Lillian Cowan, NP
NPI 1790862456 · Family Nurse Practitioner · Houston, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lillian Cowan, NP is a Family Nurse Practitioner provider in Houston, TX (NPI 1790862456).
Provider details
- NPI number
- 1790862456
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 249811 (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
19 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
- 2006-11-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Lillian Cowan's NPI number?
- Lillian Cowan's National Provider Identifier (NPI) is 1790862456, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lillian Cowan's specialty?
- Lillian Cowan is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lillian Cowan located?
- Lillian Cowan's practice location on file with NPPES is 1515 Holcombe Blvd, Houston, TX 77030-4009.
- What is Lillian Cowan's phone number?
- The practice phone number listed in the NPPES registry for Lillian Cowan is (713) 792-7305.
- Does Lillian Cowan accept Medicare?
- Lillian Cowan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lillian Cowan's NPI active?
- Yes — Lillian Cowan's NPI (1790862456) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.