Carolyn Sponn, CRNP
NPI 1588859391 · Family Nurse Practitioner · Ellicott City, MD
Carolyn Sponn, CRNP is a Family Nurse Practitioner provider in Ellicott City, MD (NPI 1588859391).
Provider details
- NPI number
- 1588859391
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- R169761 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2007-09-14
- Last updated
- 2007-09-14
Frequently asked questions
- What is Carolyn Sponn's NPI number?
- Carolyn Sponn's National Provider Identifier (NPI) is 1588859391, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carolyn Sponn's specialty?
- Carolyn Sponn is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Carolyn Sponn located?
- Carolyn Sponn's practice location on file with NPPES is 4390 Montgomery Rd, Ellicott City, MD 21043-6068.
- What is Carolyn Sponn's phone number?
- The practice phone number listed in the NPPES registry for Carolyn Sponn is (410) 203-1700.
- Is Carolyn Sponn's NPI active?
- Yes — Carolyn Sponn's NPI (1588859391) is active in the NPPES registry as of the last update on 2007-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.