Shannon Leigh Tosounian, D.O.

Gastroenterology Internal Medicine

(484) 526-6545Center Valley, PA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Patients across PA can see Shannon Leigh Tosounian, D.O. in person in Center Valley or via virtual visit — no travel required. She graduated from Lake Erie College of Osteopathic Medicine, Erie in 2015 and has 11+ years of clinical experience. She regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data). CMS MIPS quality score: 95.64/100 (2023).

At a glance

  • Uses generic medications more than 66% of reporting doctors in Pennsylvania
  • Federal MIPS score higher than 85% of MIPS-scored doctors in Pennsylvania
  • Virtual visits available — no app or travel required
1 of 251 Internal Medicine providers in PASee all Internal Medicine in Center Valley11+ years experienceNPI since 2015

Older · 236dNPPES updated 2025-09-12 · verify on CMS

Contact & Location

Practice Location

5405 Saucon Creek Rd Suite 200, Center Valley, PA 18034-3018

CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor scores better than 85% of doctors in Pennsylvania on federal quality measures, favors affordable generic drugs over brand-name ones.

MIPS Score

2023

95.64/100

Pennsylvania avg: 83.7 · US avg: 83.6

Higher than most doctors nationally(+12 pts)

Better than 85% of MIPS-scored doctors in Pennsylvania

How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.

Generic Rx

↑ Higher = better

90.2%

Pennsylvania avg: 82.8 · US avg: 82.8

Higher than most doctors nationally(+7.4 pts)

Typical range among reporting doctors in Pennsylvania

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

311

Unique beneficiaries

Standard volume

Prescription Recipients

146

Patients prescribed

Prescriptions Written

327

Total claims

Total Medicare drug cost: $38k

Percentile rankings compared against 3,764 reporting peers in Pennsylvania.

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 Hypertension, High Cholesterol, and Arthritis.

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

Arthritis
Higher than avg (+5%)54%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

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

Chronic Kidney Disease
Higher than avg (+15%)45%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

US avg: 29.6%

↑ More patients than average (+15%) — a focus area for this doctor

Mood Disorders
42%

Conditions affecting emotional state, including depression and bipolar disorder

Anxiety Disorders
Higher than avg (+7%)41%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

↑ More patients than average (+7%) — a focus area for this doctor

Depression
Higher than avg (+6%)38%

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

US avg: 31.8%

↑ More patients than average (+6%) — a focus area for this doctor

Diabetes
34%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%
GeneralBehavioralNational avg

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

Industry Payment Transparency

$125 received from industry

1 transaction 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 Shannon Leigh Tosounian's NPI.

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Background & Specialty

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

Career Journey
  1. Graduated medical school · 2015

    Lake Erie College of Osteopathic Medicine

  2. Board certified · Sep 11, 2025

    CMS-verified certification date

  3. 11 years in practice

    Established

Internal MedicineAllopathic & Osteopathic Physicians

Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.

Taxonomy: 207RG0100X

Education & Training

Lake Erie College of Osteopathic Medicine, Erie (Class of 2015)

Practice Footprint

Mailing address

4505 Saucon Creek Rd, Center Valley, PA 18034-8481

Differs from practice location

Virtual Internal Medicine Care With Shannon Leigh Tosounian

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

Schedule a virtual visit with Shannon Leigh Tosounian for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Center Valley 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 Shannon Leigh Tosounian

NPI records show Dr. Tosounian as active with telehealth listed in Center Valley, PA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (484) 526-6545.

Verified across 6 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · 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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