Physician Profile
Unclaimed ProfileAbout YOON
Stephen Paul Yoon practices ophthalmology in Baltimore, MD. Stephen is a 2019 graduate of Duke University School of Medicine. According to Medicare claims data, Stephen cared for 62 Medicare patients across 62 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (410) 328-6110
- Email not available
Practice Locations
22 S GREENE ST RM N3E09
Baltimore, MD 21201
Procedures Most Often Billed to Medicare
62 services · 62 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient problem focused exam of visual system | Treatment | 92012 |
39 |
| Imaging of optic nerve | Treatment | 92133 |
12 |
| Established patient complete exam of visual system | Treatment | 92014 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other ophthalmology specialists in Baltimore 8
Same specialty, same city.
Trained at Duke University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2019 at Duke University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Established patient problem focused exam of visual system 8
Providers in MD who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Yoon?
Dr. Yoon is an ophthalmology in Baltimore, MD. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPHTHALMOLOGY”.
NPI registry
What is Dr. Yoon's address?
Dr. Yoon is listed at 22 S GREENE ST RM N3E09, Baltimore, MD 21201. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Yoon?
The number on file is (410) 328-6110. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Yoon's NPI number?
Dr. Yoon's National Provider Identifier is 1508327420. 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
Where did Dr. Yoon train?
Dr. Yoon attended Duke University School of Medicine, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Yoon been practicing?
Dr. Yoon has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Yoon perform?
According to Medicare billing data, Dr. Yoon provides treatments such as established patient problem focused exam of visual system and imaging of optic nerve. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Yoon confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Yoon. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.