Karen Bat-Sheba Saks, MD
Gastroenterology Physician · Portland, OR
Karen Bat-Sheba Saks, MD is a gastroenterology physician with a practice address in Portland, Oregon, and NPI 1306136502, issued on Apr 10, 2011. Check the license (Oregon MD179839, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Karen Bat-Sheba Saks
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD179839 OR
Self-reported in NPPES; status is on the state search - Practice location
- 9701 SW Barnes RD Ste 300, Portland, OR 97225
- Phone
- (503) 297-8081
- Enumerated
- Apr 10, 2011
- Record last updated
- Nov 19, 2024
- Fax
- (503) 292-6601
- Medicaid IDs
- 2025126 WA
500654961 OR - Medicare enrollment
- Enrolled (PECOS I20170703001583); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 281 in Oregon → Look up another NPI →
Also registered at 9701 SW Barnes RD Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adnan Ahmad, PHYSICIAN ASSISTANTPhysician Assistant1417788183
- Deron Amador, M.D.Gastroenterology Physician1841653490
- Manisha Apte, M.D.Gastroenterology Physician1851745129
- Leslie Brenton, RD LDRegistered Dietitian1417730367
- Michael Chew, MD, MSGastroenterology Physician1487912697
- Jennifer ChingRegistered Dietitian1003698192
Verify Karen Bat-Sheba Saks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD179839Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average gastroenterology physician in 2024
522 Medicare Part D claims for 251 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Ondansetron Odt118 claims
- Omeprazole58 claims
- Sutab44 claims
- Gavilyte-G34 claims
- Peg-3350 And Electrolytes24 claims
- Sod Sulf-Potass Sulf-Mag Sulf22 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- The Oregon Clinic, PCPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Bat-Sheba Saks among 281 gastroenterology physician records in Oregon
Karen Bat-Sheba Saks, MD is one of 281 gastroenterology physician records with a practice address in Oregon. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 76% of them.
- NPI issued2011 · 76% of these records are older, 22% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2011 · median 2003 among the 201 with a school on file
- Record last updated2024 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Oregon
There are 281 gastroenterology physician records in Oregon.
All 281 in Oregon → Every provider in Portland → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Christopher Carter, MDPortland, OR 972251003814799
- Glenn Eisen, MDPortland, OR 972251295741759
- David Grunkemeier, MDPortland, OR 972251972542090
- Larry Heinonen, MDPortland, OR 972251669478343
- John Jendrzejewski, MDPortland, OR 972251225034911
- Alan Kaynard, MDPortland, OR 972251356347991
- George Koval, MDPortland, OR 972251093711715
- John Lobitz, MDPortland, OR 972251851397558
Common questions
What is Karen Bat-Sheba Saks, MD's NPI number?
Karen Bat-Sheba Saks, MD's National Provider Identifier (NPI) is 1306136502, issued on Apr 10, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Karen Bat-Sheba Saks, MD located?
The NPPES record lists a practice address at 9701 SW Barnes RD Ste 300, Portland, OR, 97225. Phone: (503) 297-8081. Providers update this record themselves, so call before visiting.
How can I verify Karen Bat-Sheba Saks, MD's license?
NPPES lists Oregon license number MD179839, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karen Bat-Sheba Saks, MD prescribe under Medicare Part D?
In 2024, Karen Bat-Sheba Saks, MD had 522 Medicare Part D claims for 251 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.