Doctor profile · Federal record

Dr. John Reagan, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Providence, RI

  • NPI 1841418944
  • Accepts Medicare
  • 20 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
593 Eddy St, George Bldg., 3Rd Fl. #302
Providence, RI 029034923
(401) 444-5435
fax (401) 444-5392

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
February 13, 2017
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Rhode Island #MD13112

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841418944. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
538
Distinct HCPCS
10
Medicare allowed
$51,396
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 161 65 $98
99214 Established patient office or other outpatient visit, 30-39 minutes 83 48 $98
99213 Established patient office or other outpatient visit, 20-29 minutes 72 56 $67
99213 Established patient office or other outpatient visit, 20-29 minutes 42 37 $67
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 40 16 $80
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 24 20 $131
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 23 13 $120
99238 Hospital discharge day management, 30 minutes or less 22 13 $82
99215 Established patient office or other outpatient visit, 40-54 minutes 21 13 $144
99215 Established patient office or other outpatient visit, 40-54 minutes 20 11 $144

In context: peer comparison

Among 21 peers in Providence Hematology & Oncology Physician, average services per provider: 527. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,641
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 1 $3,342.50
Janssen Scientific Affairs, LLC 1 $150.00
Celgene Corporation 2 $148.42

By nature of payment

Consulting Fee
$3,493
Food and Beverage
$148

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
804
Patients
168
Total drug cost
$3,193,304
Drug Type Claims Patients Total cost
Hydroxyurea Generic 124 33 $4,785
Acyclovir Generic 86 25 $1,215
Revlimid (Lenalidomide) Brand 77 14 $1,331,871
Oxycodone Hcl Generic 76 17 $1,160
Lenalidomide Generic 54 15 $639,076
Oxycontin (Oxycodone Hcl) Brand 45 0 $33,816
Imatinib Mesylate Generic 44 0 $61,451
Prednisone Generic 42 16 $262
Valacyclovir (Valacyclovir Hcl) Brand 42 14 $1,977
Gabapentin Generic 41 0 $687

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Reagan's medical specialty?
Dr. John Reagan practices Hematology & Oncology Physician in Providence, RI.
Where does Dr. John Reagan practice?
Dr. John Reagan practices at 593 Eddy St, Providence, RI 029034923. Office phone: 4014445435.
What is Dr. John Reagan's NPI?
Dr. John Reagan's National Provider Identifier (NPI) is 1841418944, issued by NPPES.
Does Dr. John Reagan accept Medicare assignment?
Yes. Dr. John Reagan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Reagan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.