Doctor profile · Federal record

Dr. John O'Bell, MD

Nephrology Physician (CMS: Hospitalist) · Hospitalist Physician · Nephrology Physician · Riverside, RI

  • NPI 1982657805
  • Accepts Medicare
  • 28 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
375 Wampanoag Trl, Suite 302A
Riverside, RI 029152232
(401) 649-4060
fax (401) 649-4061
Additional location
43 High St
Wareham, MA 025712097
(508) 973-5919
fax (508) 973-5916
Mailing address
110 Elm St
Providence, RI 029034626

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
January 22, 2025
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State licenses (2)
Rhode Island #MD11473 · Massachusetts #205573
Medicaid (2)
RI #7056844 · MA #2094461

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982657805. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
668
Distinct HCPCS
8
Medicare allowed
$109,070
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 245 97 $80
99214 Established patient office or other outpatient visit, 30-39 minutes 137 71 $130
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 112 18 $353
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 95 94 $175
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 37 17 $296
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 16 16 $83
99443 Telephone medical discussion with physician, 21-30 minutes 15 11 $129
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 11 11 $120

In context: peer comparison

Among 6 peers in Riverside Nephrology Physician, average services per provider: 68. This provider delivers 9.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$241
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Travere Therapeutics, INC. 2 $137.10
Otsuka America Pharmaceutical, INC. 1 $103.77

By nature of payment

Food and Beverage
$241

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
555
Patients
84
Total drug cost
$44,651
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 94 29 $543
Torsemide Generic 62 15 $1,332
Losartan Potassium Generic 54 16 $844
Furosemide Generic 46 13 $480
Doxazosin Mesylate Generic 37 0 $546
Hydrochlorothiazide Generic 30 0 $49
Jardiance (Empagliflozin) Brand 30 0 $30,940
Lisinopril Generic 30 11 $492
Carvedilol Generic 29 0 $276
Sevelamer Carbonate Generic 28 0 $5,255

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John O'Bell's medical specialty?
Dr. John O'Bell practices Nephrology Physician in Riverside, RI.
Where does Dr. John O'Bell practice?
Dr. John O'Bell practices at 375 Wampanoag Trl, Riverside, RI 029152232. Office phone: 4016494060.
What is Dr. John O'Bell's NPI?
Dr. John O'Bell's National Provider Identifier (NPI) is 1982657805, issued by NPPES.
Does Dr. John O'Bell accept Medicare assignment?
Yes. Dr. John O'Bell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John O'Bell commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960). Source: CMS Medicare Physician & Other Practitioners file.