Dr. Gregory C. Appert, MD

  • Raleigh, NC
  • Internist
NPI1174730436PAC ID8820141302
Medicare services, 2024
1,388
Medicare patients, 2024
232
Part D claims, 2024
3,544
Hospital affiliations
1
Industry payments
$120
Practice address
3900 Browning Pl Ste 101 Suite 101, Raleigh, NC 27609
Practice phone
Call (919) 781-9650
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Boylan Healthcare

Primary care practice · Raleigh, North Carolina

See all 9 affiliations

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Dr. Gregory C. Appert is an internist in Raleigh, North Carolina

Dr. Appert practices at Boylan Healthcare in Raleigh, North Carolina.

Dr. Appert's NPI, 1174730436, was assigned on May 17, 2007. Dr. Appert holds North Carolina license 2009-00514.

NPI and contact details
Medicare PAC ID
8820141302
NPI enumeration date
May 17, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(919) 781-9650
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
46
Medical school graduation
2006

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Gregory C. Appert practices at Boylan Healthcare in Raleigh, North Carolina

Dr. Appert's primary practice is Boylan Healthcare, at 3900 Browning Pl Ste 101 Suite 101, Raleigh, NC 27609. The practice phone is (919) 781-9650.

  • Boylan Healthcare
    3900 Browning Pl Ste 101 Suite 101, Raleigh, NC 27609Phone(919) 781-9650

Source: Dmand AI Affiliation Data

Dr. Gregory C. Appert is affiliated with 6 sites of care and 3 medical groups

Dr. Appert's primary practice is Boylan Healthcare in Raleigh, North Carolina. Dr. Appert is also affiliated with UNC Health Rex. The medical group on file is Boylan Healthcare. Dmand AI also links Dr. Appert to 2 more group practices and clinics, 2 medical groups, 1 home health agency and 1 skilled nursing facility, each named with a free account.

See all 9 affiliations for Dr. Appert

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Gregory C. Appert's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Appert practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Boylan HealthcareAvailable with a free account
+5 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gregory C. Appert is one of 3,705 internists in North Carolina

Internal medicine is Dr. Appert's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Appert is board certified in internal medicine by the American Board of Internal Medicine. Dr. Appert is licensed in North Carolina.

Specialties and state licenses

  • Internal medicine, North CarolinaPrimaryLicense 2009-00514 · taxonomy 207R00000X

Internists near Dr. Appert

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. Gregory C. Appert billed Medicare for 1,388 services in 2024

CMS data shows 1,388 Medicare services from Dr. Appert across 16 procedure codes in 2024, for 232 Medicare patients. Medicare paid $60,224 for them. Every service was in an office.

Medicare services, 20241,388
Medicare patients232
Paid by Medicare$60,224
Procedure codes16

Dr. Appert's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Lab and pathology
2023: 5252024: 57910%
Office and hospital visits
2023: 5142024: 4865%
Other services
2023: 462024: 221380%
Tests and treatments
2023: 682024: 5618%
Imaging
2023: 02024: 46

Dr. Appert compared with the North Carolina median for internists, 2024

  • Dr. Appert
  • North Carolina median
Medicare services
1,388vs 5212.7 times
Medicare patients
232vs 18525% above
Part D claims
3,107vs 27211.4 times

Medians across 3,695 internists in North Carolina with Dmand AI profiles that report each measure.

Dr. Appert'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 C. Appert treated 232 Medicare patients in 2024, average age 75

CMS counts 232 Medicare patients who saw Dr. Appert in 2024. The largest group is 65 to 74, with 123 patients. 69% of them have high blood pressure, and 69% have high cholesterol. Their average risk score is 0.97, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Appert's median patient age at 64, with 38% women.

Medicare patients, 2024232
Average age75
Average risk score0.97

Dr. Appert's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Appert's Medicare patients by sex, 2024

  • Women8436%
  • Men14864%

Chronic conditions among Dr. Appert's Medicare patients, 2024

  1. High blood pressure69%
  2. High cholesterol69%
  3. Arthritis37%
  4. Ischemic heart disease22%
  5. Cancer21%
  6. Diabetes21%
  7. Atrial fibrillation17%
  8. Mood disorders16%

Share of Medicare patients with each condition. A patient can have several.

Dr. Appert's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women38%
  • Men61%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Gregory C. Appert wrote 3,544 Medicare Part D claims in 2024

In 2024, Dr. Appert wrote 3,544 Medicare Part D claims for 404 patients. 89% of them were for generic drugs. CMS names the drug for 3,107 of them, across 61 drugs with 11 or more claims each, at $149,878 in total drug cost. In 2023, CMS named 2,503 claims across 59 drugs.

Part D claims, 20243,544
Drugs named by CMS61
Total drug cost$149,878
Part D patients404

Dr. Appert's Part D claims by kind of drug, 2024

  • Generic3,145 claims89%
  • Brand-name388 claims11%
  • Other11 claims0%

Dr. Appert'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. Appert's Part D claims, 2024

  • Antibiotics2%66 of 3,544 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: 2,5032024: 3,10724%

Drugs named by CMS: 61 in 2024, 59 in 2023.

See all prescribing by Dr. Appert

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. Gregory C. Appert takes part in Medicare

Dr. Appert 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. Gregory C. Appert received $120 in industry payments from 2017 to 2025

CMS Open Payments shows 5 general payments to Dr. Appert from 2 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 88% of the total. Boston Scientific Corporation paid the most, $90.

General payments to Dr. Appert by program year, 2017 to 2025

General payments to Dr. Appert by kind, 2017 to 2025

$120in total
  • Food and beverage$10688%
  • Education$1512%

Companies that paid Dr. Appert the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Appert

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Gregory C. Appert is board certified in internal medicine

  1. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Gregory C. Appert's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Gregory C. Appert

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 C. Appert's NPI number?

Dr. Gregory C. Appert's NPI number is 1174730436. It was assigned on May 17, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Gregory C. Appert?

Dr. Gregory C. Appert is an internist in Raleigh, North Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Gregory C. Appert practice?

Dr. Appert practices at 3900 Browning Pl Ste 101 Suite 101, Raleigh, NC 27609. Dr. Appert's primary practice is Boylan Healthcare in Raleigh, North Carolina. Dmand AI also links Dr. Appert to 2 group practices and clinics, 2 medical groups, 1 home health agency and 1 skilled nursing facility.

What is Dr. Gregory C. Appert's office phone number?

The practice phone on file for Dr. Appert is (919) 781-9650.

What is Dr. Gregory C. Appert's medical license number?

Dr. Appert holds North Carolina license 2009-00514.

Which hospitals is Dr. Gregory C. Appert affiliated with?

Dr. Appert is affiliated with UNC Health Rex.

What medical group is Dr. Gregory C. Appert part of?

Dr. Appert is linked to Boylan Healthcare. Dmand AI links Dr. Appert to 2 more medical groups.

Does Dr. Gregory C. Appert accept Medicare?

Yes. CMS data shows Dr. Appert billed Medicare for 1,388 services in 2024, and Dr. Appert accepts Medicare assignment.

How many Medicare patients does Dr. Gregory C. Appert see?

CMS counts 232 Medicare patients who saw Dr. Appert in 2024, with an average age of 75.

Is Dr. Gregory C. Appert board certified?

Yes. Dr. Appert is board certified in internal medicine by the American Board of Internal Medicine.

Show 4 more questionsShow fewer questions

What services does Dr. Gregory C. Appert bill to Medicare?

In 2024, Dr. Appert's most billed Medicare services were office visit, established patient (99214), lab and pathology test (80048) and medicare service (G0439).

What drugs does Dr. Gregory C. Appert prescribe most?

In 2024 Medicare Part D data, Dr. Appert's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.

Has Dr. Gregory C. Appert received payments from drug or device companies?

CMS Open Payments shows $120 in general payments to Dr. Appert from 2 companies from 2017 to 2025. The largest total came from Boston Scientific Corporation.

How long has Dr. Gregory C. Appert been practicing?

Dr. Appert graduated from medical school in 2006, 20 years ago.

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