David Garrison, PMHNP-BC
NPI 1134883655 · Psychiatric/Mental Health Nurse Practitioner · Greenville, SC
David Garrison, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner provider in Greenville, SC (NPI 1134883655).
Provider details
- NPI number
- 1134883655
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP-BC
- Sex
- Male
- Sole proprietor
- No
- License
- 25937 (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
4 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
- 2021-10-30
- Last updated
- 2022-06-07
- Certified
- 2022-06-07
Frequently asked questions
- What is David Garrison's NPI number?
- David Garrison's National Provider Identifier (NPI) is 1134883655, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Garrison's specialty?
- David Garrison is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is David Garrison located?
- David Garrison's practice location on file with NPPES is 124 Mallard St, Greenville, SC 29601-4046.
- What is David Garrison's phone number?
- The practice phone number listed in the NPPES registry for David Garrison is (864) 241-1040.
- Is David Garrison's NPI active?
- Yes — David Garrison's NPI (1134883655) is active in the NPPES registry as of the last update on 2022-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.