Doctor profile · Federal record

Dr. Fredrick Weisensee, M.D.

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

  • NPI 1275579260
  • Accepts Medicare
  • MIPS 89.2 / 100 · 2023
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3521 Nw Samaritan Dr, Suite 201
Corvallis, OR 973304744
(541) 768-5140
Mailing address
Po Box 1189
Corvallis, OR 973391189

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
November 6, 2020
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Oregon #MD15287

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275579260. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
804
Distinct HCPCS
8
Medicare allowed
$69,192
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 454 214 $93
99213 Established patient office or other outpatient visit, 20-29 minutes 214 167 $63
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 36 36 $124
99215 Established patient office or other outpatient visit, 40-54 minutes 27 23 $137
91320 Sarscv2 vac 30mcg trs-suc im 25 25 $128
90480 Admn sarscov2 vacc 1 dose 24 24 $39
99212 Established patient office or other outpatient visit, 10-19 minutes 13 13 $34
20610 Aspiration and/or injection of fluid from large joint 11 11 $45

In context: peer comparison

Among 39 peers in Corvallis Internal Medicine Physician, average services per provider: 75. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$131
Transactions
6
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 4 $88.38
Lilly USA, LLC 1 $24.25
Exact Sciences Corporation 1 $18.65

By nature of payment

Food and Beverage
$131

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,327
Patients
1,148
Total drug cost
$75,670
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 751 206 $10,620
Levothyroxine Sodium Generic 424 106 $7,210
Amlodipine Besylate Generic 407 103 $3,280
Losartan Potassium Generic 402 116 $7,644
Lisinopril Generic 396 113 $5,092
Gabapentin Generic 310 73 $11,605
Omeprazole Generic 247 52 $3,759
Metoprolol Succinate Generic 227 58 $4,641
Tamsulosin Hcl Generic 219 52 $4,285
Metformin Hcl Generic 215 60 $3,020

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Fredrick Weisensee's medical specialty?
Dr. Fredrick Weisensee practices Internal Medicine Physician in Corvallis, OR.
Where does Dr. Fredrick Weisensee practice?
Dr. Fredrick Weisensee practices at 3521 Nw Samaritan Dr, Corvallis, OR 973304744. Office phone: 5417685140.
What is Dr. Fredrick Weisensee's NPI?
Dr. Fredrick Weisensee's National Provider Identifier (NPI) is 1275579260, issued by NPPES.
Does Dr. Fredrick Weisensee accept Medicare assignment?
Yes. Dr. Fredrick Weisensee accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Fredrick Weisensee 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 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.