Erin Marie Fly, D.O.

Internal Medicine

Erin Marie Fly is an Internal Medicine specialist based in Quakertown, PA with over 41 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(215) 538-1111Quakertown, PA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Erin Marie Fly, D.O. has practiced internal medicine for 41+ years. A Philadelphia College of Osteopathic Medicine graduate since 1985, she brings 41+ years of experience. CMS Medicare data shows her patients commonly have hypertension, high cholesterol, and arthritis. CMS MIPS quality score: 95.64/100 (2023).

At a glance

  • Prescribes opioids less than 24% of reporting doctors in Pennsylvania
  • Uses generic medications more than 65% 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 967 Internal Medicine providers in PASee all Internal Medicine in Quakertown41+ years experienceNPI since 2005

Older · 6893dNPPES updated 2007-07-09 · verify NPI on CMS · Verify license at Pennsylvania State Board of Medicine

Contact & Location

Practice Location

1021 Park Ave Suite 101, Quakertown, PA 18951-1573

Fax: (215) 538-2166
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, prescribes opioid pain medications conservatively, 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.

Opioid Rx

↓ Lower = better

2.88%

Pennsylvania avg: 4.3 · US avg: 5.1

Higher than most doctors nationally(-2.2 pts)

2.88% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Generic Rx

↑ Higher = better

90%

Pennsylvania avg: 82.8 · US avg: 82.8

Higher than most doctors nationally(+7.2 pts)

Typical range among reporting doctors in Pennsylvania

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

Medicare Patients

405

Unique beneficiaries

Standard volume

Prescription Recipients

705

Patients prescribed

Prescriptions Written

9,510

Total claims

Total Medicare drug cost: $683k

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 (+10%)40%

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

US avg: 29.6%

↑ More patients than average (+10%) — a focus area for this doctor

Anxiety Disorders
Lower than avg (-6%)28%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

↓ Fewer patients than average (-6%) — less common here

Mood Disorders
28%

Conditions affecting emotional state, including depression and bipolar disorder

Diabetes
Lower than avg (-7%)27%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↓ Fewer patients than average (-7%) — less common here

Depression
Lower than avg (-7%)25%

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

US avg: 31.8%

↓ Fewer patients than average (-7%) — 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 · 1985

    Philadelphia College of Osteopathic Medicine

  2. 41 years in practice

    Senior practitioner

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

Philadelphia College of Osteopathic Medicine (Class of 1985)

Virtual Internal Medicine Care With Erin Marie Fly

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

Schedule a virtual visit with Erin Marie Fly for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Quakertown 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 Erin Marie Fly

NPI records show Dr. Fly as active with telehealth listed in Quakertown, PA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (215) 538-1111.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · 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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