Active NPI 1871645978 Individual Practitioner Male Practitioner

Dr. John Ward Walker , OD

Optometrist • Windsor, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Walker, OD is a certified Optometrist practicing in Windsor, CA. With approximately 29 years of clinical experience since graduating from Southern California College Of Optometry in 1997, Dr. Walker delivers high-quality medical care to the local community at 9071 CONDE LN.

Dr. Walker accepts Medicare assignment.

Frequently performed procedures and clinical services include photography of the retina, established patient outpatient office visit, exam of visual field with extended testing. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

9071 Conde Ln

Windsor, CA 954927419

Telephone 7078360306

Fax 7078360392

Medicare Profile & Education

Medical School

Southern California College Of Optometry

Graduation Year

1997

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist in Windsor, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

29 Yrs +4.0 yrs vs City Avg

City Avg: 25.0 Yrs

State Avg: 21.9 Yrs

Regional Practice Density

6 Specialists

Practicing in Windsor, CA (8588 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

26.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Walker (29 Years) 29 Yrs

Windsor Specialty Average (25.0 Years) 25.0 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
92250 Photography of the retina	23	23	$100.00	$41.75
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	20	19	$125.00	$123.47

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92250 Photography of the retina	30	29	$100.00	$40.66
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	21	21	$125.00	$123.90
92083 Exam of visual field with extended testing	12	12	$100.00	$71.87
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$125.00	$123.01

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92250 Photography of the retina	40	40	$100.63	$38.30
92083 Exam of visual field with extended testing	38	37	$100.66	$71.69
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$126.14	$125.23
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	17	$125.00	$123.94

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92083 Exam of visual field with extended testing	27	27	$100.00	$71.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	14	$125.00	$125.00
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$125.00	$125.00

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92083 Exam of visual field with extended testing	31	30	$100.00	$70.99
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	19	19	$125.00	$118.22
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$125.00	$124.82

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92083 Exam of visual field with extended testing	40	40	$100.00	$70.49
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	22	22	$125.00	$115.59
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$125.00	$123.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92083 Exam of visual field with extended testing	67	63	$100.00	$68.00
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	33	33	$125.00	$123.00
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	30	28	$124.33	$109.99

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92083 Exam of visual field with extended testing	56	52	$100.00	$66.43
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	31	29	$124.35	$108.19
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	24	24	$124.17	$120.67

Medical Specialties & State Licenses

Optometrist Primary Specialty

NUCC Taxonomy Code: 152W00000X

State License CA OPT 10868 TPA

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

SD0108680 (CA)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active November 08, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location November 08, 2013

Registered at 9071 CONDE LN, WINDSOR, CA 954927419 (Tel: 7078360306)

📍

Updated Business Mailing Address November 08, 2013

Registered at 9071 CONDE LN, WINDSOR, CA 954927419 (Tel: 7078360306)

👤

Provider Name / Credentials Updated November 08, 2013

Recorded as JOHN WALKER, O.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 08, 2013

Optometrist (License #OPT 10868 TPA in CA)

🟢

Initial NPI Registration & Enumeration January 17, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. John Walker. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1871645978

Entity Type:

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

Enumeration Date: January 17, 2007

Last Update: November 08, 2013

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

9071 Conde Ln

Windsor, CA 954927419

Phone: 7078360306

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.