Elissa Williams, PA-C
NPI 1821761396 · Physician Assistant · The Woodlands, TX
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elissa Williams, PA-C is a Physician Assistant provider in The Woodlands, TX (NPI 1821761396).
Provider details
- NPI number
- 1821761396
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA14827 (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 tenure33% of score
4 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$45 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-07-29
- Last updated
- 2025-03-14
- Certified
- 2025-03-13
Frequently asked questions
- What is Elissa Williams's NPI number?
- Elissa Williams's National Provider Identifier (NPI) is 1821761396, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elissa Williams's specialty?
- Elissa Williams is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Elissa Williams located?
- Elissa Williams's practice location on file with NPPES is 33003 Egypt Ln, The Woodlands, TX 77354-2480.
- What is Elissa Williams's phone number?
- The practice phone number listed in the NPPES registry for Elissa Williams is (713) 442-1800.
- Does Elissa Williams accept Medicare?
- Elissa Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elissa Williams's NPI active?
- Yes — Elissa Williams's NPI (1821761396) is active in the NPPES registry as of the last update on 2025-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.