Dr. Gregory Earle Cromer, MD
- Medicare services, 2024
- 332
- Medicare patients, 2024
- 275
- Part D claims, 2024
- 353
- Hospital affiliations
- 2
- Medical groups
- 3
- Practice address
- 298 Memorial Dr, Seneca, SC 29672
- Practice phone
- Call (864) 482-3100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Gregory Earle Cromer is an emergency medicine physician in Seneca, South Carolina
Dr. Cromer practices at Prisma Health Oconee Memorial Hospital in Seneca, South Carolina, part of Prisma Health.
Dr. Cromer's NPI, 1366410490, was assigned on March 14, 2006. Dr. Cromer graduated from Medical University of South Carolina College of Medicine in 1996. Dr. Cromer holds South Carolina license 22514.
- NPI
- 1366410490NPI Registry (opens in a new tab)
- NPI enumeration date
- March 14, 2006
- NPI status
- Active
- Practice phone
- (864) 482-3100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gregory Earle Cromer practices at Prisma Health Oconee Memorial Hospital in Seneca, South Carolina
Dr. Cromer's primary practice is Prisma Health Oconee Memorial Hospital, at 298 Memorial Dr, Seneca, SC 29672 in Oconee County. The practice phone is (864) 482-3100.
- Prisma Health Oconee Memorial Hospital298 Memorial Dr, Seneca, SC 29672 · Oconee CountyPhone(864) 482-3100
Source: Dmand AI Affiliation Data
Dr. Gregory Earle Cromer is affiliated with 3 sites of care and 3 medical groups
Dr. Cromer's primary practice is Prisma Health Oconee Memorial Hospital in Seneca, South Carolina, part of Prisma Health. Dr. Cromer is also affiliated with Prisma Health Greenville Memorial Hospital. The medical group on file is Prisma Health Medical Group. Dmand AI also links Dr. Cromer to 2 more medical groups and 1 hospital outpatient department, 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. Gregory Earle Cromer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cromer practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Prisma Health Oconee Memorial Hospital | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Earle Cromer is one of 1,026 emergency medicine physicians in South Carolina
Emergency medicine is Dr. Cromer's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Cromer is licensed in South Carolina.
Specialties and state licenses
- Emergency medicine, South CarolinaPrimary
Emergency medicine physicians near Dr. Cromer
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 Earle Cromer billed Medicare for 332 services in 2024
CMS data shows 332 Medicare services from Dr. Cromer across 5 procedure codes in 2024, for 275 Medicare patients. Medicare paid $32,353 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Cromer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2962024: 2863%
- Tests and treatments
- 2023: 1582024: 4671%
Dr. Cromer compared with the South Carolina median for emergency medicine physicians, 2024
- Dr. Cromer
- South Carolina median
- Medicare services
- 332vs 3618% below
- Medicare patients
- 275vs 32415% below
- Part D claims
- 232vs 1072.2 times
Medians across 1,019 emergency medicine physicians in South Carolina with Dmand AI profiles that report each measure.
Dr. Cromer'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Earle Cromer treated 275 Medicare patients in 2024, average age 75
CMS counts 275 Medicare patients who saw Dr. Cromer in 2024. The largest group is 75 to 84, with 100 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.82, 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. Cromer's median patient age at 40, with 56% women.
Dr. Cromer's Medicare patients by age, 2024
Dr. Cromer's Medicare patients by sex, 2024
- Women14854%
- Men12746%
Chronic conditions among Dr. Cromer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Ischemic heart disease47%
- Chronic kidney disease41%
- Diabetes41%
- Mood disorders39%
- Anxiety37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Cromer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Earle Cromer wrote 353 Medicare Part D claims in 2024
In 2024, Dr. Cromer wrote 353 Medicare Part D claims for 190 patients. 92% of them were for generic drugs. CMS names the drug for 232 of them, across 9 drugs with 11 or more claims each, at $1,927 in total drug cost. In 2023, CMS named 277 claims across 10 drugs.
Dr. Cromer's Part D claims by kind of drug, 2024
- Generic326 claims92%
- Brand-name and other27 claims8%
Dr. Cromer'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. Cromer's Part D claims, 2024
- Opioids18%62 of 353 claims
- Antibiotics26%92 of 353 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: 2772024: 23216%
Drugs named by CMS: 9 in 2024, 10 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
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Dr. Gregory Earle Cromer graduated from Medical University of South Carolina College of Medicine
Dr. Cromer graduated from Medical University of South Carolina College of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory Earle Cromer'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) |
| 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 Earle Cromer
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 Earle Cromer's NPI number?
Dr. Gregory Earle Cromer's NPI number is 1366410490. It was assigned on March 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Earle Cromer?
Dr. Gregory Earle Cromer is an emergency medicine physician in Seneca, South Carolina. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Gregory Earle Cromer practice?
Dr. Cromer practices at 298 Memorial Dr, Seneca, SC 29672. Dr. Cromer's primary practice is Prisma Health Oconee Memorial Hospital in Seneca, South Carolina, part of Prisma Health. Dmand AI also links Dr. Cromer to 2 medical groups and 1 hospital outpatient department.
What is Dr. Gregory Earle Cromer's office phone number?
The practice phone on file for Dr. Cromer is (864) 482-3100.
What is Dr. Gregory Earle Cromer's medical license number?
Dr. Cromer holds South Carolina license 22514.
Which hospitals is Dr. Gregory Earle Cromer affiliated with?
Dr. Cromer practices at Prisma Health Oconee Memorial Hospital in Seneca, South Carolina. Dr. Cromer is also affiliated with Prisma Health Greenville Memorial Hospital.
What medical group is Dr. Gregory Earle Cromer part of?
Dr. Cromer is linked to Prisma Health Medical Group. Dmand AI links Dr. Cromer to 2 more medical groups.
Does Dr. Gregory Earle Cromer accept Medicare?
Yes. CMS data shows Dr. Cromer billed Medicare for 332 services in 2024.
How many Medicare patients does Dr. Gregory Earle Cromer see?
CMS counts 275 Medicare patients who saw Dr. Cromer in 2024, with an average age of 75.
What services does Dr. Gregory Earle Cromer bill to Medicare?
In 2024, Dr. Cromer's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).
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Where did Dr. Gregory Earle Cromer go to medical school?
Dr. Cromer graduated from Medical University of South Carolina College of Medicine in 1996.
What drugs does Dr. Gregory Earle Cromer prescribe most?
In 2024 Medicare Part D data, Dr. Cromer's most prescribed drugs by claims were Ondansetron ODT, Prednisone and Hydrocodone-Acetaminophen.
How long has Dr. Gregory Earle Cromer been practicing?
Dr. Cromer graduated from medical school in 1996, 30 years ago.
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