Karryna Merwine, CRNP
NPI 1609718956 · Family Nurse Practitioner · Hanahan, SC
Karryna Merwine, CRNP is a Family Nurse Practitioner provider in Hanahan, SC (NPI 1609718956).
Provider details
- NPI number
- 1609718956
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- 31376 (SC)
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
Under 1 yr in 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
- 2026-04-07
- Last updated
- 2026-04-07
- Certified
- 2026-04-07
Frequently asked questions
- What is Karryna Merwine's NPI number?
- Karryna Merwine's National Provider Identifier (NPI) is 1609718956, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karryna Merwine's specialty?
- Karryna Merwine is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karryna Merwine located?
- Karryna Merwine's practice location on file with NPPES is 1800 Eagle Landing Blvd, Hanahan, SC 29410-8517.
- What is Karryna Merwine's phone number?
- The practice phone number listed in the NPPES registry for Karryna Merwine is (843) 553-0656.
- Is Karryna Merwine's NPI active?
- Yes — Karryna Merwine's NPI (1609718956) is active in the NPPES registry as of the last update on 2026-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.