Catherine Thomas, M.D.
NPI 1588874978 · Obstetrics Physician · Issaquah, WA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Thomas, M.D. is a Obstetrics Physician provider in Issaquah, WA (NPI 1588874978).
Provider details
- NPI number
- 1588874978
- Entity type
- Individual
- Primary specialty
- Obstetrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 4301084340 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-23
- Last updated
- 2013-07-16
Frequently asked questions
- What is Catherine Thomas's NPI number?
- Catherine Thomas's National Provider Identifier (NPI) is 1588874978, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Thomas's specialty?
- Catherine Thomas is listed in the NPPES registry with a primary specialty of Obstetrics Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Thomas located?
- Catherine Thomas's practice location on file with NPPES is 6520 226th Pl Se, Issaquah, WA 98027-8969.
- What is Catherine Thomas's phone number?
- The practice phone number listed in the NPPES registry for Catherine Thomas is (425) 391-8886.
- Does Catherine Thomas accept Medicare?
- Catherine Thomas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Thomas's NPI active?
- Yes — Catherine Thomas's NPI (1588874978) is active in the NPPES registry as of the last update on 2013-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.