Gregory C. Appert, M.D.
Internal Medicine Physician · Raleigh, NC
Gregory C. Appert, M.D. is an internal medicine physician with a practice address in Raleigh, North Carolina, and NPI 1174730436, issued on May 17, 2007. Check the license (North Carolina 2009-00514, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregory C. Appert
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2009-00514 NC
Self-reported in NPPES; status is on the state search - Practice location
- 3900 Browning Place, Raleigh, NC 27609
- Phone
- (919) 781-9650
- Enumerated
- May 17, 2007
- Record last updated
- May 5, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (919) 781-3572
- Medicaid ID
- 5918825 NC
- Medicare enrollment
- Enrolled (PECOS I20090730000508); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,056 in North Carolina → Look up another NPI →
Also registered at 3900 Browning Place
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory C. Appert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 2009-00514Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average internal medicine physician in 2024
3,544 Medicare Part D claims for 404 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Atorvastatin Calcium252 claims
- Levothyroxine Sodium208 claims
- Amlodipine Besylate191 claims
- Simvastatin188 claims
- Lisinopril185 claims
- Losartan Potassium176 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Legacy Healthcare Services IncDurham, NC
- Unc Physicians Network Group Practices LLCRaleigh, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory C. Appert among 4,056 internal medicine physician records in North Carolina
Gregory C. Appert, M.D. is one of 4,056 internal medicine physician records with a practice address in North Carolina. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 43% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2006 · median 2004 among the 2,706 with a school on file
- Record last updated2021 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
315 internal medicine physician records list a practice address in Raleigh
They are 315 of the 16,309 NPPES records with a practice address in Raleigh, and 4,056 internal medicine physician records in North Carolina.
All 4,056 in North Carolina → Every provider in Raleigh → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Benu Chatterjee, M.D.Raleigh, NC 276091700877099
- Laxmikant Chudasama, M.D.Raleigh, NC 276091528024528
- Tina Harris, MDRaleigh, NC 276091023049699
- Kenneth Holt, M.D.Raleigh, NC 276091356304588
- Michael Karam, M.D.Raleigh, NC 276091639145907
Common questions
What is Gregory C. Appert, M.D.'s NPI number?
Gregory C. Appert, M.D.'s National Provider Identifier (NPI) is 1174730436, issued on May 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory C. Appert, M.D. located?
The NPPES record lists a practice address at 3900 Browning Place, Raleigh, NC, 27609. Phone: (919) 781-9650. Providers update this record themselves, so call before visiting.
How can I verify Gregory C. Appert, M.D.'s license?
NPPES lists North Carolina license number 2009-00514, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory C. Appert, M.D. prescribe under Medicare Part D?
In 2024, Gregory C. Appert, M.D. had 3,544 Medicare Part D claims for 404 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.