Physician Profile
Unclaimed ProfileAbout BAKER
John L Baker, OD is a healthcare provider in Chicago, IL specialising in optometry. John trained at Pennsylvania College of Optometry, graduating in 1984. John is also listed as specialising in optometrist.
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
Common questions
What does Dr. Baker specialise in?
Dr. Baker is an optometry in Chicago, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPTOMETRY”.
NPI registry
Where is Dr. Baker located?
Dr. Baker is listed at 3241 S MICHIGAN AVE, Chicago, IL 60616. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Baker's phone number?
The number on file is (630) 743-4500. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Baker's NPI number?
Dr. Baker's National Provider Identifier is 1447243936. 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. Baker go to medical school?
Dr. Baker attended Pennsylvania College of Optometry, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Baker been practising?
Dr. Baker has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Baker do most often?
According to Medicare billing data, Dr. Baker provides treatments such as established patient complete exam of visual system. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Baker confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Baker. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (630) 743-4500
- Email not available
Practice Locations
3241 S MICHIGAN AVE
Chicago, IL 60616
Procedures Most Often Billed to Medicare
14 services · 14 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient complete exam of visual system | Treatment | 92014 |
14 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other optometry specialists at this location 8
Same specialty, same street address — most likely the same department or group.
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 optometry specialists in Chicago 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Pennsylvania College of Optometry 8
Other providers in the same specialty who trained at the same institution.
Class of 1984 at Pennsylvania College of Optometry 8
Providers who graduated from the same medical school in the same year.
Also performs Established patient complete exam of visual system 8
Providers in IL who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.