Dr. Gregory James Mosteller, MD
- Medicare services, 2024
- 1,149
- Medicare patients, 2024
- 706
- Part D claims, 2024
- 295
- MIPS score, 2024
- 97
- Hospital affiliations
- 1
- Practice address
- 4420 Lake Boone Trail, Raleigh, NC 27607
- Practice phone
- Call (919) 784-3100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mosteller's professional email, personal email and mobile number
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Dr. Gregory James Mosteller is an emergency medicine physician in Raleigh, North Carolina
Dr. Mosteller practices at UNC Health Rex in Raleigh, North Carolina, part of University of North Carolina Health Care System.
Dr. Mosteller's NPI, 1033177647, was assigned on May 3, 2006. Dr. Mosteller graduated from Ohio State University College of Medicine in 1996. Dr. Mosteller holds Ohio license 35073106M.
- NPI
- 1033177647NPI Registry (opens in a new tab)
- NPI enumeration date
- May 3, 2006
- NPI status
- Active
- Practice phone
- (919) 784-3100
- 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 James Mosteller practices at UNC Health Rex in Raleigh, North Carolina
Dr. Mosteller's primary practice is UNC Health Rex, at 4420 Lake Boone Trail, Raleigh, NC 27607 in Wake County. The practice phone is (919) 784-3100.
- UNC Health Rex4420 Lake Boone Trail, Raleigh, NC 27607 · Wake CountyPhone(919) 784-3100
Source: Dmand AI Affiliation Data
Dr. Gregory James Mosteller is affiliated with 2 sites of care and 1 medical group
Dr. Mosteller's primary practice is UNC Health Rex in Raleigh, North Carolina, part of University of North Carolina Health Care System. The medical group on file is Raleigh Emergency Medicine Associates. Dmand AI also links Dr. Mosteller to 1 more clinical lab, 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 James Mosteller's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mosteller practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UNC Health Rex | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory James Mosteller is one of 1,860 emergency medicine physicians in North Carolina
Emergency medicine is Dr. Mosteller's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Mosteller is licensed in Ohio.
Specialties and state licenses
- Emergency medicine, OhioPrimary
Emergency medicine physicians near Dr. Mosteller
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 James Mosteller billed Medicare for 1,149 services in 2024
CMS data shows 1,149 Medicare services from Dr. Mosteller across 4 procedure codes in 2024, for 706 Medicare patients. Medicare paid $77,667 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Mosteller's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 6862024: 58814%
- Office and hospital visits
- 2023: 6642024: 56116%
Dr. Mosteller compared with the North Carolina median for emergency medicine physicians, 2024
- Dr. Mosteller
- North Carolina median
- Medicare services
- 1,149vs 2844.0 times
- Medicare patients
- 706vs 2512.8 times
- Part D claims
- 166vs 802.1 times
Medians across 1,795 emergency medicine physicians in North Carolina with Dmand AI profiles that report each measure.
Dr. Mosteller'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 James Mosteller treated 706 Medicare patients in 2024, average age 76
CMS counts 706 Medicare patients who saw Dr. Mosteller in 2024. The largest group is 75 to 84, with 271 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 2.05, 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. Mosteller's median patient age at 55, with 59% women.
Dr. Mosteller's Medicare patients by age, 2024
Dr. Mosteller's Medicare patients by sex, 2024
- Women41559%
- Men29141%
Chronic conditions among Dr. Mosteller's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Ischemic heart disease48%
- Anxiety44%
- Heart failure40%
- Mood disorders40%
- Chronic kidney disease39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mosteller's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory James Mosteller wrote 295 Medicare Part D claims in 2024
In 2024, Dr. Mosteller wrote 295 Medicare Part D claims for 225 patients. 95% of them were for generic drugs. CMS names the drug for 166 of them, across 7 drugs with 11 or more claims each, at $754 in total drug cost. In 2023, CMS named 185 claims across 7 drugs.
Dr. Mosteller's Part D claims by kind of drug, 2024
- Generic279 claims95%
- Brand-name16 claims5%
Dr. Mosteller'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. Mosteller's Part D claims, 2024
- Opioids25%74 of 295 claims
- Antibiotics31%90 of 295 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: 1852024: 16610%
Drugs named by CMS: 7 in 2024, 7 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. Gregory James Mosteller scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Mosteller for performance year 2024, reported as part of a group.
Dr. Mosteller's MIPS scores, performance year 2024
- 97of 100Final score
- 99.5of 100Quality
- 40of 100Improvement Activities
- 84of 100Cost
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. Gregory James Mosteller graduated from Ohio State University College of Medicine
Dr. Mosteller graduated from Ohio State University College of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory James Mosteller'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) |
| 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 James Mosteller
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 James Mosteller's NPI number?
Dr. Gregory James Mosteller's NPI number is 1033177647. It was assigned on May 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory James Mosteller?
Dr. Gregory James Mosteller is an emergency medicine physician in Raleigh, North Carolina. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Gregory James Mosteller practice?
Dr. Mosteller practices at 4420 Lake Boone Trail, Raleigh, NC 27607. Dr. Mosteller's primary practice is UNC Health Rex in Raleigh, North Carolina, part of University of North Carolina Health Care System. Dmand AI also links Dr. Mosteller to 1 clinical lab.
What is Dr. Gregory James Mosteller's office phone number?
The practice phone on file for Dr. Mosteller is (919) 784-3100.
What is Dr. Gregory James Mosteller's medical license number?
Dr. Mosteller holds Ohio license 35073106M.
Which hospitals is Dr. Gregory James Mosteller affiliated with?
Dr. Mosteller practices at UNC Health Rex in Raleigh, North Carolina.
What medical group is Dr. Gregory James Mosteller part of?
Dr. Mosteller is linked to Raleigh Emergency Medicine Associates.
Does Dr. Gregory James Mosteller accept Medicare?
Yes. CMS data shows Dr. Mosteller billed Medicare for 1,149 services in 2024.
What is Dr. Gregory James Mosteller's MIPS score?
Dr. Mosteller's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Dr. Gregory James Mosteller see?
CMS counts 706 Medicare patients who saw Dr. Mosteller in 2024, with an average age of 76.
Show 4 more questionsShow fewer questions
What services does Dr. Gregory James Mosteller bill to Medicare?
In 2024, Dr. Mosteller's most billed Medicare services were heart test or procedure (93010), emergency department visit (99285) and emergency department visit (99284).
Where did Dr. Gregory James Mosteller go to medical school?
Dr. Mosteller graduated from Ohio State University College of Medicine in 1996.
What drugs does Dr. Gregory James Mosteller prescribe most?
In 2024 Medicare Part D data, Dr. Mosteller's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Ondansetron ODT and Amoxicillin-Clavulanate Potass.
How long has Dr. Gregory James Mosteller been practicing?
Dr. Mosteller graduated from medical school in 1996, 30 years ago.
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