Doctor profile · Federal record

Dr. Sean Whelton, M.D.

Rheumatology Physician (CMS: Rheumatology) · Rheumatology Physician · Washington, DC

  • NPI 1659370757
  • Accepts Medicare
  • MIPS 75.7 / 100 · 2023
  • 29 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3800 Reservoir RD Nw
Washington, DC 200072113
(202) 687-8233
fax (202) 687-8579
Mailing address
Po Box 418283
Boston, MA 022418283

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
March 15, 2012
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State licenses (2)
District of Columbia #MD32259 · Virginia #0101058120
Medicaid (3)
VA #5474122 · MD #3679918000 · DC #033957100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659370757. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
180
Distinct HCPCS
3
Medicare allowed
$25,530
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 121 67 $146
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 36 12 $88
99215 Established patient office or other outpatient visit, 40-54 minutes 23 18 $204

In context: peer comparison

Among 18 peers in this city , average services per provider: 428. This provider delivers 0.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$255
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Mirum Pharmaceuticals, Inc. 1 $135.72
GENZYME CORPORATION 1 $118.80

By nature of payment

Food and Beverage
$255

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
409
Patients
29
Total drug cost
$546,433
Drug Type Claims Patients Total cost
Prednisone Generic 72 18 $1,035
Hydroxychloroquine Sulfate Generic 37 0 $2,483
Gabapentin Generic 36 0 $406
Actemra Actpen (Tocilizumab) Brand 35 0 $144,994
Celecoxib Generic 33 11 $1,881
Methotrexate (Methotrexate Sodium) Brand 29 0 $1,542
Xeljanz Xr (Tofacitinib Citrate) Brand 28 0 $202,374
Cyclobenzaprine Hcl Generic 24 0 $91
Alendronate Sodium Generic 20 0 $389
Allopurinol Generic 20 0 $359

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sean Whelton's medical specialty?
Dr. Sean Whelton practices Rheumatology Physician in Washington, DC.
Where does Dr. Sean Whelton practice?
Dr. Sean Whelton practices at 3800 Reservoir RD Nw, Washington, DC 200072113. Office phone: 2026878233.
What is Dr. Sean Whelton's NPI?
Dr. Sean Whelton's National Provider Identifier (NPI) is 1659370757, issued by NPPES.
Does Dr. Sean Whelton accept Medicare assignment?
Yes. Dr. Sean Whelton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sean Whelton 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); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.