 123 63 $123
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 102 45 $361
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 79 74 $178
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 60 39 $299
99213 Established patient office or other outpatient visit, 20-29 minutes 52 31 $95
99215 Established patient office or other outpatient visit, 40-54 minutes 50 37 $185
99239 Hospital discharge day management, more than 30 minutes 30 28 $119
99205 New patient office or other outpatient visit, 60-74 minutes 23 23 $223

In context: peer comparison

Among 9 peers in this city , average services per provider: 118. This provider delivers 8.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,137
Transactions
42
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Mallinckrodt Hospital Products Inc. 6 $210.59
Bayer Healthcare Pharmaceuticals Inc. 4 $131.90
Aurinia Pharma U.S., Inc. 4 $112.88
AstraZeneca Pharmaceuticals LP 5 $110.43
Otsuka America Pharmaceutical, Inc. 3 $84.27
Lilly USA, LLC 3 $80.82
Novartis Pharmaceuticals Corporation 3 $67.98
Boehringer Ingelheim Pharmaceuticals, Inc. 2 $56.43
Amgen Inc. 2 $55.88
CorMedix Inc. 1 $48.20
CALLIDITAS THERAPEUTICS US INC. 2 $45.39
Alexion Pharmaceuticals, Inc. 2 $44.35
Travere Therapeutics, Inc. 3 $26.73
Novo Nordisk Inc 1 $23.68
Ardelyx, Inc. 1 $22.87

By nature of payment

Food and Beverage
$1,055
Education
$82

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,032
Patients
291
Total drug cost
$49,510
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 234 72 $2,560
Losartan Potassium Generic 130 43 $1,852
Furosemide Generic 105 34 $892
Calcitriol Generic 76 32 $2,939
Hydrochlorothiazide Generic 68 21 $429
Hydralazine Hcl Generic 63 17 $907
Carvedilol Generic 62 20 $849
Allopurinol Generic 57 15 $1,016
Lisinopril Generic 56 21 $440
Atorvastatin Calcium Generic 45 16 $842

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Monzurul Chowdhury's medical specialty?
Dr. Monzurul Chowdhury practices Internal Medicine Physician in Marlborough, MA.
Where does Dr. Monzurul Chowdhury practice?
Dr. Monzurul Chowdhury practices at 157 Union St, Marlborough, MA 017521228. Office phone: 5084865678.
What is Dr. Monzurul Chowdhury's NPI?
Dr. Monzurul Chowdhury's National Provider Identifier (NPI) is 1770875817, issued by NPPES.
Does Dr. Monzurul Chowdhury accept Medicare assignment?
Yes. Dr. Monzurul Chowdhury accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Monzurul Chowdhury 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 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.