Marilyn Sparling
NPI 1891844817 · Endocrinology, Diabetes & Metabolism Physician · Durham, NC
Marilyn Sparling is a Endocrinology, Diabetes & Metabolism Physician provider in Durham, NC (NPI 1891844817).
Provider details
- NPI number
- 1891844817
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 001517 (NC)
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
- 2007-01-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marilyn Sparling's NPI number?
- Marilyn Sparling's National Provider Identifier (NPI) is 1891844817, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilyn Sparling's specialty?
- Marilyn Sparling is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Marilyn Sparling located?
- Marilyn Sparling's practice location on file with NPPES is 2100 Erwin Rd, Durham, NC 27710-0001.
- What is Marilyn Sparling's phone number?
- The practice phone number listed in the NPPES registry for Marilyn Sparling is (919) 620-4467.
- Is Marilyn Sparling's NPI active?
- Yes — Marilyn Sparling's NPI (1891844817) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.