Oren Schaefer, M.D.

Pulmonary Disease Internal Medicine

Internal Medicine

Oren Schaefer is a Pulmonary Disease Internal Medicine specialist based in Worcester, MA with over 40 years of clinical experience. Offers virtual telehealth visits.

(508) 926-8240Worcester, MA
Telehealth Available
NPI Active per CMS — Q2 2026

Patients across MA can see Oren Schaefer, M.D. in person in Worcester or via virtual visit — no travel required. A Geisel School of Medicine at Dartmouth graduate since 1986, he brings 40+ years of experience. He regularly sees Medicare patients with hypertension, high cholesterol, and COPD (per CMS claims data).

1 of 193 Internal Medicine providers in MASee all Internal Medicine in Worcester40+ years experienceNPI since 2005

Older · 5031dNPPES updated 2012-08-14 · verify NPI on CMS · Verify license at Massachusetts Board of Registration in Medicine

Contact & Location

Practice Location

33 Oak Avenue, Worcester, MA 01605

Fax: (508) 926-8580
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 Hypertension, High Cholesterol, and COPD.

Hypertension
Higher than avg (+5%)75%

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

US avg: 70.2%

↑ More patients than average (+5%) — a focus area for this doctor

High Cholesterol
Higher than avg (+5%)75%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+5%) — a focus area for this doctor

COPD
Higher than avg (+29%)49%

Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow

US avg: 20.4%

↑ More patients than average (+29%) — a focus area for this doctor

Arthritis
Lower than avg (-3%)46%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-3%) — less common here

Asthma
Higher than avg (+24%)37%

A condition causing airway inflammation, wheezing, and difficulty breathing

US avg: 13.3%

↑ More patients than average (+24%) — a focus area for this doctor

Anxiety Disorders
Higher than avg (+2%)36%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

↑ More patients than average (+2%) — a focus area for this doctor

Ischemic Heart Disease
Higher than avg (+3%)35%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

US avg: 31.7%

↑ More patients than average (+3%) — a focus area for this doctor

Mood Disorders
34%

Conditions affecting emotional state, including depression and bipolar disorder

GeneralBehavioralNational avg

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

Patient Reviews

No patient reviews yet. If you've seen Oren Schaefer, your feedback helps other patients.

Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →

Background & Specialty

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

Career Journey
  1. Graduated medical school · 1986

    Geisel School of Medicine at Dartmouth

  2. 40 years in practice

    Senior practitioner

Internal MedicinePulmonary Disease in WorcesterAllopathic & Osteopathic Physicians

Pulmonologists specialize in respiratory conditions including asthma, COPD, pneumonia, pulmonary fibrosis, sleep apnea, and lung cancer screening. They manage patients on ventilators and perform bronchoscopies.

Taxonomy: 207RP1001X

Education & Training

Geisel School of Medicine at Dartmouth (Class of 1986)

Practice Footprint

Mailing address

Po Box 726, Leominster, MA 01453

Differs from practice location

Virtual Pulmonary Disease Care With Oren Schaefer

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

Schedule a virtual visit with Oren Schaefer for blood pressure monitoring, cholesterol management, COPD management — no travel to Worcester required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Oren Schaefer

Dr. Schaefer is listed as active in the NPI registry with telehealth listed in Worcester, MA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (508) 926-8240.

Verified across 4 federal data sources

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

Is this your profile?

Verify credentials, update practice details, and manage telehealth.

Claim Profile

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.

Related Providers

Pulmonary Disease Internal Medicine in MA

See all