Joanna K. Law, MD
Gastroenterology Physician · Seattle, WA
Joanna K. Law, MD is a gastroenterology physician with a practice address in Seattle, Washington, and NPI 1942560776, issued on May 27, 2012. Check the license (Washington MD60741496, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Joanna K. Law
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- MD60741496 WA
P28070 MD
23412 ZZ
Self-reported in NPPES; status is on the state search - Practice location
- 1100 9TH Ave, Seattle, WA 98101
- Phone
- (206) 223-2319
- Enumerated
- May 27, 2012
- Record last updated
- Jul 21, 2022
- Fax
- (206) 341-1405
- Medicare enrollment
- Enrolled (PECOS I20170613000844); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 533 in Washington → Look up another NPI →
Also registered at 1100 9TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alvin Aceron, ARNPAdult Health Nurse Practitioner1639488562
- Ream AdeebAdult Health Nurse Practitioner1760868855
- Steven Adler, MDDiagnostic Ultrasound Physician1639108046
Verify Joanna K. Law in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60741496Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average gastroenterology physician in 2024
144 Medicare Part D claims for 80 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Ondansetron Hcl33 claims
- Peg-3350 And Electrolytes27 claims
- Gavilyte-G15 claims
- Pantoprazole Sodium14 claims
- Levofloxacin13 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
- Central Washington Health Services AssociationWenatchee, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joanna K. Law among 533 gastroenterology physician records in Washington
Joanna K. Law, 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 2012, is newer than 78% of them.
- NPI issued2012 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2003 · median 2003 among the 373 with a school on file
- Record last updated2022 · 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
- Elisa Boden, M.D.Seattle, WA 981011932167400
- James Bredfeldt, MDSeattle, WA 981011598796989
- Fred Drennan, MDSeattle, WA 981011811916489
- Seng-Ian Gan, M.D.Seattle, WA 981011700833498
- Michael Gluck, MDSeattle, WA 981011871516617
- Geoffrey Jiranek, MDSeattle, WA 981011982628806
- Johannes Koch, MDSeattle, WA 981011396716148
- Richard Kozarek, MDSeattle, WA 981011124042379
Common questions
What is Joanna K. Law, MD's NPI number?
Joanna K. Law, MD's National Provider Identifier (NPI) is 1942560776, issued on May 27, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Joanna K. Law, MD located?
The NPPES record lists a practice address at 1100 9TH Ave, Seattle, WA, 98101. Phone: (206) 223-2319. Providers update this record themselves, so call before visiting.
How can I verify Joanna K. Law, MD's license?
NPPES lists Washington license number MD60741496, 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 Joanna K. Law, MD prescribe under Medicare Part D?
In 2024, Joanna K. Law, MD had 144 Medicare Part D claims for 80 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.