Active NPI 1164616686 Individual Practitioner Female Practitioner

Dr. Barbara Suk Yates , MD

Ophthalmology • Lancaster, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Barbara Yates, MD is a certified Ophthalmology practicing in Lancaster, CA. With approximately 21 years of clinical experience since graduating from University Of California, San Diego School Of Medicine in 2005, Dr. Yates delivers high-quality medical care to the local community at 335 E AVENUE I.

Dr. Yates is affiliated with County Of Los Angeles and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient complete exam of visual system, imaging of retina, injection, midazolam hydrochloride, per 1 mg. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

335 E Avenue I

Lancaster, CA 935351916

Telephone 6614714000

Fax 6615242344

Associated Practice Facility / Clinic

🏢 County Of Los Angeles Auditor Controller Facility NPI 1366453045

Medicare Profile & Education

Medical School

University Of California, San Diego School Of Medicine

Graduation Year

2005

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Lancaster, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

21 Yrs -0.5 yrs vs City Avg

City Avg: 21.5 Yrs

State Avg: 29.5 Yrs

Regional Practice Density

7 Specialists

Practicing in Lancaster, CA (3116 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

73.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Yates (21 Years) 21 Yrs

Lancaster Specialty Average (21.5 Years) 21.5 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
92014 Established patient complete exam of visual system	132	105	$387.00	$139.84
92134 Imaging of retina	111	83	$207.00	$44.66
J2250 Injection, midazolam hydrochloride, per 1 mg	93	33	$17.30	$0.14
92012 Established patient problem focused exam of visual system	91	64	$387.00	$99.24
J7120 Ringers lactate infusion, up to 1000 cc	28	25	$18.21	$2.37
J2280 Injection, moxifloxacin, 100 mg	27	24	$25.00	$8.47
92133 Imaging of optic nerve	24	23	$207.00	$40.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	133	106	$387.00	$141.36
92012 Established patient problem focused exam of visual system	110	72	$390.52	$100.75
J2250 Injection, midazolam hydrochloride, per 1 mg	76	29	$17.74	$0.15
J7120 Ringers lactate infusion, up to 1000 cc	35	29	$19.00	$2.46
J3010 Injection, fentanyl citrate, 0.1 mg	35	27	$32.69	$0.91
92134 Imaging of retina	33	28	$213.27	$44.90
J2280 Injection, moxifloxacin, 100 mg	28	23	$17.00	$10.02
92133 Imaging of optic nerve	21	20	$207.00	$39.93
J2405 Injection, ondansetron hydrochloride, per 1 mg	17	15	$47.94	$0.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	107	88	$387.00	$142.72
92012 Established patient problem focused exam of visual system	85	55	$387.00	$101.07
J2250 Injection, midazolam hydrochloride, per 1 mg	69	29	$17.41	$0.15
J3010 Injection, fentanyl citrate, 0.1 mg	33	27	$22.55	$0.76
J7120 Ringers lactate infusion, up to 1000 cc	30	24	$19.33	$2.46
92134 Imaging of retina	15	15	$207.00	$45.31
J2280 Injection, moxifloxacin, 100 mg	15	15	$17.00	$9.55
92133 Imaging of optic nerve	15	14	$207.00	$41.29
00142 Anesthesia for lens surgery	13	11	$544.92	$177.81

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J2001 Injection, lidocaine hcl for intravenous infusion, 10 mg	360	14	$17.00	$0.03
92014 Established patient complete exam of visual system	112	82	$387.00	$143.86
92012 Established patient problem focused exam of visual system	95	55	$387.00	$102.35
J2250 Injection, midazolam hydrochloride, per 1 mg	74	25	$19.27	$0.12
J7120 Ringers lactate infusion, up to 1000 cc	27	17	$24.85	$2.47
J3010 Injection, fentanyl citrate, 0.1 mg	26	19	$38.12	$0.66
00142 Anesthesia for lens surgery	19	12	$585.89	$139.53
92083 Exam of visual field with extended testing	15	14	$310.00	$72.93

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	54	41	$387.00	$141.74
92012 Established patient problem focused exam of visual system	47	27	$387.00	$100.43
99441 Telephone medical discussion with physician, 5-10 minutes	22	20	$100.00	$27.75
92012 Established patient problem focused exam of visual system	16	12	$387.00	$57.29
92083 Exam of visual field with extended testing	14	11	$310.00	$72.72
92014 Established patient complete exam of visual system	14	14	$387.00	$86.78
92134 Imaging of retina	13	11	$207.00	$45.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	45	31	$387.00	$57.42
92014 Established patient complete exam of visual system	42	35	$387.00	$86.60
92014 Established patient complete exam of visual system	19	19	$387.00	$141.50
92100 Multiple measurements of eye fluid pressure over an extended time period	17	12	$276.00	$93.75
92285 Photography of content of eyes	17	12	$207.00	$23.90
92134 Imaging of retina	16	16	$207.00	$45.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	122	102	$387.00	$84.12
92100 Multiple measurements of eye fluid pressure over an extended time period	76	43	$276.00	$89.49
92012 Established patient problem focused exam of visual system	66	46	$387.00	$56.19
92285 Photography of content of eyes	56	38	$207.00	$21.32
92100 Multiple measurements of eye fluid pressure over an extended time period	22	18	$276.00	$36.06
92250 Photography of the retina	21	16	$310.00	$61.11
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	12	$1226.00	$47.05
99213 Established patient office or other outpatient visit, typically 15 minutes	18	17	$1426.00	$53.10
92083 Exam of visual field with extended testing	15	15	$310.00	$70.76

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	81	60	$1100.38	$53.37
92014 Established patient complete exam of visual system	65	61	$387.00	$84.39
92012 Established patient problem focused exam of visual system	52	38	$387.00	$55.88
92100 Multiple measurements of eye fluid pressure over an extended time period	46	34	$276.00	$87.51
92285 Photography of content of eyes	35	27	$207.00	$20.89
99213 Established patient office or other outpatient visit, typically 15 minutes	31	24	$1341.74	$76.80
92250 Photography of the retina	16	15	$310.00	$71.80
92083 Exam of visual field with extended testing	12	11	$260.00	$70.25

Medical Specialties & State Licenses

CMS Verified: 2026-05-15

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License CA A97828

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Hospital & Practice Group Affiliations

County Of Los Angeles

335 E Ave I, Lancaster, CA 935351916

Phone: 6614714232

Practice Associates & Co-Workers

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

21 Associated Practitioners

Brenda Nieto

Registered Nurse - Ambulatory Care

NPI 1053288423

Arnulfo Alvarado Cruz , RN

Registered Nurse

NPI 1093682155

Registered Nurse

Angela Acain

Registered Nurse - Ambulatory Care

NPI 1104791516

Henry Lemus , RN

Registered Nurse - Ambulatory Care

NPI 1124993191

Registered Nurse

Mayra Gonzalez , RN

Registered Nurse - Ambulatory Care

NPI 1215649397

Registered Nurse

Christa Davison , FNP

Nurse Practitioner - Family

NPI 1285289975

Family Nurse Practitioner

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location May 15, 2026

Registered at 335 E AVENUE I, LANCASTER, CA 935351916 (Tel: 6614714000)

📍

Updated Business Mailing Address May 15, 2026

Registered at 335 E AVENUE I, LANCASTER, CA 935351916 (Tel: 6614714000)

✅

NPI Profile Active July 01, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location July 01, 2014

Registered at 2625 W ALAMEDA AVE, 208, BURBANK, CA 91505 (Tel: 8188453557)

📍

Updated Business Mailing Address July 01, 2014

Registered at 2625 W ALAMEDA AVE, 208, BURBANK, CA 91505 (Tel: 8188453557)

👤

Provider Name / Credentials Updated July 01, 2014

Recorded as BARBARA YATES, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 01, 2014

Ophthalmology (License #A97828 in CA)

🟢

Initial NPI Registration & Enumeration August 28, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1164616686

Entity Type:

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

Enumeration Date: August 28, 2007

Last Update: May 15, 2026

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

335 E Avenue I

Lancaster, CA 935351916

Phone: 6614714000

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.