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Edit this profileListed in the NPI registry as a hospitalist, Preston Baker, MD practices in Evanston, IL. Preston is also listed as specializing in student in an organized health care education program and internal medicine. Medicare claims data shows Preston provided 26 services to 26 patients. The services billed most often include critical care, first 30-74 minutes. NPI 1588241301 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.
2650 RIDGE AVE
Evanston, IL 60201
2160 S 1st Ave
Maywood, IL 60153
5145 N California Ave
Chicago, IL 60625
Within Hospital Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Brain & nerves
Breathing & lungs
Digestive health
Endocrine
General medical
Heart & Circulation
Heart & circulation
Infections
Liver & Digestive
Lung Infections
Nutrition
Allergic Reactions
Blood Clots
Blood Disorders
Brain & Nerves
Emergencies
Hormones & diabetes
Kidney & urinary
Lungs & Breathing
Access & tubes
Addiction Medicine
Breathing support
Critical Care
Diagnostic procedures
Emergency Care
Heart Procedures
Hospital services
Kidney Care
Medication & fluids
Mental Health
Neurological Care
Rehabilitation
Urinary Care
Airway & Breathing
Diagnostic Testing
Draining fluids
Joint Procedures
Lung Procedures
Nutrition Support
26 services · 26 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Critical care, first 30-74 minutes | Office visit | 99291 |
26 | As often as other peers in Hospitalist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Baker is a hospitalist in Evanston, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Baker is listed at 2650 Ridge Ave, Evanston, IL 60201. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (847) 570-2040. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Baker's National Provider Identifier is 1588241301. 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. Baker attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
Dr. Baker has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Baker the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. 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. Baker. If this is you, claiming it is free.
Guide.md
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