Nancy Niles, M.D.
NPI 1144258435 · Endocrinology, Diabetes & Metabolism Physician · Seattle, WA
Nancy Niles, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Seattle, WA (NPI 1144258435).
Provider details
- NPI number
- 1144258435
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD00017593 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
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
- 2006-06-28
- Last updated
- 2015-04-06
Frequently asked questions
- What is Nancy Niles's NPI number?
- Nancy Niles's National Provider Identifier (NPI) is 1144258435, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Niles's specialty?
- Nancy Niles is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Nancy Niles located?
- Nancy Niles's practice location on file with NPPES is 2611 Ne 125th St, Seattle, WA 98125-4373.
- What is Nancy Niles's phone number?
- The practice phone number listed in the NPPES registry for Nancy Niles is (206) 362-0035.
- Is Nancy Niles's NPI active?
- Yes — Nancy Niles's NPI (1144258435) is active in the NPPES registry as of the last update on 2015-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.