Doctor profile · Federal record

Dr. Karen Saks, MD

Gastroenterology Physician (CMS: Gastroenterology) · Portland, OR

  • NPI 1306136502
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9701 Sw Barnes RD Ste 300
Portland, OR 972256689
(503) 297-8081
fax (503) 292-6601
Mailing address
541 Ne 20Th Ave Ste 225
Portland, OR 972322895

Credentials & registration

NPPES · NUCC
NPI registered
April 2011 — 15 yrs on file
Profile last updated
November 19, 2024
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Oregon #MD179839
Medicaid (2)
WA #2025126 · OR #500654961

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306136502. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
165
Distinct HCPCS
6
Medicare allowed
$19,561
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 49 31 $37
99214 Established patient office or other outpatient visit, 30-39 minutes 32 27 $131
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 30 30 $250
99213 Established patient office or other outpatient visit, 20-29 minutes 28 23 $93
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 13 12 $95
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $170

In context: peer comparison

Among 45 peers in Portland Gastroenterology Physician, average services per provider: 59. This provider delivers 2.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
137
Patients
78
Total drug cost
$134,586
Drug Type Claims Patients Total cost
Omeprazole Generic 49 20 $989
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 27 27 $4,642
Ondansetron Odt (Ondansetron) Brand 16 16 $122
Colestipol Hcl Generic 15 0 $3,155
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 15 15 $285
Humira(Cf) Pen (Adalimumab) Brand 15 0 $125,393

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Saks's medical specialty?
Dr. Karen Saks practices Gastroenterology Physician in Portland, OR.
Where does Dr. Karen Saks practice?
Dr. Karen Saks practices at 9701 Sw Barnes RD Ste 300, Portland, OR 972256689. Office phone: 5032978081.
What is Dr. Karen Saks's NPI?
Dr. Karen Saks's National Provider Identifier (NPI) is 1306136502, issued by NPPES.
Does Dr. Karen Saks accept Medicare assignment?
Yes. Dr. Karen Saks accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Saks commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Established patient office or other outpatient visit (HCPCS 99214); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.