Dr. Gregory G. Casey, DO
- Medicare services, 2024
- 229
- Medicare patients, 2024
- 192
- Part D claims, 2024
- 53
- Hospital affiliations
- 1
- Industry payments
- $213
- Practice address
- 1500 Lansdowne Ave, Darby, PA 19023
- Practice phone
- Call (215) 237-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Casey's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gregory G. Casey is an emergency medicine physician in Darby, Pennsylvania
Dr. Casey practices at Mercy Fitzgerald Hospital in Darby, Pennsylvania, part of Trinity Health.
Dr. Casey's NPI, 1629205083, was assigned on June 12, 2009. Dr. Casey graduated from Philadelphia College of Osteopathic Medicine in 2009. Dr. Casey holds Pennsylvania license OT012963.
- NPI
- 1629205083NPI Registry (opens in a new tab)
- NPI enumeration date
- June 12, 2009
- NPI status
- Active
- Practice phone
- (215) 237-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gregory G. Casey practices at Mercy Fitzgerald Hospital in Darby, Pennsylvania
Dr. Casey's primary practice is Mercy Fitzgerald Hospital, at 1500 Lansdowne Ave, Darby, PA 19023 in Delaware County. The practice phone is (215) 237-4000.
- Mercy Fitzgerald Hospital1500 Lansdowne Ave, Darby, PA 19023 · Delaware CountyPhone(215) 237-4000
Source: Dmand AI Affiliation Data
Dr. Gregory G. Casey is affiliated with 1 site of care and 2 medical groups
Dr. Casey's primary practice is Mercy Fitzgerald Hospital in Darby, Pennsylvania, part of Trinity Health. The medical group on file is Vituity. Dmand AI also links Dr. Casey to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory G. Casey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Casey practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Fitzgerald Hospital | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Trinity Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gregory G. Casey is one of 2,549 emergency medicine physicians in Pennsylvania
Emergency medicine is Dr. Casey's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Casey is licensed in Pennsylvania.
Specialties and state licenses
- Emergency medicine, PennsylvaniaPrimary
Emergency medicine physicians near Dr. Casey
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory G. Casey billed Medicare for 229 services in 2024
CMS data shows 229 Medicare services from Dr. Casey across 5 procedure codes in 2024, for 192 Medicare patients. Medicare paid $25,877 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Casey's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2862024: 22920%
Dr. Casey compared with the Pennsylvania median for emergency medicine physicians, 2024
- Dr. Casey
- Pennsylvania median
- Medicare services
- 229vs 2436% below
- Medicare patients
- 192vs 23318% below
- Part D claims
- 27vs 4032% below
Medians across 2,501 emergency medicine physicians in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Casey's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Casey?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Casey and other emergency medicine physicians in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory G. Casey treated 192 Medicare patients in 2024, average age 72
CMS counts 192 Medicare patients who saw Dr. Casey in 2024. The largest group is 65 to 74, with 82 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 57% are also on Medicaid. Their average risk score is 2.67, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Casey's median patient age at 54, with 50% women.
Dr. Casey's Medicare patients by age, 2024
Dr. Casey's Medicare patients by sex, 2024
- Women10856%
- Men8444%
Chronic conditions among Dr. Casey's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Diabetes57%
- Ischemic heart disease47%
- Chronic kidney disease43%
- Heart failure41%
- Mood disorders41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Casey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory G. Casey wrote 53 Medicare Part D claims in 2024
In 2024, Dr. Casey wrote 53 Medicare Part D claims for 41 patients. 91% of them were for generic drugs. CMS names the drug for 27 of them, across 2 drugs with 11 or more claims each, at $255 in total drug cost. In 2022, CMS named 41 claims across 2 drugs.
Dr. Casey's Part D claims by kind of drug, 2024
- Generic48 claims91%
- Brand-name and other5 claims9%
Dr. Casey's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Casey's Part D claims, 2024
- Antibiotics26%14 of 53 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 412023: 2734%
Drugs named by CMS: 2 in 2023, 2 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Gregory G. Casey received $213 in industry payments from 2016 to 2017
CMS Open Payments shows 2 general payments to Dr. Casey from 2 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Genentech, Inc. paid the most, $115.
General payments to Dr. Casey by program year, 2016 to 2017
Companies that paid Dr. Casey the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory G. Casey graduated from Philadelphia College of Osteopathic Medicine
Dr. Casey graduated from Philadelphia College of Osteopathic Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory G. Casey's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory G. Casey
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gregory G. Casey's NPI number?
Dr. Gregory G. Casey's NPI number is 1629205083. It was assigned on June 12, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory G. Casey?
Dr. Gregory G. Casey is an emergency medicine physician in Darby, Pennsylvania. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Gregory G. Casey practice?
Dr. Casey practices at 1500 Lansdowne Ave, Darby, PA 19023. Dr. Casey's primary practice is Mercy Fitzgerald Hospital in Darby, Pennsylvania, part of Trinity Health. Dmand AI also links Dr. Casey to 1 medical group.
What is Dr. Gregory G. Casey's office phone number?
The practice phone on file for Dr. Casey is (215) 237-4000.
What is Dr. Gregory G. Casey's medical license number?
Dr. Casey holds Pennsylvania license OT012963.
Which hospitals is Dr. Gregory G. Casey affiliated with?
Dr. Casey practices at Mercy Fitzgerald Hospital in Darby, Pennsylvania.
What medical group is Dr. Gregory G. Casey part of?
Dr. Casey is linked to Vituity. Dmand AI links Dr. Casey to 1 more medical group.
Does Dr. Gregory G. Casey accept Medicare?
Yes. CMS data shows Dr. Casey billed Medicare for 229 services in 2024.
How many Medicare patients does Dr. Gregory G. Casey see?
CMS counts 192 Medicare patients who saw Dr. Casey in 2024, with an average age of 72.
What services does Dr. Gregory G. Casey bill to Medicare?
In 2024, Dr. Casey's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and emergency department visit (99283).
Show 4 more questionsShow fewer questions
Where did Dr. Gregory G. Casey go to medical school?
Dr. Casey graduated from Philadelphia College of Osteopathic Medicine in 2009.
What drugs does Dr. Gregory G. Casey prescribe most?
In 2023 Medicare Part D data, Dr. Casey's most prescribed drugs by claims were Prednisone and Albuterol Sulfate Hfa.
Has Dr. Gregory G. Casey received payments from drug or device companies?
CMS Open Payments shows $213 in general payments to Dr. Casey from 2 companies from 2016 to 2017. The largest total came from Genentech, Inc.
How long has Dr. Gregory G. Casey been practicing?
Dr. Casey graduated from medical school in 2009, 17 years ago.
Selling to emergency medicine practices?
See emergency medicine physicians in Pennsylvania by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card