Jennifer Elizabeth Castillo, MD

Internal Medicine

Jennifer Elizabeth Castillo is an Internal Medicine specialist based in Ann Arbor, MI with over 24 years of clinical experience. Offers virtual telehealth visits.

(734) 930-4020Ann Arbor, MI
Telehealth Available
NPI Active per CMS — Q2 2026

With over 24 years in internal medicine, Jennifer Elizabeth Castillo, MD is a long-established internist in Ann Arbor. A University of Pittsburgh School of Medicine graduate since 2002, she brings 24+ years of experience. She regularly sees Medicare patients with high cholesterol, hypertension, and arthritis (per CMS claims data).

At a glance

  • Uses generic medications more than 44% of reporting doctors in Michigan
  • Virtual visits available — no app or travel required
1 of 920 Internal Medicine providers in MISee all Internal Medicine in Ann Arbor24+ years experienceNPI since 2006

Older · 2579dNPPES updated 2019-05-01 · verify NPI on CMS · Verify license at Michigan Board of Medicine

Contact & Location

Practice Location

24 Frank Lloyd Wright Dr Ste L2200, Ann Arbor, MI 48105

Fax: (734) 769-8948
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 Arthritis.

High Cholesterol
Lower than avg (-8%)62%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↓ Fewer patients than average (-8%) — less common here

Hypertension
Lower than avg (-17%)53%

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

US avg: 70.2%

↓ Fewer patients than average (-17%) — less common here

Arthritis
Lower than avg (-18%)31%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-18%) — less common here

Osteoporosis
Higher than avg (+11%)29%

Weakened bones that are more prone to fractures, common in older adults

US avg: 18.1%

↑ More patients than average (+11%) — a focus area for this doctor

Anxiety Disorders
Lower than avg (-12%)22%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

↓ Fewer patients than average (-12%) — less common here

Mood Disorders
22%

Conditions affecting emotional state, including depression and bipolar disorder

Depression
Lower than avg (-12%)20%

A mood disorder causing persistent sadness and loss of interest in activities

US avg: 31.8%

↓ Fewer patients than average (-12%) — less common here

GeneralBehavioralNational avg

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

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Background & Specialty

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

Career Journey
  1. Graduated medical school · 2002

    University of Pittsburgh School of Medicine

  2. 24 years in practice

    Experienced

Internal MedicineAllopathic & Osteopathic Physicians

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Taxonomy: 207R00000X

Education & Training

University of Pittsburgh School of Medicine (Class of 2002)

Practice Footprint

Mailing address

24 Frank Lloyd Wright Dr Ste L2200, Ann Arbor, MI 48105-9484

Differs from practice location

Virtual Internal Medicine Care With Jennifer Elizabeth Castillo

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

Schedule a virtual visit with Jennifer Elizabeth Castillo for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Ann Arbor required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Jennifer Elizabeth Castillo

Dr. Castillo 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) 930-4020.

Verified across 4 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. 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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