Sangik Oh, MD
Gastroenterology Physician · Tacoma, WA
Sangik Oh, MD is a gastroenterology physician with a practice address in Tacoma, Washington, and NPI 1679550867, issued on Dec 28, 2005. Check the license (Washington MD44145, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Sangik Oh
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD44145 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1112 6TH Ave, Tacoma, WA 98405
- Phone
- (253) 272-8664
- Enumerated
- Dec 28, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (253) 428-8136
- Medicaid ID
- 8410375 WA
- Medicare enrollment
- Enrolled (PECOS I20041012001525); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 533 in Washington → Look up another NPI →
Also registered at 1112 6TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Baerg, MDGastroenterology Physician1447237631
- Diane Bai, M.D.Gastroenterology Physician1932145646
- John Carrougher, MDGastroenterology Physician1760469985
- Michael CusackStudent in an Organized Health Care Education/Training Program1578359600
- Morgan Davis, NPFamily Nurse Practitioner1154182731
- Dean Douglas, PA-CSurgical Physician Assistant1053424333
Verify Sangik Oh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD44145Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% more Medicare Part D claims than the average gastroenterology physician in 2024
1,322 Medicare Part D claims for 575 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Omeprazole213 claims
- Peg-3350 And Electrolytes132 claims
- Gavilyte-G122 claims
- Pantoprazole Sodium95 claims
- Gavilyte-C92 claims
- Famotidine79 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 2 group practices
- Franciscan Medical GroupBurien, WA
- Washington Gastroenterology PLLCBellevue, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sangik Oh among 533 gastroenterology physician records in Washington
Sangik Oh, MD is one of 533 gastroenterology physician records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1995 · median 2003 among the 373 with a school on file
- Record last updated2026 · 59% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Washington
There are 533 gastroenterology physician records in Washington.
All 533 in Washington → Every provider in Tacoma → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Steven Alabaster, MDTacoma, WA 984051801869623
- Richard Baerg, MDTacoma, WA 984051447237631
- Lanie Belic, M.D.Tacoma, WA 984051023081163
- John Carrougher, MDTacoma, WA 984051760469985
- Charles Donner, M.D.Tacoma, WA 984051144293127
- William Hirota, MDTacoma, WA 984051952388142
- William Holderman, M.D.Tacoma, WA 984051346213956
- Lin Huang, MD, PHDTacoma, WA 984051639154149
Common questions
What is Sangik Oh, MD's NPI number?
Sangik Oh, MD's National Provider Identifier (NPI) is 1679550867, issued on Dec 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Sangik Oh, MD located?
The NPPES record lists a practice address at 1112 6TH Ave, Tacoma, WA, 98405. Phone: (253) 272-8664. Providers update this record themselves, so call before visiting.
How can I verify Sangik Oh, MD's license?
NPPES lists Washington license number MD44145, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sangik Oh, MD prescribe under Medicare Part D?
In 2024, Sangik Oh, MD had 1,322 Medicare Part D claims for 575 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.