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Dr. Patrick Michael Casey , DO, MS

Internal Medicine β€’ Lancaster, PA

Active NPI 1114603248 Individual Practitioner Male Practitioner
Practice location in NPPES

555 N Duke St
Lancaster, PA 176022250

Call 7175448144 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

555 N Duke St

Lancaster, PA 176022250

Telephone 7175448144
Fax 7175448140
Organization at the Same NPPES Address or Phone
Select Specialty Hospital - Lancaster Inc Facility NPI 1205836046

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

NPPES lists 1 additional practice-address record in Philadelphia, PA. See the list

Source: CMS NPPES NPI Registry, practice location records; release date unavailable.

Listings do not confirm current availability, employment or a shared ownership network.

30-day fills

129 standardized 30-day fills in 2024

CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.

What this does not show: 30-day fills

It is not a count of patients and not a measure of quality.

Part D drug cost

$1,032 in 2024

The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.

What this does not show: Part D drug cost

A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.

Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024.

Industry payments (Open Payments)

Fewer than 11 payment records totaling $15.94 in 2025

Drug and medical device companies must report certain payments to doctors and some other clinicians to CMS, such as meals, travel, speaking fees or research funding.

These records are submitted by drug and medical device companies, and a reported payment does not necessarily mean the financial relationship is improper.

General: payments not tied to research, such as meals, travel, consulting or speaking fees.

A reported payment does not necessarily mean the financial relationship is improper. Research payments can go to a hospital or university for a study the clinician leads, not to the clinician personally. Clinicians can dispute records with the company that reported them.

Source: CMS Open Payments, program year 2025.

Guide: How to read an Open Payments record

NPI first issued

2023

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Medicare assignment not listed

CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, β€œDoes your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Dr. Casey has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Dr. Casey as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Lancaster and Pennsylvania

Billing and prescribing volume is not a quality rating.

Medicare Part D prescriptions

Fewer Part D prescriptions than 70% of clinicians listed under Internal Medicine in Lancaster, PA (2024, 64 clinicians with data). Median for this group: 292. Middle half: 62 to 3,408.

Fewer Part D prescriptions than 75% of clinicians listed under Internal Medicine in Pennsylvania (2024, 4,127 clinicians with data). Median for this group: 563. Middle half: 93 to 4,863.

Part D drug cost

A lower Part D drug cost than 70% of clinicians listed under Internal Medicine in Lancaster, PA (2024, 64 clinicians with data). Median for this group: $29,463. Middle half: $742 to $280,966.

A lower Part D drug cost than 75% of clinicians listed under Internal Medicine in Pennsylvania (2024, 4,127 clinicians with data). Median for this group: $49,071. Middle half: $2,009 to $414,887.

91 active clinicians are listed under Internal Medicine with a practice address in Lancaster, PA (7,304 in Pennsylvania).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Lancaster

16.5% of these 91 clinicians have the CMS telehealth indicator.

76.9% of these 91 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo Β· Report an error.

Pharma & Medical Device Financial Disclosures

Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments

Open Payments Β· Program Year 2025

Program year 2025 (payments made January 1 – December 31, 2025): fewer than 11 records totaling $15.94.

Manufacturer Payment Nature Product Type Amount ($)
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp)
Food and Beverage
Cash or cash equivalent
LifeVest General $15.94

Source: CMS Open Payments, program year 2025, released June 30, 2026.

Medicare Part D Prescribing Profile & Medications

Medicare Part D prescriptions filled, including refills, in 2024.

CMS Part D Β· Data Year 2024
Brand Name Generic Name Prescriptions Day Supply Total Cost Patients
Atorvastatin Calcium Atorvastatin Calcium 20 1,260 $171.19 12
Amlodipine Besylate Amlodipine Besylate 18 1,014 $43.34 β€”
Metformin Hcl Metformin Hcl 18 780 $357.56 β€”
Losartan-Hydrochlorothiazide Losartan/Hydrochlorothiazide 13 390 $412.73 β€”
Lisinopril Lisinopril 12 420 $46.72 β€”

Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2026-07-13
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

License # reported to NPPES PA OS025899

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.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Pennsylvania Department of State Licensing.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - FAMILY PRACTICE

Medicare Enrollment ID

I20260617000793

Enrollment State Jurisdiction

PA

PECOS Control ID

1153893540

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Secondary Practice Locations

5501 Old York Rd Ste 1

Philadelphia, PA 191413098

Phone: 4846221000

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

40 listed
NPI 1003896283

Doctor of Medicine (M.D.)

Rebecca Adams , CRNP

Nurse Practitioner - Gerontology

NPI 1780041723

Certified Registered Nurse Practitioner

NPI 1649269150

Doctor of Medicine (M.D.)

NPI 1194388488

Doctor of Osteopathic Medicine (D.O.)

Sonia Arneja

Family Medicine

NPI 1689087280
Dr. Joseph Awantang , MD

Internal Medicine

NPI 1023436425

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

10 Historical Events
πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) July 13, 2026

Internal Medicine (license number reported to NPPES: PA OS025899)

πŸ“
Updated Practice Location April 28, 2026

Registered at 555 N DUKE ST, LANCASTER, PA 176022250 (Tel: 7175448144)

πŸ“
Updated Business Mailing Address April 28, 2026

Registered at 555 N DUKE ST, LANCASTER, PA 176022250 (Tel: 7175448144)

πŸ‘€
Provider Name / Credentials Updated April 28, 2026

Recorded as PATRICK CASEY, DO, MS

βœ…
NPI Profile Active June 23, 2023

NPI status registered as active in NPPES database

πŸ“
Practice Location (Initial Record) June 23, 2023

Registered at 5501 OLD YORK RD STE 1, PHILADELPHIA, PA 191413098 (Tel: 4846221000)

πŸ“
Business Mailing Address (Initial Record) June 23, 2023

Registered at 5501 OLD YORK RD STE 1, PHILADELPHIA, PA 191413098

πŸ‘€
Provider Name / Credentials (Initial Record) June 23, 2023

Recorded as PATRICK CASEY, DO, MBS

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) June 23, 2023

Internal Medicine (license number reported to NPPES: PA OT022930)

🟒
Initial NPI Registration & Enumeration June 23, 2023

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1114603248
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 23, 2023
Last Update: July 13, 2026
Sole Proprietor: No

Other Internal Medicine Providers in Lancaster

All Internal Medicine Providers in Lancaster

Mailing Address

555 N Duke St

Lancaster, PA 176022250

Phone: 7175448144

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.