Gregory Knoll, MD
NPI 1477849446 · Orthopaedic Surgery Physician · Cary, NC
Enrolled with Medicare as Practitioner - Plastic and Reconstructive Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Knoll, MD is a Orthopaedic Surgery Physician provider in Cary, NC (NPI 1477849446).
Provider details
- NPI number
- 1477849446
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301098475 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
163 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 57 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 49 | $85 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 44 | $156 |
| Injection Into Tendon Or Ligament20550 | 13 | $52 |
Typical Medicare-allowed amounts for these services range $52–$156 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-06-28
- Last updated
- 2022-10-13
- Certified
- 2022-10-13
Frequently asked questions
- What is Gregory Knoll's NPI number?
- Gregory Knoll's National Provider Identifier (NPI) is 1477849446, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Knoll's specialty?
- Gregory Knoll is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Knoll located?
- Gregory Knoll's practice location on file with NPPES is 6715 Mccrimmon Pkwy Ste 205a, Cary, NC 27519-1916.
- What is Gregory Knoll's phone number?
- The practice phone number listed in the NPPES registry for Gregory Knoll is (984) 974-5700.
- Does Gregory Knoll accept Medicare?
- Gregory Knoll is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Knoll's NPI active?
- Yes — Gregory Knoll's NPI (1477849446) is active in the NPPES registry as of the last update on 2022-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.