Christopher John Carlson, M.D.
Gastroenterology Physician · Seattle, WA
Christopher John Carlson, M.D. is a gastroenterology physician with a practice address in Seattle, Washington, and NPI 1821011065, issued on Jul 26, 2006. Check the license (Washington MD00042230, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Christopher John Carlson
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD00042230 WA
Self-reported in NPPES; status is on the state search - Practice location
- 325 9TH Ave, Seattle, WA 98104
- Phone
- (206) 731-3241
- Enumerated
- Jul 26, 2006
- Record last updated
- Apr 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 1821011065 WA
- Medicare enrollment
- Enrolled (PECOS I20060913000536); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 533 in Washington → Look up another NPI →
Also registered at 325 9TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Noor Aaf, PA-CMedical Physician Assistant1558394171
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- Collette AbbottHospitalist Physician1306208293
- Akrm Abdalrahman, MD, MSCritical Care Medicine (Anesthesiology) Physician1801374905
- Martin Abdo, COUNSELORCounselor1821202904
- Nauzley Abedini, M.D.Hospice and Palliative Medicine (Internal Medicine) Physician1043637408
Verify Christopher John Carlson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00042230Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average gastroenterology physician in 2024
346 Medicare Part D claims for 127 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims. 14 claims were for opioids.
Most prescribed
- Pantoprazole Sodium43 claims
- Omeprazole39 claims
- Creon33 claims
- Famotidine30 claims
- Gavilyte-G24 claims
- Sod Sulf-Potass Sulf-Mag Sulf21 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.
The MIPS final score for 2023 (Medicare payment program): 83.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $110.31
1 payment: food and beverage; the largest payer was 3-D Matrix, 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 2 group practices
- Pacmed ClinicsSeattle, WA
- Swedish Health ServicesSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher John Carlson among 533 gastroenterology physician records in Washington
Christopher John Carlson, M.D. 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
- Graduated1999 · median 2003 among the 373 with a school on file
- Record last updated2021 · 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 Seattle → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Karlee Ausk, MDSeattle, WA 981041336159789
- Charles Bedard, MDSeattle, WA 981041184610214
- Richard Driscoll, MDSeattle, WA 981041447246582
- Martin Greene, MDSeattle, WA 981041952391856
- Lulu Iles-Shih, M.D.Seattle, WA 981041275748691
- Shoba Krishnamurthy, M.D.Seattle, WA 981041235128943
- Nicholas Procaccini, MDSeattle, WA 981041336351147
- Robert Sanford, MDSeattle, WA 981041972599777
Common questions
What is Christopher John Carlson, M.D.'s NPI number?
Christopher John Carlson, M.D.'s National Provider Identifier (NPI) is 1821011065, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christopher John Carlson, M.D. located?
The NPPES record lists a practice address at 325 9TH Ave, Seattle, WA, 98104. Phone: (206) 731-3241. Providers update this record themselves, so call before visiting.
How can I verify Christopher John Carlson, M.D.'s license?
NPPES lists Washington license number MD00042230, 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 Christopher John Carlson, M.D. prescribe under Medicare Part D?
In 2024, Christopher John Carlson, M.D. had 346 Medicare Part D claims for 127 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Christopher John Carlson, M.D.'s MIPS final score?
The 2023 MIPS final score is 83.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.