Lillian E. Williams, PA-C
Physician Assistant · McAllen, TX
Lillian E. Williams, PA-C is a physician assistant with a practice address in McAllen, Texas, and NPI 1952501447, issued on Jul 23, 2007. Check the license (Texas 1077607, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lillian E. Williams
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 1077607 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2101 S Cynthia St, McAllen, TX 78503
- Phone
- (956) 687-7896
- Enumerated
- Jul 23, 2007
- Record last updated
- Jun 26, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (956) 687-2297
- Medicaid ID
- 190946704 TX
- Medicare enrollment
- Enrolled (PECOS I20070823000136); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 10,999 in Texas → Look up another NPI →
Also registered at 2101 S Cynthia St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Austin, M.D., F.A.C.S.Plastic Surgery within the Head & Neck (Otolaryngology) Physician1740251057
- Lydia Brown, APRNNurse Practitioner1528148129
- Charles Butler, M.A., CCC-AAudiologist1164639936
- Jessica De Ochoa GarzaFamily Nurse Practitioner1235880717
- Cesar Garcia, PA-CPhysician Assistant1912534819
- Joseph Hemer, DOPlastic Surgery within the Head & Neck (Otolaryngology) Physician1891790945
Verify Lillian E. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 1077607Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% more Medicare Part D claims than the average physician assistant in 2024
1,386 Medicare Part D claims for 531 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Azelastine Hcl355 claims
- Amoxicillin-Clavulanate Potass275 claims
- Cefdinir185 claims
- Fluticasone Propionate164 claims
- Azithromycin84 claims
- Ipratropium Bromide78 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,735.73
76 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Renaissance Medical FoundationHarlingen, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lillian E. Williams among 10,999 physician assistant records in Texas
Lillian E. Williams, PA-C is one of 10,999 physician assistant records with a practice address in Texas. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 14% of them.
- NPI issued2007 · 14% of these records are older, 80% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2017 · median 2017 among the 6,096 with a school on file
- Record last updated2020 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
144 physician assistant records list a practice address in McAllen
They are 144 of the 3,518 NPPES records with a practice address in McAllen, and 10,999 physician assistant records in Texas.
All 10,999 in Texas → Every provider in McAllen → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kent Ainslie, PA-CMcAllen, TX 785031205088234
- Marla Anaya, PA-CMcAllen, TX 785031326277393
- Salvador Arellano, P.A.McAllen, TX 785031942535828
- Ruby Balderas, PA-CMcAllen, TX 785031780992339
- Craig Comisky, P.A.McAllen, TX 785031598752933
- Rogelio Cruz, PAMcAllen, TX 785031205827763
- Antonia Garcia-Cavazos, PHYSICIAN ASSISTANTMcAllen, TX 785031619968088
- Elizabeth Gonzales, P.A.-C.McAllen, TX 785031457581530
Common questions
What is Lillian E. Williams, PA-C's NPI number?
Lillian E. Williams, PA-C's National Provider Identifier (NPI) is 1952501447, issued on Jul 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Lillian E. Williams, PA-C located?
The NPPES record lists a practice address at 2101 S Cynthia St, McAllen, TX, 78503. Phone: (956) 687-7896. Providers update this record themselves, so call before visiting.
How can I verify Lillian E. Williams, PA-C's license?
NPPES lists Texas license number 1077607, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Lillian E. Williams, PA-C prescribe under Medicare Part D?
In 2024, Lillian E. Williams, PA-C had 1,386 Medicare Part D claims for 531 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.