James R Baker, MD

Allergy & Immunology

Internal Medicine

James R Baker is an Allergy & Immunology specialist based in Ann Arbor, MI with over 48 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

Also practices: INTERNAL MEDICINE

(734) 647-5940Ann Arbor, MI
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

With over 48 years in internal medicine, James R Baker, MD is a long-established allergy & immunology specialist in Ann Arbor. A Loyola University of Chicago, Stritch School of Medicine graduate since 1978, he brings 48+ years of experience. CMS Medicare data shows his patients commonly have high cholesterol, hypertension, and asthma.

1 of 2 Internal Medicine providers in MISee all Internal Medicine in Ann Arbor48+ years experienceNPI since 2006

Older · 2082dNPPES updated 2020-09-10 · verify NPI on CMS · Verify license at Michigan Board of Medicine

Contact & Location

Practice Location

24 Frank Lloyd Wright Dr Suite H-2100, Ann Arbor, MI 48105-9484

CMS Clinical Data

How Does This Doctor Compare?

Medicare Patients

33

Unique beneficiaries

Boutique practice

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Asthma.

High Cholesterol
52%

Elevated cholesterol or triglycerides that increase heart disease risk

Hypertension
48%

High blood pressure — a leading risk factor for heart disease and stroke

Asthma
42%

A condition causing airway inflammation, wheezing, and difficulty breathing

Arthritis
42%

Joint inflammation causing pain, swelling, and stiffness

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

Industry Payment Transparency

$50 received from industry

2 transactions reported in 2024 ·Low tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to James R Baker's NPI.

Community Context

Social Vulnerability Index: 0.59 / 1.00

Moderate vulnerability

He practices in a community where the CDC measures social vulnerability across socioeconomic status, household composition, racial/ethnic minority status, and housing/transportation factors. A higher index indicates more residents may face barriers accessing care.

Source: CDC/ATSDR Social Vulnerability Index.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 1978

    Loyola University Chicago Stritch School of Medicine

  2. Board certified · Sep 9, 2020

    Self-reported via NPPES

  3. 48 years in practice

    Senior practitioner

Internal MedicineAllergy & Immunology in Ann ArborAllopathic & Osteopathic Physicians

An internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Special Qualifications in the field of Allergy & Immunology.

Taxonomy: 207RA0201X

Education & Training

Loyola University of Chicago, Stritch School of Medicine (Class of 1978)

Practice Footprint

Mailing address

3621 S State St, Ann Arbor, MI 48108-1633

Differs from practice location

Virtual Allergy & Immunology Care With James R Baker

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with James R Baker for cholesterol management, blood pressure monitoring, asthma reviews — no travel to Ann Arbor required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about James R Baker

Dr. Baker is listed as active in the NPI registry with telehealth listed in Ann Arbor, MI. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (734) 647-5940.

Verified across 6 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Open Payments 2024 · CMS Physician Comparator · HRSA HPSA · CDC SVI. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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