NPPES file of Aug 9, 2026

Gregory Michael Knoll, MD

Orthopaedic Surgery Physician · Cary, NC

Gregory Michael Knoll, MD is an orthopaedic surgery physician with a practice address in Cary, North Carolina, and NPI 1477849446, issued on Jun 28, 2011. Check the license (North Carolina 2022-02702, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477849446
Name
Gregory Michael Knoll
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License numbers
2022-02702 NC
4301098475 MI
Self-reported in NPPES; status is on the state search
Practice location
6715 Mccrimmon Pkwy Ste 205A, Cary, NC 27519
Phone
(984) 974-5700
Enumerated
Jun 28, 2011
Record last updated
Oct 13, 2022
Medicare enrollment
Enrolled (PECOS I20221027002801); accepts Medicare assignment
Medical or professional school
Wake Forest University School Of Medicine, 2011
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6715 Mccrimmon Pkwy Ste 205A

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Arvind Narayanan, MDOrthopaedic Surgery Physician1104272285
  2. Samantha Tayne, MD, MBAOrthopaedic Surgery Physician1578959490

Verify Gregory Michael Knoll in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 2022-02702
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the North Carolina license search

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96% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

14 Medicare Part D claims, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D.

  1. Gregory Knoll14
  2. Specialty average346

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 one group practice

  1. University OF North Carolina AT Chapel HillCary, NC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gregory Michael Knoll among 977 orthopaedic surgery physician records in North Carolina

Gregory Michael Knoll, MD is one of 977 orthopaedic surgery physician records with a practice address in North Carolina. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 70% of them.

  • NPI issued2011 · 70% of these records are older, 27% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2011 · median 2003 among the 677 with a school on file
  • Record last updated2022 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in North Carolina

There are 977 orthopaedic surgery physician records in North Carolina.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Arvind Narayanan, MDCary, NC 275191104272285
  2. Conor O'Neill, MDCary, NC 275191407347024
  3. Samantha Tayne, MD, MBACary, NC 275191578959490
  4. Robert Tisherman, MDCary, NC 275191417477423
  5. Richard Alioto, M.D.Clayton, NC 275201780771220
  6. Adam Almaguer, MDCary, NC 275181265895676
  7. William Andersen, M.D.Cary, NC 275181700850195
  8. Edouard Armour, M.D.Cary, NC 275181902844665

Common questions

What is Gregory Michael Knoll, MD's NPI number?

Gregory Michael Knoll, MD's National Provider Identifier (NPI) is 1477849446, issued on Jun 28, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Michael Knoll, MD located?

The NPPES record lists a practice address at 6715 Mccrimmon Pkwy Ste 205A, Cary, NC, 27519. Phone: (984) 974-5700. Providers update this record themselves, so call before visiting.

How can I verify Gregory Michael Knoll, MD's license?

NPPES lists North Carolina license number 2022-02702, 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 Michael Knoll, MD prescribe under Medicare Part D?

In 2024, Gregory Michael Knoll, MD had 14 Medicare Part D claims; the average among orthopaedic surgery physician prescribers was 346. 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.