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Dr. Casey Earl Underhill, MD
NPI1578925202PAC ID9739588179
- Medicare services, 2024
- 92
- Medicare patients, 2024
- 96
- Part D claims, 2024
- 61
- Publications
- 1
- MIPS score, 2024
- 94
- Practice address
- 3950 Austell Rd, Austell, GA 30106
- Practice phone
- Call (770) 732-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Underhill's professional email, personal email and mobile number
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Dr. Casey Earl Underhill is an emergency medicine physician in Austell, Georgia
Dr. Underhill practices at Wellstar Cobb Medical Center in Austell, Georgia, part of Wellstar Health System.
Dr. Underhill's NPI, 1578925202, was assigned on March 22, 2016. Dr. Underhill holds Indiana license 01078831A.
NPI and contact details
- NPI
- 1578925202NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739588179
- NPI enumeration date
- March 22, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (770) 732-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Casey Earl Underhill practices at Wellstar Cobb Medical Center in Austell, Georgia
Dr. Underhill's primary practice is Wellstar Cobb Medical Center, at 3950 Austell Rd, Austell, GA 30106 in Cobb County. The practice phone is (770) 732-4000.
- Wellstar Cobb Medical Center3950 Austell Rd, Austell, GA 30106 · Cobb CountyPhone(770) 732-4000
Source: Dmand AI Affiliation Data
Dr. Casey Earl Underhill is affiliated with 3 sites of care and 1 medical group
Dr. Underhill's primary practice is Wellstar Cobb Medical Center in Austell, Georgia, part of Wellstar Health System. Dr. Underhill is also affiliated with Wellstar Paulding Medical Center. The medical group on file is The Bortolazzo Group LLC. Dmand AI also links Dr. Underhill to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Casey Earl Underhill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Underhill practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Wellstar Cobb Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Casey Earl Underhill is one of 1,629 emergency medicine physicians in Georgia
Emergency medicine is Dr. Underhill's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Underhill is licensed in Indiana.
Specialties and state licenses
- Emergency medicine, IndianaPrimary
Emergency medicine physicians near Dr. Underhill
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
1,629emergency medicine physicians in Georgia23emergency medicine physicians in Austell21emergency medicine physicians at Wellstar Cobb Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Casey Earl Underhill billed Medicare for 92 services in 2024
CMS data shows 92 Medicare services from Dr. Underhill across 2 procedure codes in 2024, for 96 Medicare patients. Medicare paid $11,712 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202492
Medicare patients96
Paid by Medicare$11,712
Procedure codes2
Dr. Underhill compared with the Georgia median for emergency medicine physicians, 2024
- Dr. Underhill
- Georgia median
- Medicare services
- 92vs 29168% below
- Medicare patients
- 96vs 26163% below
Medians across 1,545 emergency medicine physicians in Georgia with Dmand AI profiles that report each measure.
Dr. Underhill'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. Underhill and other emergency medicine physicians in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Casey Earl Underhill treated 96 Medicare patients in 2024, average age 71
CMS counts 96 Medicare patients who saw Dr. Underhill in 2024. The largest group is 65 to 74, with 31 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 30% are also on Medicaid. Their average risk score is 2.82, 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. Underhill's median patient age at 63, with 61% women.
Medicare patients, 202496
Average age71
Average risk score2.82
Also on Medicaid30%
Dr. Underhill's Medicare patients by age, 2024
Dr. Underhill's Medicare patients by sex, 2024
- Women5254%
- Men4446%
Chronic conditions among Dr. Underhill's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Arthritis54%
- Diabetes51%
- Ischemic heart disease51%
- Chronic kidney disease50%
- Heart failure50%
- Anxiety33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Underhill's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Casey Earl Underhill wrote 61 Medicare Part D claims in 2024
In 2024, Dr. Underhill wrote 61 Medicare Part D claims for 48 patients. 92% of them were for generic drugs.
Part D claims, 202461
Part D patients48
Dr. Underhill's Part D claims by kind of drug, 2024
- Generic56 claims92%
- Brand-name and other5 claims8%
Drug classes CMS tracks in Dr. Underhill's Part D claims, 2024
- Opioids25%15 of 61 claims
- Antibiotics28%17 of 61 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Casey Earl Underhill scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Underhill for performance year 2024, reported through an alternative payment model (APM). Dr. Underhill accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Underhill's MIPS scores, performance year 2024
- 94of 100Final score
- 82.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
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Dr. Casey Earl Underhill has 1 publication on record
Dmand AI links 1 paper to Dr. Underhill. Dr. Underhill's most frequent co-authors are Edward J. Kruse, DO and Nathaniel James Walsh, MD.
Papers1
Dr. Underhill's most frequent co-authors
Recent publications by Dr. Underhill
See who Dr. Underhill researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Underhill works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Casey Earl Underhill'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 (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Casey Earl Underhill
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. Casey Earl Underhill's NPI number?
Dr. Casey Earl Underhill's NPI number is 1578925202. It was assigned on March 22, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Casey Earl Underhill?
Dr. Casey Earl Underhill is an emergency medicine physician in Austell, Georgia. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Casey Earl Underhill practice?
Dr. Underhill practices at 3950 Austell Rd, Austell, GA 30106. Dr. Underhill's primary practice is Wellstar Cobb Medical Center in Austell, Georgia, part of Wellstar Health System. Dmand AI also links Dr. Underhill to 1 hospital.
What is Dr. Casey Earl Underhill's office phone number?
The practice phone on file for Dr. Underhill is (770) 732-4000.
What is Dr. Casey Earl Underhill's medical license number?
Dr. Underhill holds Indiana license 01078831A.
Which hospitals is Dr. Casey Earl Underhill affiliated with?
Dr. Underhill practices at Wellstar Cobb Medical Center in Austell, Georgia. Dr. Underhill is also affiliated with Wellstar Paulding Medical Center. Dmand AI links Dr. Underhill to 1 more hospital.
What medical group is Dr. Casey Earl Underhill part of?
Dr. Underhill is linked to The Bortolazzo Group LLC.
Does Dr. Casey Earl Underhill accept Medicare?
Yes. CMS data shows Dr. Underhill billed Medicare for 92 services in 2024, and Dr. Underhill accepts Medicare assignment.
What is Dr. Casey Earl Underhill's MIPS score?
Dr. Underhill's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Casey Earl Underhill see?
CMS counts 96 Medicare patients who saw Dr. Underhill in 2024, with an average age of 71.
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What services does Dr. Casey Earl Underhill bill to Medicare?
In 2024, Dr. Underhill's most billed Medicare services were emergency department visit (99285) and emergency department visit (99284).
How long has Dr. Casey Earl Underhill been practicing?
Dr. Underhill graduated from medical school in 2016, 10 years ago.
Does Dr. Casey Earl Underhill do research?
Dmand AI links 1 publication to Dr. Underhill.
Who does Dr. Casey Earl Underhill publish with?
Dr. Underhill's most frequent co-authors are Edward J. Kruse, DO (1 shared paper) and Nathaniel James Walsh, MD (1 shared paper).
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