Mark Blaine Potter, D.O.
Gastroenterology Physician · Tacoma, WA
Mark Blaine Potter, D.O. is a gastroenterology physician with a practice address in Tacoma, Washington, and NPI 1992776884, issued on Jan 30, 2006. Check the license (Washington OP60322613, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Mark Blaine Potter
- Credential
- D.O.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- OP60322613 WA
02002013A IN
Self-reported in NPPES; status is on the state search - Practice location
- 1112 6TH Ave Ste 200, Tacoma, WA 98405
- Phone
- (253) 272-8664
- Enumerated
- Jan 30, 2006
- Record last updated
- May 23, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (253) 627-7880
- Medicare enrollment
- Enrolled (PECOS I20110330000925); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 533 in Washington → Look up another NPI →
Also registered at 1112 6TH Ave Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jesus CazaresPhysician Assistant1518511724
- Margaret Glissmeyer, PA-CMedical Physician Assistant1669402962
- Kalyan Kanneganti, M.DGastroenterology Physician1578769303
- Charles Scheurich, M.D.Gastroenterology Physician1396898839
- John Sun, MDGastroenterology Physician1972681500
- Yesenia Williams, FNPFamily Nurse Practitioner1033665682
Verify Mark Blaine Potter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP60322613Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average gastroenterology physician in 2024
118 Medicare Part D claims for 114 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Peg-3350 And Electrolytes36 claims
- Gavilyte-G35 claims
- Gavilyte-C20 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.
Industry payments in 2024: $23.29
1 payment: food and beverage; the largest payer was Olympus America Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Franciscan Medical GroupTacoma, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Blaine Potter among 533 gastroenterology physician records in Washington
Mark Blaine Potter, D.O. 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 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 48% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1997 · median 2003 among the 373 with a school on file
- Record last updated2018 · 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 Mark Blaine Potter, D.O.'s NPI number?
Mark Blaine Potter, D.O.'s National Provider Identifier (NPI) is 1992776884, issued on Jan 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Blaine Potter, D.O. located?
The NPPES record lists a practice address at 1112 6TH Ave Ste 200, Tacoma, WA, 98405. Phone: (253) 272-8664. Providers update this record themselves, so call before visiting.
How can I verify Mark Blaine Potter, D.O.'s license?
NPPES lists Washington license number OP60322613, 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 Mark Blaine Potter, D.O. prescribe under Medicare Part D?
In 2024, Mark Blaine Potter, D.O. had 118 Medicare Part D claims for 114 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.