Doctor profile · Federal record

Dr. Stephen Carp, D.O.

Internal Medicine Physician (CMS: Internal Medicine) · Keizer, OR

  • NPI 1881638310
  • Accepts Medicare
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5900 Inland Shores Way N
Keizer, OR 973033883
(503) 399-2424
fax (503) 375-7429
Mailing address
Po Box 8100
Salem, OR 973030900

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
May 20, 2010
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Oregon #MD286859
Medicaid
OR #286859

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881638310. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,192
Distinct HCPCS
10
Medicare allowed
$131,723
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 662 149 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 553 147 $108
80053 Blood test, comprehensive group of blood chemicals 317 142 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 316 144 $8
80061 Blood test, lipids (cholesterol and triglycerides) 245 136 $13
83721 Ldl cholesterol level 241 135 $10
83036 Hemoglobin a1c level 158 83 $10
80048 Blood test, basic group of blood chemicals (calcium, total) 142 70 $8
99215 Established patient office or other outpatient visit, 40-54 minutes 133 72 $153
84443 Blood test, thyroid stimulating hormone (tsh) 109 76 $16

In context: peer comparison

Among 2 peers in Keizer Internal Medicine Physician, average services per provider: 88. This provider delivers 48× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,967
Patients
1,290
Total drug cost
$279,456
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 655 187 $9,565
Levothyroxine Sodium Generic 480 109 $7,970
Amlodipine Besylate Generic 461 111 $3,369
Ezetimibe Generic 394 95 $12,086
Losartan Potassium Generic 393 106 $5,298
Omeprazole Generic 357 110 $6,968
Metoprolol Succinate Generic 311 74 $6,447
Furosemide Generic 302 75 $2,446
Potassium Chloride Generic 299 86 $15,514
Lisinopril Generic 259 70 $2,509

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Carp's medical specialty?
Dr. Stephen Carp practices Internal Medicine Physician in Keizer, OR.
Where does Dr. Stephen Carp practice?
Dr. Stephen Carp practices at 5900 Inland Shores Way N, Keizer, OR 973033883. Office phone: 5033992424.
What is Dr. Stephen Carp's NPI?
Dr. Stephen Carp's National Provider Identifier (NPI) is 1881638310, issued by NPPES.
Does Dr. Stephen Carp accept Medicare assignment?
Yes. Dr. Stephen Carp accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Carp commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.