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Edit this profileListed in the NPI registry as an ophthalmology — retina specialist, Chase A. Ludwig, MD practices in Stanford, CA. Chase graduated from Stanford University School of Medicine in 2016. Chase is also listed as specializing in ophthalmology. Medicare claims data shows Chase provided 252 services to 142 patients. The services billed most often include imaging of retina, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and imaging of retina. NPI 1932556875 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
300 PASTEUR DR
Stanford, CA 94305
Within Ophthalmology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Eye injury and cancer
Inflammation, neurologic, and orbit
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
Retina and vitreous
Eye injuries
Retina & vitreous
Cataract and lens
Cornea and refractive
Emergency and minor
Examination and imaging
Eyelid, tear duct, and muscle
Glaucoma
Retina
Most searched procedures
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
252 services · 142 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Imaging of retina | Treatment | 92134 |
106 | Less often than most peers in Ophthalmology — Retina Specialist |
| Imaging of retina | Treatment | 92134 |
47 | Less often than most peers in Ophthalmology — Retina Specialist |
| Established patient complete exam of visual system | Treatment | 92014 |
27 | Less often than most peers in Ophthalmology — Retina Specialist |
| Photography of the retina | Treatment | 92250 |
25 | Less often than most peers in Ophthalmology — Retina Specialist |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
47 | Less often than most peers in Ophthalmology — Retina Specialist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Ludwig is an eye doctor in Stanford, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology — Retina Specialist”.
NPI registry
Dr. Ludwig is listed at 300 Pasteur Dr, Stanford, CA 94305. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (650) 723-4000. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Ludwig's National Provider Identifier is 1932556875. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Ludwig attended Stanford University School of Medicine, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
Dr. Ludwig has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Ludwig provides treatments such as imaging of retina and established patient complete exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ludwig. If this is you, claiming it is free.
Guide.md
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