Doctor profile · Federal record

Dr. Kevin Welk, MD

Rheumatology Physician (CMS: Rheumatology) · Rheumatology Physician · Mount Vernon, WA

  • NPI 1902804925
  • Accepts Medicare
  • 29 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1400 E. Kincaid Street
Mount Vernon, WA 982744127
(360) 428-2555
fax (360) 428-6402

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
November 3, 2010
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State licenses (2)
Washington #MD00049196 · Oklahoma #22416
Medicaid
OK #100825640B

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902804925. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
745
Distinct HCPCS
5
Medicare allowed
$90,217
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 365 225 $97
99215 Established patient office or other outpatient visit, 40-54 minutes 213 136 $142
99205 New patient office or other outpatient visit, 60-74 minutes 88 88 $178
99204 New patient office or other outpatient visit, 45-59 minutes 62 62 $132
20610 Aspiration and/or injection of fluid from large joint 17 11 $49

In context: peer comparison

Among 2 peers in Mount Vernon Rheumatology Physician, average services per provider: 116. This provider delivers 6.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$66
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 3 $40.85
Abbvie INC. 1 $25.52

By nature of payment

Food and Beverage
$66

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,493
Patients
443
Total drug cost
$931,640
Drug Type Claims Patients Total cost
Methotrexate (Methotrexate Sodium) Brand 370 110 $18,862
Hydroxychloroquine Sulfate Generic 191 60 $16,865
Leflunomide Generic 184 55 $18,205
Prednisone Generic 128 57 $1,940
Sulfasalazine Generic 117 41 $6,881
Allopurinol Generic 91 31 $1,883
Alendronate Sodium Generic 70 27 $863
Folic Acid Generic 64 22 $388
Tramadol Hcl Generic 47 0 $351
Enbrel Sureclick (Etanercept) Brand 42 0 $302,725

Frequently asked questions

Auto-generated from federal data
What is Dr. Kevin Welk's medical specialty?
Dr. Kevin Welk practices Rheumatology Physician in Mount Vernon, WA.
Where does Dr. Kevin Welk practice?
Dr. Kevin Welk practices at 1400 E. Kincaid Street, Mount Vernon, WA 982744127. Office phone: 3604282555.
What is Dr. Kevin Welk's NPI?
Dr. Kevin Welk's National Provider Identifier (NPI) is 1902804925, issued by NPPES.
Does Dr. Kevin Welk accept Medicare assignment?
Yes. Dr. Kevin Welk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kevin Welk 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 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.