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Active NPI 1245246164 Individual Practitioner Male Practitioner

Dr. John S Marshburn , MD

Ophthalmology • Placentia, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Marshburn, MD is a certified Ophthalmology practicing in Placentia, CA. With approximately 33 years of clinical experience since graduating from Tulane University School Of Medicine in 1993, Dr. Marshburn delivers high-quality medical care to the local community at 1275 N ROSE DR.

Dr. Marshburn accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient complete exam of visual system, photography of the retina, imaging of optic nerve. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1275 N Rose Dr
Suite 112

Placentia, CA 928703941

Telephone 7147921199
Fax 7147921196
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Tulane University School Of Medicine

Graduation Year

1993

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Placentia, CA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
33 Yrs +8.7 yrs vs City Avg
City Avg: 24.3 Yrs
State Avg: 29.5 Yrs
Regional Practice Density
5 Specialists

Practicing in Placentia, CA (3116 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
64.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Marshburn (33 Years) 33 Yrs
Placentia Specialty Average (24.3 Years) 24.3 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
1,301 862 $168.00 $139.64
92250 Photography of the retina
1,241 609 $100.40 $20.56
92133 Imaging of optic nerve
1,137 550 $100.00 $20.12
92083 Exam of visual field with extended testing
823 400 $92.56 $35.89
92012 Established patient problem focused exam of visual system
764 517 $115.00 $99.20
92134 Imaging of retina
616 295 $100.16 $22.32
76519 Ultrasound of eye for determination of lens power
116 59 $132.89 $36.19
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
107 107 $125.00 $123.05
76514 Ultrasound scan of cornea to determine thickness
104 56 $74.04 $6.31
92004 New patient complete exam of visual system
95 95 $221.85 $164.37
66984 Removal of cataract with insertion of lens
77 59 $2500.00 $584.11
92020 Examination of cornea and iris using lens device and slit lamp
39 39 $55.00 $30.06
66821 Removal of recurring cataract in lens capsule using a laser
31 28 $950.00 $368.79
92002 New patient problem focused exam of visual system
23 23 $146.17 $94.44

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License CA A60789

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.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID State License
A60789 (CA)

Practice Associates & Co-Workers

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

11 Associated Practitioners
Dr. Peter Kwon , MD

Internal Medicine

NPI 1003840471

Doctor of Medicine (M.D.)

Sue Ann Tumakay , PA-C

Physician Assistant

NPI 1003863341

Physician Assistant (Certified)

Dr. Saleem Waraich , MD

Internal Medicine - Rheumatology

NPI 1164601332

Doctor of Medicine (M.D.)

NPI 1194854794

Doctor of Medicine (M.D.)

NPI 1427034370

Doctor of Podiatric Medicine

Dr. Warren Woo , MD

Family Medicine

NPI 1447340336

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active November 28, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location November 28, 2007

Registered at 1275 N ROSE DR, SUITE 112, PLACENTIA, CA 928703941 (Tel: 7147921199)

📍
Updated Business Mailing Address November 28, 2007

Registered at 1275 N ROSE DR, SUITE 112, PLACENTIA, CA 928703941 (Tel: 7147921199)

👤
Provider Name / Credentials Updated November 28, 2007

Recorded as JOHN MARSHBURN, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 28, 2007

Ophthalmology (License #A60789 in CA)

🟢
Initial NPI Registration & Enumeration July 31, 2006

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: 1245246164
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 31, 2006
Last Update: November 28, 2007
Sole Proprietor: Yes

Mailing Address

1275 N Rose Dr, Suite 112

Placentia, CA 928703941

Phone: 7147921199

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.