Doctor profile · Federal record

Dr. Jeffrey Nadelson, M.D.

Gastroenterology Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Internal Medicine Physician · Providence, RI

  • NPI 1619263399
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
33 Staniford St Fl 1
Providence, RI 02905
(978) 289-0745
Additional location
956 Court Ave Ste H314
Memphis, TN 381032814

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
August 8, 2018
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (3)
Rhode Island #MD16090 · Rhode Island #LP02295 · Massachusetts #261952

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619263399. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
26,506
Distinct HCPCS
10
Medicare allowed
$308,680
HCPCS Description Services Patients Avg allowed
J1439 Injection, ferric carboxymaltose, 1 mg 15,750 18 $1
J3380 Injection, vedolizumab, 1 mg 8,700 15 $21
J1745 Injection, infliximab, excludes biosimilar, 10 mg 1,321 15 $33
45380 Biopsy of large bowel using a flexible endoscope 102 102 $150
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 84 81 $95
91200 Measurement of liver stiffness 84 84 $31
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 76 72 $131
J1100 Injection, dexamethasone sodium phosphate, 1 mg 76 12 $0
99214 Established patient office or other outpatient visit, 30-39 minutes 68 56 $130
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 55 53 $5

In context: peer comparison

Among 17 peers in Providence Gastroenterology Physician, average services per provider: 378. This provider delivers 70× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$214
Transactions
9
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, INC. 2 $61.79
Ironwood Pharmaceuticals, INC 2 $41.17
Celgene Corporation 1 $32.80
Ardelyx, INC. 1 $24.33
Aimmune Therapeutics, INC. 1 $22.03
Takeda Pharmaceuticals U.S.A., INC. 1 $19.10
Abbvie INC. 1 $13.22

By nature of payment

Food and Beverage
$214

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
788
Patients
182
Total drug cost
$131,875
Drug Type Claims Patients Total cost
Omeprazole Generic 294 98 $5,568
Pantoprazole Sodium Generic 154 46 $2,190
Famotidine Generic 62 19 $1,193
Dicyclomine Hcl Generic 41 19 $1,266
Linzess (Linaclotide) Brand 32 0 $23,110
Creon (Lipase/Protease/Amylase) Brand 30 0 $71,062
Prochlorperazine Maleate Generic 29 0 $321
Mirtazapine Generic 28 0 $1,791
Mesalamine Generic 25 0 $16,131
Propranolol Hcl Generic 19 0 $105

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jeffrey Nadelson's medical specialty?
Dr. Jeffrey Nadelson practices Gastroenterology Physician in Providence, RI.
Where does Dr. Jeffrey Nadelson practice?
Dr. Jeffrey Nadelson practices at 33 Staniford St Fl 1, Providence, RI 02905. Office phone: 9782890745.
What is Dr. Jeffrey Nadelson's NPI?
Dr. Jeffrey Nadelson's National Provider Identifier (NPI) is 1619263399, issued by NPPES.
Does Dr. Jeffrey Nadelson accept Medicare assignment?
Yes. Dr. Jeffrey Nadelson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jeffrey Nadelson commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, vedolizumab, 1 mg (HCPCS J3380); Injection, infliximab, excludes biosimilar, 10 mg (HCPCS J1745). Source: CMS Medicare Physician & Other Practitioners file.