Granville Howerton, RN-FNP
NPI 1326088188 · Family Nurse Practitioner · Lewisville, TX
Granville Howerton, RN-FNP is a Family Nurse Practitioner provider in Lewisville, TX (NPI 1326088188).
Provider details
- NPI number
- 1326088188
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN-FNP
- Sex
- Male
- Sole proprietor
- Yes
- License
- 598609 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
20 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
- 2006-06-08
- Last updated
- 2010-05-06
Frequently asked questions
- What is Granville Howerton's NPI number?
- Granville Howerton's National Provider Identifier (NPI) is 1326088188, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Granville Howerton's specialty?
- Granville Howerton is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Granville Howerton located?
- Granville Howerton's practice location on file with NPPES is 169 Lake Park Rd, Lewisville, TX 75057-2303.
- What is Granville Howerton's phone number?
- The practice phone number listed in the NPPES registry for Granville Howerton is (972) 436-7571.
- Is Granville Howerton's NPI active?
- Yes — Granville Howerton's NPI (1326088188) is active in the NPPES registry as of the last update on 2010-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.