Ann Kolwitz, MD
NPI 1811996531 · Obstetrics & Gynecology Physician · Bellevue, WA
Ann Kolwitz, MD is a Obstetrics & Gynecology Physician provider in Bellevue, WA (NPI 1811996531).
Provider details
- NPI number
- 1811996531
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD00021784 (WA)
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
20 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
- 2005-07-14
- Last updated
- 2015-11-13
Frequently asked questions
- What is Ann Kolwitz's NPI number?
- Ann Kolwitz's National Provider Identifier (NPI) is 1811996531, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Kolwitz's specialty?
- Ann Kolwitz is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Ann Kolwitz located?
- Ann Kolwitz's practice location on file with NPPES is 1231 116th Ave Ne, Bellevue, WA 98004-3804.
- What is Ann Kolwitz's phone number?
- The practice phone number listed in the NPPES registry for Ann Kolwitz is (425) 454-3366.
- Is Ann Kolwitz's NPI active?
- Yes — Ann Kolwitz's NPI (1811996531) is active in the NPPES registry as of the last update on 2015-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.