Catherine Marie Thomas, M.D.
Obstetrics Physician · Issaquah, WA
Catherine Marie Thomas, M.D. is an obstetrics physician with a practice address in Issaquah, Washington, and NPI 1588874978, issued on May 23, 2007. Check the license on the Washington Medical Commission; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Catherine Marie Thomas
- Credential
- M.D.
- Primary taxonomy
- Obstetrics Physician 207VX0000X
- License number
- 4301084340 MI
Self-reported in NPPES; status is on the state search - Practice location
- 6520 226TH PL SE, Issaquah, WA 98027
- Phone
- (425) 391-8886
- Enumerated
- May 23, 2007
- Record last updated
- Jul 16, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (425) 394-1087
- Medicare enrollment
- Enrolled (PECOS I20260313003693); may accept Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest obstetrics physician records → All 29 in Washington → Look up another NPI →
Also registered at 6520 226TH PL SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anita Cassis, MDSpecialist1154422137
- Tammy Deroche, DPTPhysical Therapist1215905278
- Andrew Didricksen, DPTPhysical Therapist1093292336
- Elisabeth Evans, MDObstetrics & Gynecology Physician1811965262
- Jacqueline Evans, CRNA, ARNPCertified Registered Nurse Anesthetist1831139641
- Leslie Garland, M.D.Family Medicine Physician1497788004
Verify Catherine Marie Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical CommissionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Catherine Marie Thomas among 29 obstetrics physician records in Washington
Catherine Marie Thomas, M.D. is one of 29 obstetrics physician records with a practice address in Washington. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 31% of them.
- NPI issued2007 · 31% of these records are older, 38% newer
- In a Medicare fileNo · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2004 · median 2004 among the 15 with a school on file
- Record last updated2013 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics Physician providers in Washington
There are 29 obstetrics physician records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 29 in Washington → Every provider in Issaquah → Obstetrics Physician nationwide →
The 8 obstetrics physician records with the nearest ZIP codes
- Julie IversonKirkland, WA 980341508945205
- Keely Brown, MDBellevue, WA 980041932246204
- Dionne Gallagher, MDBellevue, WA 980041730235342
- Anthony Tagavilla, M.D.Renton, WA 980551255532180
- Dara Jolly, MDRenton, WA 980571255549507
- Jaime Michaelson, MDSeattle, WA 981121003013426
- Roseline Buyeka, RNSeattle, WA 981181093350977
- Victoria Chiaro, D.O.Seattle, WA 981331760863427
Common questions
What is Catherine Marie Thomas, M.D.'s NPI number?
Catherine Marie Thomas, M.D.'s National Provider Identifier (NPI) is 1588874978, issued on May 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Marie Thomas, M.D. located?
The NPPES record lists a practice address at 6520 226TH PL SE, Issaquah, WA, 98027. Phone: (425) 391-8886. Providers update this record themselves, so call before visiting.
How can I verify Catherine Marie Thomas, M.D.'s license?
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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.