Dr. Peter Simon Fleming, MD
- Medicare services, 2024
- 647
- Medicare patients, 2024
- 214
- Part D claims, 2024
- 403
- Hospital affiliations
- 1
- Industry payments
- $139
- 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. Fleming's professional email, personal email and mobile number
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Dr. Peter Simon Fleming is an internist in Raleigh, North Carolina
Dr. Fleming practices at UNC Health Rex in Raleigh, North Carolina, part of University of North Carolina Health Care System.
Dr. Fleming's NPI, 1154559284, was assigned on June 26, 2009. Dr. Fleming graduated from University of North Carolina at Chapel Hill School of Medicine in 2009. Dr. Fleming holds North Carolina license 2013-02318.
- NPI
- 1154559284NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375773591
- NPI enumeration date
- June 26, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (919) 784-3100
- 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; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter Simon Fleming practices at UNC Health Rex in Raleigh, North Carolina
Dr. Fleming'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. Peter Simon Fleming is affiliated with 2 sites of care and 1 medical group
Dr. Fleming'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 North Carolina Heart & Vascular Hospital. Dmand AI also links Dr. Fleming 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. Peter Simon Fleming's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fleming 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. Peter Simon Fleming is one of 3,705 internists in North Carolina
Internal medicine is Dr. Fleming's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Fleming is licensed in North Carolina.
Specialties and state licenses
- Internal medicine, North CarolinaPrimary
Internists near Dr. Fleming
Counts of internists 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. Peter Simon Fleming billed Medicare for 647 services in 2024
CMS data shows 647 Medicare services from Dr. Fleming across 4 procedure codes in 2024, for 214 Medicare patients. Medicare paid $43,632 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Fleming's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7602024: 64715%
Dr. Fleming compared with the North Carolina median for internists, 2024
- Dr. Fleming
- North Carolina median
- Medicare services
- 647vs 52124% above
- Medicare patients
- 214vs 18516% above
- Part D claims
- 149vs 27245% below
Medians across 3,695 internists in North Carolina with Dmand AI profiles that report each measure.
Dr. Fleming'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. Peter Simon Fleming treated 214 Medicare patients in 2024, average age 77
CMS counts 214 Medicare patients who saw Dr. Fleming in 2024. The largest group is 75 to 84, with 93 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 2.74, 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. Fleming's median patient age at 77, with 52% women.
Dr. Fleming's Medicare patients by age, 2024
Dr. Fleming's Medicare patients by sex, 2024
- Women11152%
- Men10348%
Chronic conditions among Dr. Fleming's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis70%
- Chronic kidney disease62%
- Heart failure54%
- Ischemic heart disease54%
- Anxiety48%
- Diabetes48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fleming's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter Simon Fleming wrote 403 Medicare Part D claims in 2024
In 2024, Dr. Fleming wrote 403 Medicare Part D claims for 152 patients. 90% of them were for generic drugs. CMS names the drug for 149 of them, across 9 drugs with 11 or more claims each, at $8,155 in total drug cost. In 2023, CMS named 196 claims across 12 drugs.
Dr. Fleming's Part D claims by kind of drug, 2024
- Generic364 claims90%
- Brand-name39 claims10%
Dr. Fleming'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. Fleming's Part D claims, 2024
- Opioids6%23 of 403 claims
- Antibiotics12%50 of 403 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: 1962024: 14924%
Drugs named by CMS: 9 in 2024, 12 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
How Dr. Peter Simon Fleming takes part in Medicare
Dr. Fleming accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Peter Simon Fleming received $139 in industry payments from 2016 to 2017
CMS Open Payments shows 9 general payments to Dr. Fleming from 6 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $52.
General payments to Dr. Fleming by program year, 2016 to 2017
Companies that paid Dr. Fleming 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. Peter Simon Fleming graduated from University of North Carolina at Chapel Hill School of Medicine
Dr. Fleming graduated from University of North Carolina at Chapel Hill School of Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Peter Simon Fleming'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 | Doctors and Clinicians National Downloadable File (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. Peter Simon Fleming
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. Peter Simon Fleming's NPI number?
Dr. Peter Simon Fleming's NPI number is 1154559284. It was assigned on June 26, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter Simon Fleming?
Dr. Peter Simon Fleming is an internist in Raleigh, North Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Peter Simon Fleming practice?
Dr. Fleming practices at 4420 Lake Boone Trail, Raleigh, NC 27607. Dr. Fleming'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. Fleming to 1 clinical lab.
What is Dr. Peter Simon Fleming's office phone number?
The practice phone on file for Dr. Fleming is (919) 784-3100.
What is Dr. Peter Simon Fleming's medical license number?
Dr. Fleming holds North Carolina license 2013-02318.
Which hospitals is Dr. Peter Simon Fleming affiliated with?
Dr. Fleming practices at UNC Health Rex in Raleigh, North Carolina.
What medical group is Dr. Peter Simon Fleming part of?
Dr. Fleming is linked to North Carolina Heart & Vascular Hospital.
Does Dr. Peter Simon Fleming accept Medicare?
Yes. CMS data shows Dr. Fleming billed Medicare for 647 services in 2024, and Dr. Fleming accepts Medicare assignment.
How many Medicare patients does Dr. Peter Simon Fleming see?
CMS counts 214 Medicare patients who saw Dr. Fleming in 2024, with an average age of 77.
What services does Dr. Peter Simon Fleming bill to Medicare?
In 2024, Dr. Fleming's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
Show 4 more questionsShow fewer questions
Where did Dr. Peter Simon Fleming go to medical school?
Dr. Fleming graduated from University of North Carolina at Chapel Hill School of Medicine in 2009.
What drugs does Dr. Peter Simon Fleming prescribe most?
In 2024 Medicare Part D data, Dr. Fleming's most prescribed drugs by claims were Amlodipine Besylate, Pantoprazole Sodium and Tamsulosin HCl.
Has Dr. Peter Simon Fleming received payments from drug or device companies?
CMS Open Payments shows $139 in general payments to Dr. Fleming from 6 companies from 2016 to 2017. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Peter Simon Fleming been practicing?
Dr. Fleming graduated from medical school in 2009, 17 years ago.
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