Dr. John S. Marshburn, MD
- Medicare services, 2024
- 6,474
- Medicare patients, 2024
- 1,002
- Part D claims, 2024
- 2,705
- MIPS score, 2024
- 75
- Industry payments
- $119
- Practice address
- 681 S Parker St, Suite 150, Orange, CA 92868
- Practice phone
- Call (714) 744-0900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
La Veta Surgical Center
Surgery Center - Medicare-Certified · Orange, California
Find Dr. Marshburn's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John S. Marshburn is an ophthalmologist in Orange, California
Dr. Marshburn practices at La Veta Surgical Center in Orange, California.
Dr. Marshburn's NPI, 1245246164, was assigned on July 31, 2006. Dr. Marshburn graduated from Tulane School of Medicine in 1993. Dr. Marshburn holds California license A60789.
- NPI
- 1245246164NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496838773
- NPI enumeration date
- July 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 744-0900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John S. Marshburn practices at La Veta Surgical Center in Orange, California
Dr. Marshburn's primary practice is La Veta Surgical Center, at 681 S Parker St, Suite 150, Orange, CA 92868. The practice phone is (714) 744-0900.
- La Veta Surgical Center681 S Parker St, Suite 150, Orange, CA 92868Phone(714) 744-0900
Source: Dmand AI Affiliation Data
Dr. John S. Marshburn is affiliated with 3 sites of care
Dr. Marshburn's primary practice is La Veta Surgical Center in Orange, California. Dmand AI also links Dr. Marshburn to 2 physician offices, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John S. Marshburn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marshburn practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| La Veta Surgical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John S. Marshburn is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Marshburn's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dmand AI has Dr. Marshburn's licenses on file in 3 states: California, Louisiana and Alabama.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
- Louisiana license
- Alabama license
Clinical focus
Dmand AI lists age-related macular degeneration, cataract surgery with lens implant, cold sores or genital herpes, conjunctivitis, dry eye, eyelid inflammation, glaucoma and glaucoma surgery among the conditions Dr. Marshburn treats.
Ophthalmologists near Dr. Marshburn
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John S. Marshburn billed Medicare for 6,474 services in 2024
CMS data shows 6,474 Medicare services from Dr. Marshburn across 14 procedure codes in 2024, for 1,002 Medicare patients. Medicare paid $307,724 for them.
Dr. Marshburn's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 6,0192024: 6,039No change
- Imaging
- 2023: 2342024: 2206%
- Surgery
- 2023: 1002024: 1088%
- Office and hospital visits
- 2023: 1112024: 1074%
Where Dr. Marshburn's Medicare services took place, 2024
- In an office6,39799%
- In a facility771%
Dr. Marshburn compared with the California median for ophthalmologists, 2024
- Dr. Marshburn
- California median
- Medicare services
- 6,474vs 1,0796.0 times
- Medicare patients
- 1,002vs 4212.4 times
- Part D claims
- 2,608vs 6184.2 times
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Marshburn's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Marshburn?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marshburn and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John S. Marshburn treated 1,002 Medicare patients in 2024, average age 78
CMS counts 1,002 Medicare patients who saw Dr. Marshburn in 2024. The largest group is 75 to 84, with 470 patients. 75% of them have high cholesterol, and 73% have high blood pressure. Their average risk score is 1.14, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Marshburn's median patient age at 74, with 58% women.
Dr. Marshburn's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Marshburn's Medicare patients by sex, 2024
- Women59760%
- Men40540%
Chronic conditions among Dr. Marshburn's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis48%
- Diabetes30%
- Chronic kidney disease24%
- Ischemic heart disease24%
- Osteoporosis23%
- Atrial fibrillation18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marshburn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women58%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John S. Marshburn wrote 2,705 Medicare Part D claims in 2024
In 2024, Dr. Marshburn wrote 2,705 Medicare Part D claims for 566 patients. 53% of them were for generic drugs. CMS names the drug for 2,608 of them, across 30 drugs with 11 or more claims each, at $346,061 in total drug cost. In 2023, CMS named 2,449 claims across 29 drugs.
Dr. Marshburn's Part D claims by kind of drug, 2024
- Generic1,438 claims53%
- Brand-name1,267 claims47%
Dr. Marshburn's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,4492024: 2,6086%
Drugs named by CMS: 30 in 2024, 29 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. John S. Marshburn scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Marshburn for performance year 2024, reported as part of a group. Dr. Marshburn accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 134 procedures of cataract surgery by Dr. Marshburn, more than 78% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Where Dr. Marshburn ranks in Medicare procedure volume
- Cataract surgery
- 78th percentile134 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. John S. Marshburn received $119 in industry payments from 2016 to 2022
CMS Open Payments shows 4 general payments to Dr. Marshburn from 4 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 58% of the total. Horizon Pharma plc paid the most, $44.
General payments to Dr. Marshburn by program year, 2016 to 2022
General payments to Dr. Marshburn by kind, 2016 to 2022
- Food and beverage$6858%
- Education$5042%
Companies that paid Dr. Marshburn the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John S. Marshburn graduated from Tulane School of Medicine
Dr. Marshburn graduated from Tulane School of Medicine in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. John S. Marshburn accepts plans from 13 insurance carriers
Dr. Marshburn is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +5 more carriersWith a free account
Plan types Dr. Marshburn accepts, by number of carriers
- PPO9
- Medicare7
- HMO6
- EPO4
- POS3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. John S. Marshburn's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John S. Marshburn
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John S. Marshburn's NPI number?
Dr. John S. Marshburn's NPI number is 1245246164. It was assigned on July 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John S. Marshburn?
Dr. John S. Marshburn is an ophthalmologist in Orange, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. John S. Marshburn practice?
Dr. Marshburn practices at 681 S Parker St, Suite 150, Orange, CA 92868. Dr. Marshburn's primary practice is La Veta Surgical Center in Orange, California. Dmand AI also links Dr. Marshburn to 2 physician offices.
What is Dr. John S. Marshburn's office phone number?
The practice phone on file for Dr. Marshburn is (714) 744-0900.
What is Dr. John S. Marshburn's medical license number?
Dr. Marshburn holds California license A60789, one of the licenses on file in 3 states.
Which states has Dr. John S. Marshburn been licensed in?
Dmand AI has state licenses on file for Dr. Marshburn in California (1996 to 2026), Louisiana (1994 to 2022) and Alabama (1994 to 2003).
Does Dr. John S. Marshburn accept Medicare?
Yes. CMS data shows Dr. Marshburn billed Medicare for 6,474 services in 2024, and Dr. Marshburn accepts Medicare assignment.
What is Dr. John S. Marshburn's MIPS score?
Dr. Marshburn's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
How many Medicare patients does Dr. John S. Marshburn see?
CMS counts 1,002 Medicare patients who saw Dr. Marshburn in 2024, with an average age of 78.
What services does Dr. John S. Marshburn bill to Medicare?
In 2024, Dr. Marshburn's most billed Medicare services were eye exam or test (92014), eye exam or test (92250) and eye exam or test (92133).
Show 5 more questionsShow fewer questions
Where did Dr. John S. Marshburn go to medical school?
Dr. Marshburn graduated from Tulane School of Medicine in 1993.
What drugs does Dr. John S. Marshburn prescribe most?
In 2024 Medicare Part D data, Dr. Marshburn's most prescribed drugs by claims were Latanoprost, Lumigan and Dorzolamide-Timolol.
Has Dr. John S. Marshburn received payments from drug or device companies?
CMS Open Payments shows $119 in general payments to Dr. Marshburn from 4 companies from 2016 to 2022. The largest total came from Horizon Pharma plc.
How long has Dr. John S. Marshburn been practicing?
Dr. Marshburn graduated from medical school in 1993, 33 years ago.
What insurance does Dr. John S. Marshburn accept?
Dr. Marshburn is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
Selling to ophthalmology practices?
See ophthalmologists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card