Mark Gilliland, CSA
NPI 1437456498 · Surgical Physician Assistant · Houston, TX
Mark Gilliland, CSA is a Surgical Physician Assistant provider in Houston, TX (NPI 1437456498).
Provider details
- NPI number
- 1437456498
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CSA
- Sex
- Male
- Sole proprietor
- Yes
- License
- N/A
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
15 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
- 2011-02-27
- Last updated
- 2011-02-27
Frequently asked questions
- What is Mark Gilliland's NPI number?
- Mark Gilliland's National Provider Identifier (NPI) is 1437456498, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Gilliland's specialty?
- Mark Gilliland is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Gilliland located?
- Mark Gilliland's practice location on file with NPPES is 484 N Post Oak Ln, Houston, TX 77024-5911.
- What is Mark Gilliland's phone number?
- The practice phone number listed in the NPPES registry for Mark Gilliland is (713) 303-9714.
- Is Mark Gilliland's NPI active?
- Yes — Mark Gilliland's NPI (1437456498) is active in the NPPES registry as of the last update on 2011-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.