Active NPI 1952501447 Individual Practitioner Female Practitioner

Lillian E Williams , PA-C

Physician Assistant • Mcallen, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Lillian Williams, PA-C is a certified Physician Assistant practicing in Mcallen, TX. With approximately 9 years of clinical experience since completing medical education in 2017, Lillian Williams delivers high-quality medical care to the local community at 2101 S CYNTHIA ST.

Lillian Williams is affiliated with Renaissance Medical Foundation and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, removal of impacted ear wax. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2101 S Cynthia St

Mcallen, TX 78503

Telephone 9566877896

Fax 9566872297

Associated Practice Facility / Clinic

🏢 Valley Ear Nose & Throat Specialist Pa Facility NPI 1386648798

Medicare Profile & Education

Medical School

Other

Graduation Year

2017

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Mcallen, TX

Experienced Practitioner (5-10 Yrs)

Practitioner Clinical Experience

9 Yrs -2.7 yrs vs City Avg

City Avg: 11.7 Yrs

State Avg: 13.9 Yrs

Regional Practice Density

145 Specialists

Practicing in Mcallen, TX (11140 Statewide)

Telehealth Adoption Rate

6.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

72.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Williams (9 Years) 9 Yrs

Mcallen Specialty Average (11.7 Years) 11.7 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	189	122	$218.13	$77.60
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	85	85	$305.97	$95.02
69210 Removal of impacted ear wax	70	58	$161.47	$41.03
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	42	34	$363.44	$111.01
70486 CT scan of face	39	38	$465.43	$96.10
92567 Eardrum testing using ear probe	34	33	$52.04	$13.78
92587 Placement of ear probe for computerized measurement of sound with interpretation and report	27	27	$153.00	$3.58
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	23	23	$160.37	$48.67
99202 New patient office or other outpatient visit, typically 20 minutes	16	16	$208.84	$62.16
31575 Diagnostic exam of voice box using a flexible endoscope	14	13	$371.09	$110.16
92557 Comprehensive hearing and speech recognition test	12	12	$111.09	$31.38
92504 Exam of ear using a microscope	11	11	$85.73	$24.06
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$472.96	$144.93

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	251	154	$201.00	$73.78
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	100	100	$299.00	$91.62
92567 Eardrum testing using ear probe	95	91	$54.00	$13.49
70486 CT scan of face	35	35	$525.00	$88.11
69210 Removal of impacted ear wax	29	27	$193.00	$38.81
G0268 Removal of impacted cerumen (one or both ears) by physician on same date of service as audiologic function testing	17	17	$148.00	$43.22
31575 Diagnostic exam of voice box using a flexible endoscope	15	15	$371.00	$105.96

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	236	158	$201.00	$74.64
92567 Eardrum testing using ear probe	107	103	$54.00	$13.86
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	103	103	$299.00	$92.32
70486 CT scan of face	38	36	$525.00	$90.46
69210 Removal of impacted ear wax	21	20	$193.00	$39.02
31575 Diagnostic exam of voice box using a flexible endoscope	18	18	$371.00	$107.74

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	92	69	$201.00	$75.69
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	42	42	$299.00	$92.82
92567 Eardrum testing using ear probe	29	28	$54.00	$13.75

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	20	20	$201.00	$60.15
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$299.00	$85.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	37	34	$201.00	$60.62

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J9260 Injection, methotrexate sodium, 50 mg	544	66	$3.01	$2.82
J1040 Injection, methylprednisolone acetate, 80 mg	502	235	$12.00	$11.83
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	448	411	$200.00	$86.20
36415 Insertion of needle into vein for collection of blood sample	390	368	$6.00	$2.94
86140 Measurement C-reactive protein for detection of infection or inflammation	386	366	$15.00	$6.24
85651 Red blood cell sedimentation rate, to detect inflammation, non-automated	377	358	$10.00	$4.28
81001 Manual urinalysis test with examination using microscope, automated	374	357	$10.00	$3.83
80053 Blood test, comprehensive group of blood chemicals	320	309	$30.00	$12.78
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	259	256	$32.00	$9.36
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	201	114	$44.40	$16.12
86235 Measurement of antibody for assessment of autoimmune disorder, any method	198	73	$95.00	$21.70
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle	194	66	$140.00	$62.79
96413 Infusion of chemotherapy into a vein up to 1 hour	194	135	$280.00	$111.24
20552 Injections of trigger points in 1 or 2 muscles	184	175	$100.00	$43.65
J0129 Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)	148	101	$0.01	$0.01
86160 Measurement of complement (immune system proteins), antigen,	124	59	$100.00	$14.51
J7321 Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose	85	50	$180.00	$84.13
96374 Injection of drug or substance into a vein for therapy, diagnosis, or prevention	84	79	$100.00	$36.32
J1740 Injection, ibandronate sodium, 1 mg	81	77	$0.01	$0.01
86431 Rheumatoid factor level	74	37	$39.00	$6.86
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	74	46	$450.00	$74.03
84550 Uric acid level, blood	72	72	$26.00	$5.47
83520 Measurement of substance using immunoassay technique	72	24	$60.00	$16.92
96415 Administration of chemotherapy into vein, each additional hour	70	28	$60.00	$24.60
84443 Blood test, thyroid stimulating hormone (TSH)	68	67	$75.00	$20.33
20610 Aspiration and/or injection of fluid from large joint	65	59	$150.00	$58.41
86200 Measurement of antibody for rheumatoid arthritis assessment	52	52	$50.00	$15.66
86800 Thyroglobulin (thyroid protein) antibody measurement	51	51	$85.00	$19.25
86376 Microsomal antibodies (autoantibody) measurement	51	51	$95.00	$17.60
86215 Measurement of dna antibody	49	48	$76.00	$16.02
86060 Measurement for strep antibody (strep throat)	49	48	$39.00	$8.83
86038 Screening test for autoimmune disorder	49	48	$72.00	$14.62
73562 X-ray of knee, 3 views	47	24	$70.00	$28.04
J1885 Injection, ketorolac tromethamine, per 15 mg	42	13	$1.00	$0.58
77080 Dxa bone density measurement of hip, pelvis, spine	40	40	$185.00	$32.75
J1745 Injection, infliximab, excludes biosimilar, 10 mg	31	26	$0.01	$0.01
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	30	30	$34.00	$7.82
86226 Measurement of dna antibody, single stranded	27	25	$80.00	$14.65
86225 Measurement of dna antibody, native or double stranded	27	25	$84.00	$16.63
86677 Analysis for antibody to helicobacter pylori (gastrointestinal bacteria)	24	24	$105.00	$17.55
J0897 Injection, denosumab, 1 mg	21	21	$0.01	$0.01
72200 X-ray of joint between lower spine and hip bone, 1-2 views	15	15	$57.00	$22.20
72110 X-ray of lower and sacral spine, minimum of 4 views	14	14	$65.00	$38.41
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	13	12	$7.69	$2.11
72070 X-ray of middle spine, 2 views	13	13	$65.00	$26.73
72050 X-ray of upper spine, 4 or 5 views	12	12	$102.00	$35.73
99213 Established patient office or other outpatient visit, typically 15 minutes	12	12	$130.00	$58.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1040 Injection, methylprednisolone acetate, 80 mg	2,029	654	$12.00	$10.86
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,879	1,016	$200.00	$87.35
36415 Insertion of needle into vein for collection of blood sample	1,661	954	$6.00	$2.94
80053 Blood test, comprehensive group of blood chemicals	1,628	945	$30.00	$13.12
86140 Measurement C-reactive protein for detection of infection or inflammation	1,627	947	$15.00	$6.96
85651 Red blood cell sedimentation rate, to detect inflammation, non-automated	1,625	947	$10.00	$4.77
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	1,599	943	$32.00	$10.44
81001 Manual urinalysis test with examination using microscope, automated	1,575	929	$10.00	$4.26
J7320 Hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg	1,100	14	$7.42	$7.30
J9260 Injection, methotrexate sodium, 50 mg	1,013	90	$3.00	$2.60
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	924	418	$45.00	$20.42
20552 Injections of trigger points in 1 or 2 muscles	786	555	$100.00	$44.80
86235 Measurement of antibody for assessment of autoimmune disorder, any method	780	234	$95.00	$24.11
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle	660	150	$140.00	$58.59
J9250 Methotrexate sodium, 5 mg	636	109	$1.00	$0.25
J7321 Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose	497	186	$180.00	$85.34
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	481	181	$450.00	$75.62
96413 Infusion of chemotherapy into a vein up to 1 hour	460	208	$280.00	$108.78
86160 Measurement of complement (immune system proteins), antigen,	408	184	$100.00	$16.13
J0129 Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)	367	156	$0.01	$0.01
J1885 Injection, ketorolac tromethamine, per 15 mg	278	62	$1.00	$0.68
84550 Uric acid level, blood	268	224	$26.00	$6.54
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	265	204	$10.00	$3.07
96374 Injection of drug or substance into a vein for therapy, diagnosis, or prevention	224	160	$100.00	$45.43
J1740 Injection, ibandronate sodium, 1 mg	224	160	$0.01	$0.01
86431 Rheumatoid factor level	214	104	$39.00	$7.63
84443 Blood test, thyroid stimulating hormone (TSH)	206	174	$75.00	$22.59
20610 Aspiration and/or injection of fluid from large joint	177	136	$150.00	$52.78
73562 X-ray of knee, 3 views	176	92	$70.00	$28.50
86200 Measurement of antibody for rheumatoid arthritis assessment	155	152	$50.00	$17.40
86038 Screening test for autoimmune disorder	146	144	$72.00	$16.25
96415 Administration of chemotherapy into vein, each additional hour	144	39	$60.00	$22.64
86215 Measurement of dna antibody	138	133	$76.00	$17.81
86376 Microsomal antibodies (autoantibody) measurement	133	130	$95.00	$19.56
86800 Thyroglobulin (thyroid protein) antibody measurement	132	130	$85.00	$21.38
77080 Dxa bone density measurement of hip, pelvis, spine	123	123	$185.00	$32.58
86225 Measurement of dna antibody, native or double stranded	117	103	$84.00	$18.47
86226 Measurement of dna antibody, single stranded	117	103	$80.00	$16.28
86060 Measurement for strep antibody (strep throat)	110	107	$39.00	$9.81
83520 Measurement of substance using immunoassay technique	89	30	$60.00	$17.40
99213 Established patient office or other outpatient visit, typically 15 minutes	75	70	$130.00	$59.33
73030 X-ray of shoulder, minimum of 2 views	69	35	$60.00	$23.17
73110 X-ray of wrist, minimum of 3 views	62	31	$70.00	$28.22
73130 X-ray of hand, minimum of 3 views	62	31	$62.00	$24.59
J0897 Injection, denosumab, 1 mg	55	52	$0.01	$0.01
89060 Crystal identification from tissue or body fluid	55	45	$50.00	$9.61
J1745 Injection, infliximab, excludes biosimilar, 10 mg	49	29	$0.01	$0.01
73080 X-ray of elbow, minimum of 3 views	42	21	$65.00	$24.84
73560 X-ray of knee, 1-2 views	40	23	$60.00	$24.55
72070 X-ray of middle spine, 2 views	39	39	$65.00	$27.17
72050 X-ray of upper spine, 4 or 5 views	33	33	$102.00	$36.25
72200 X-ray of joint between lower spine and hip bone, 1-2 views	33	33	$57.00	$22.60
J3262 Injection, tocilizumab, 1 mg	32	13	$0.01	$0.01
71020 X-ray of chest, 2 views, front and side	31	31	$60.00	$22.48
72110 X-ray of lower and sacral spine, minimum of 4 views	31	31	$65.00	$39.04
86677 Analysis for antibody to helicobacter pylori (gastrointestinal bacteria)	31	30	$105.00	$11.00
80307 Testing for presence of drug, by chemistry analyzers	29	29	$160.00	$59.80
J0717 Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)	29	13	$0.01	$0.01
73630 X-ray of foot, minimum of 3 views	25	13	$60.00	$23.19
73610 X-ray of ankle, minimum of 3 views	24	12	$60.00	$25.14
86256 Measurement of antibody to noninfectious agent	24	24	$95.00	$16.20
83516 Analysis of substance using immunoassay technique	24	24	$80.00	$15.50
86803 Hepatitis c antibody measurement	16	15	$90.00	$19.18
86704 Hepatitis b core antibody measurement	16	15	$70.00	$16.20
87340 Detection test for Hepatitis B surface antigen	16	15	$60.00	$13.89
70220 X-ray of paranasal sinus, minimum of 3 views	14	14	$75.00	$30.05
83876 Myeloperoxidase (white blood cell enzyme) measurement	13	11	$100.00	$45.63
86021 Antibody identification test for white blood cell antibodies	13	11	$100.00	$20.24
73521 X-ray of both hips, 2 views	12	12	$75.00	$31.64
20600 Aspiration and/or injection of fluid from small joint	12	11	$100.00	$39.12
J3489 Injection, zoledronic acid, 1 mg	12	11	$0.01	$0.01

Medical Specialties & State Licenses

CMS Verified: 2020-06-26

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License TX 1077607

A 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 trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

190946704 (TX)

Commercial Insurance / Payer ID License

PA05337 (TX)

Commercial Insurance / Payer ID Npi

1952501447 (TX)

Commercial Insurance / Payer ID Medicare Provider Number

504737ZUQA (TX)

Hospital & Practice Group Affiliations

Renaissance Medical Foundation

510 Victoria Ln, Harlingen, TX 785503231

Phone: 9564284221

Renaissance Medical Foundation

5501 S Mccoll Rd, Edinburg, TX 785395503

Phone: 9563622171

Secondary Practice Locations

2601 Cornerstone Blvd

Edinburg, TX 785398479

Phone: 9566641440

510 Victoria Ln Ste 5

Harlingen, TX 785503231

Phone: 9564284221

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

9 Associated Practitioners

Jonathan Lerma , PA

Physician Assistant

NPI 1013473677

Physician Assistant

Charles Butler , MA, CCC-A

Audiologist

NPI 1164639936

Master of Arts, CCCA

Jessica De Ochoa Garza

Nurse Practitioner - Family

NPI 1235880717

Evelyn Saldivar , PA-C

Physician Assistant

NPI 1376177006

Physician Assistant (Certified)

Lydia Brown , APRN

Nurse Practitioner

NPI 1528148129

Advanced Practice Registered Nurse

Dr. John Austin , MD, FACS

Otolaryngology - Plastic Surgery within the Head & Neck

NPI 1740251057

Doctor of Medicine (M.D.), FACS

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events

📍

Updated Practice Location June 14, 2019

Registered at 2101 S CYNTHIA ST, MCALLEN, TX 78503 (Tel: 9566877896)

📍

Updated Business Mailing Address June 14, 2019

Registered at 2101 S CYNTHIA ST, MCALLEN, TX 785031294 (Tel: 9566877896)

✅

NPI Profile Active November 21, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location November 21, 2016

Registered at 2601 CORNERSTONE BLVD, EDINBURG, TX 785398479 (Tel: 9566641440)

📍

Updated Business Mailing Address November 21, 2016

Registered at 2601 CORNERSTONE BLVD, EDINBURG, TX 785398479 (Tel: 9566641440)

👤

Provider Name / Credentials Updated November 21, 2016

Recorded as LILLIAN WILLIAMS, PA-C

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 21, 2016

Physician Assistant (License #1077607 in TX)

🟢

Initial NPI Registration & Enumeration July 23, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1952501447

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: July 23, 2007

Last Update: June 26, 2020

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2101 S Cynthia St

Mcallen, TX 785031294

Phone: 9566877896

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.