Sandra Lynn Duemmler, PH.D.

Clinical Psychologist

Sandra Lynn Duemmler is a Clinical Psychologist based in West Chester, PA with over 27 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(302) 983-7971West Chester, PA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Sandra Lynn Duemmler, PH.D. has been part of the West Chester medical community since 2007 in independent practice. With 27+ years of experience, she has been practicing in the West Chester area. She regularly sees Medicare patients with high cholesterol, mood disorders, and arthritis (per CMS claims data).

1 of 346 Psychologist providers in PASee all Psychologist in West Chester27+ years experienceNPI since 2007

Older · 836dNPPES updated 2024-02-07 · verify NPI on CMS · Verify license at Pennsylvania State Board of Medicine

Contact & Location

Practice Location

1 Ivy Rock Rd, West Chester, PA 19382-8148

CMS Clinical Data

How Does This Doctor Compare?

Medicare Patients

19

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, Mood Disorders, and Arthritis.

High Cholesterol
75%

Elevated cholesterol or triglycerides that increase heart disease risk

Mood Disorders
75%

Conditions affecting emotional state, including depression and bipolar disorder

Arthritis
74%

Joint inflammation causing pain, swelling, and stiffness

Depression
68%

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

Anxiety Disorders
68%

Excessive worry or fear that interferes with daily life

Hypertension
63%

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

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. Board certified · Jan 22, 2024

    Self-reported via NPPES

  2. 27 years in practice

    Experienced

PsychologistBehavioral Health & Social Service Providers

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

Taxonomy: 103TC0700X

Virtual Psychology Care With Sandra Lynn Duemmler

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

Schedule a virtual visit with Sandra Lynn Duemmler for cholesterol management, mood disorder follow-ups, arthritis follow-ups — no travel to West Chester 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 Sandra Lynn Duemmler

NPI records show Dr. Duemmler as active with telehealth listed in West Chester, PA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (302) 983-7971.

Verified across 3 federal data sources

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

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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.

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