NPI age
18 years
Enumerated 2007-07-23
● Active
Type 1 · Individual
Lillian E Williams, PA-C
Williams is 1 of 146 physician assistant providers in McAllen and 1 of 11022 in Texas.
Primary specialty
Physician Assistant
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2020-06-26
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 11022 active physician assistant providers in Texas.
NPI age
18 years
↑ 8 yr above median (10 yr)
State licenses
1 state
7% of peers hold multiple states
Subspecialties
0
23% of peers hold subspecialties
NPI lifetime · 2007 → 2026
2007-07Enumerated in NPPES
2007
2026
Where they practice
Practice location
2101 S Cynthia St
McAllen, TX 78503
Mailing address
2101 S Cynthia St
McAllen, TX 785031294
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
2601 Cornerstone Blvd
Edinburg, TX 785398479
Location 3
510 Victoria Ln Ste 5
Harlingen, TX 785503231
Specialties
-
Physician Assistant PrimaryA physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | PA05337 | LICENSE |
| 05 (TX) | 190946704 | |
| 01 (TX) | 1952501447 | NPI |
| 01 (TX) | 504737ZUQA | MEDICARE PROVIDER NUMBER |
Practice context
Part of a multi-provider practice. 12 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new physician assistant provider has been added in McAllen in the last 180 days.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.