Dr. David Rex Shellenbarger, MD
- Medicare services, 2024
- 215
- Medicare patients, 2024
- 191
- Part D claims, 2024
- 234
- MIPS score, 2024
- 99
- Hospital affiliations
- 1
- Practice address
- 631 North Broad Street Ext., Grove City, PA 16127
- Practice phone
- Call (724) 450-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Shellenbarger's professional email, personal email and mobile number
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Dr. David Rex Shellenbarger is an emergency medicine physician in Grove City, Pennsylvania
Dr. Shellenbarger practices at AHN Grove City Hospital in Grove City, Pennsylvania, part of Highmark Health.
Dr. Shellenbarger's NPI, 1558554873, was assigned on August 21, 2007. Dr. Shellenbarger holds Pennsylvania license MT188103.
- NPI
- 1558554873NPI Registry (opens in a new tab)
- NPI enumeration date
- August 21, 2007
- NPI status
- Active
- Practice phone
- (724) 450-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. David Rex Shellenbarger practices at AHN Grove City Hospital in Grove City, Pennsylvania
Dr. Shellenbarger's primary practice is AHN Grove City Hospital, at 631 North Broad Street Ext., Grove City, PA 16127 in Mercer County. The practice phone is (724) 450-7000.
- AHN Grove City Hospital631 North Broad Street Ext., Grove City, PA 16127 · Mercer CountyPhone(724) 450-7000
Source: Dmand AI Affiliation Data
Dr. David Rex Shellenbarger is affiliated with 2 sites of care and 3 medical groups
Dr. Shellenbarger's primary practice is AHN Grove City Hospital in Grove City, Pennsylvania, part of Highmark Health. The medical group on file is US Acute Care Solutions. Dmand AI also links Dr. Shellenbarger to 2 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David Rex Shellenbarger's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shellenbarger practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| AHN Grove City Hospital | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Rex Shellenbarger is one of 2,549 emergency medicine physicians in Pennsylvania
Emergency medicine is Dr. Shellenbarger's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Shellenbarger is licensed in Pennsylvania.
Specialties and state licenses
- Emergency medicine, PennsylvaniaPrimary
Emergency medicine physicians near Dr. Shellenbarger
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. David Rex Shellenbarger billed Medicare for 215 services in 2024
CMS data shows 215 Medicare services from Dr. Shellenbarger across 4 procedure codes in 2024, for 191 Medicare patients. Medicare paid $25,401 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Shellenbarger's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1772024: 21521%
- Tests and treatments
- 2023: 202024: 0100%
Dr. Shellenbarger compared with the Pennsylvania median for emergency medicine physicians, 2024
- Dr. Shellenbarger
- Pennsylvania median
- Medicare services
- 215vs 24312% below
- Medicare patients
- 191vs 23318% below
- Part D claims
- 148vs 403.7 times
Medians across 2,501 emergency medicine physicians in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Shellenbarger'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Shellenbarger 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. David Rex Shellenbarger treated 191 Medicare patients in 2024, average age 74
CMS counts 191 Medicare patients who saw Dr. Shellenbarger in 2024. The largest group is 65 to 74, with 62 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.78, 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. Shellenbarger's median patient age at 57, with 53% women.
Dr. Shellenbarger's Medicare patients by age, 2024
Dr. Shellenbarger's Medicare patients by sex, 2024
- Women9952%
- Men9248%
Chronic conditions among Dr. Shellenbarger's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Chronic kidney disease41%
- Diabetes41%
- Ischemic heart disease35%
- Mood disorders31%
- Atrial fibrillation30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Shellenbarger's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Rex Shellenbarger wrote 234 Medicare Part D claims in 2024
In 2024, Dr. Shellenbarger wrote 234 Medicare Part D claims for 158 patients. 93% of them were for generic drugs. CMS names the drug for 148 of them, across 6 drugs with 11 or more claims each, at $818 in total drug cost. In 2023, CMS named 63 claims across 4 drugs.
Dr. Shellenbarger's Part D claims by kind of drug, 2024
- Generic217 claims93%
- Brand-name and other17 claims7%
Dr. Shellenbarger's most prescribed drugs by claims, 2024
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. Shellenbarger's Part D claims, 2024
- Opioids10%23 of 234 claims
- Antibiotics47%111 of 234 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 632024: 148135%
Drugs named by CMS: 6 in 2024, 4 in 2023.
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
Dr. David Rex Shellenbarger scored 99 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Shellenbarger for performance year 2024, reported as part of a group.
Dr. Shellenbarger's MIPS scores, performance year 2024
- 99of 100Final score
- 95.9of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. David Rex Shellenbarger received $215 in industry payments from 2017 to 2022
CMS Open Payments shows 5 general payments to Dr. Shellenbarger from 4 drug and device companies from 2017 to 2022. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $143.
General payments to Dr. Shellenbarger by program year, 2017 to 2022
Companies that paid Dr. Shellenbarger the most, 2017 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. David Rex Shellenbarger'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. David Rex Shellenbarger
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. David Rex Shellenbarger's NPI number?
Dr. David Rex Shellenbarger's NPI number is 1558554873. It was assigned on August 21, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. David Rex Shellenbarger?
Dr. David Rex Shellenbarger is an emergency medicine physician in Grove City, Pennsylvania. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. David Rex Shellenbarger practice?
Dr. Shellenbarger practices at 631 North Broad Street Ext., Grove City, PA 16127. Dr. Shellenbarger's primary practice is AHN Grove City Hospital in Grove City, Pennsylvania, part of Highmark Health. Dmand AI also links Dr. Shellenbarger to 2 medical groups and 1 group practice or clinic.
What is Dr. David Rex Shellenbarger's office phone number?
The practice phone on file for Dr. Shellenbarger is (724) 450-7000.
What is Dr. David Rex Shellenbarger's medical license number?
Dr. Shellenbarger holds Pennsylvania license MT188103.
Which hospitals is Dr. David Rex Shellenbarger affiliated with?
Dr. Shellenbarger practices at AHN Grove City Hospital in Grove City, Pennsylvania.
What medical group is Dr. David Rex Shellenbarger part of?
Dr. Shellenbarger is linked to US Acute Care Solutions. Dmand AI links Dr. Shellenbarger to 2 more medical groups.
Does Dr. David Rex Shellenbarger accept Medicare?
Yes. CMS data shows Dr. Shellenbarger billed Medicare for 215 services in 2024.
What is Dr. David Rex Shellenbarger's MIPS score?
Dr. Shellenbarger's MIPS final score for performance year 2024 is 99 out of 100, reported as part of a group.
How many Medicare patients does Dr. David Rex Shellenbarger see?
CMS counts 191 Medicare patients who saw Dr. Shellenbarger in 2024, with an average age of 74.
Show 4 more questionsShow fewer questions
What services does Dr. David Rex Shellenbarger bill to Medicare?
In 2024, Dr. Shellenbarger's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
What drugs does Dr. David Rex Shellenbarger prescribe most?
In 2024 Medicare Part D data, Dr. Shellenbarger's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Prednisone and Cephalexin.
Has Dr. David Rex Shellenbarger received payments from drug or device companies?
CMS Open Payments shows $215 in general payments to Dr. Shellenbarger from 4 companies from 2017 to 2022. The largest total came from Boston Scientific Corporation.
How long has Dr. David Rex Shellenbarger been practicing?
Dr. Shellenbarger's NPI was assigned in 2007.
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