Sondra Markle, GNP
NPI 1972824761 · Gerontology Nurse Practitioner · Houston, TX
Sondra Markle, GNP is a Gerontology Nurse Practitioner provider in Houston, TX (NPI 1972824761).
Provider details
- NPI number
- 1972824761
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- GNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 628157 (TX)
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
16 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
- 2010-06-16
- Last updated
- 2022-07-21
Frequently asked questions
- What is Sondra Markle's NPI number?
- Sondra Markle's National Provider Identifier (NPI) is 1972824761, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sondra Markle's specialty?
- Sondra Markle is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sondra Markle located?
- Sondra Markle's practice location on file with NPPES is 650 N Sam Houston Pkwy E Ste 105b, Houston, TX 77060-5918.
- What is Sondra Markle's phone number?
- The practice phone number listed in the NPPES registry for Sondra Markle is (281) 272-1743.
- Is Sondra Markle's NPI active?
- Yes — Sondra Markle's NPI (1972824761) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.