Charles Gainor, MD
NPI 1881648186 · Family Medicine Physician · Winston Salem, NC
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Gainor, MD is a Family Medicine Physician provider in Winston Salem, NC (NPI 1881648186).
Provider details
- NPI number
- 1881648186
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 29268 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
561 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 241 | $87 |
| Testing for Presence of Drug, By Chemistry Analyzers80307 | 146 | $58 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 105 | $116 |
| Drug Test(s), Definitive, Utilizing (1) Drug Identification Methods Able to Identify Individual Drugs and Distinguish Between Structural Isomers (but Not Necessarily Stereoisomers), Including, But Not Limited to Gc/Ms (any Type, Single Or Tandem) and Lc/MsG0480 | 69 | $104 |
Typical Medicare-allowed amounts for these services range $58–$116 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 1,429 | 272 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 462 | 107 |
| Gabapentin | 440 | 87 |
| Cyclobenzaprine Hcl | 342 | 84 |
| Pregabalin | 299 | 60 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 283 | 80 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$891 across 62 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 1908 Caudle Dr Ste 105Mount Airy, NC 27030-4322Phone: (336) 883-0029Fax: (336) 883-0867
- 1103 W D StNorth Wilkesboro, NC 28659-4141Phone: (336) 883-0029Fax: (336) 883-0867
Registry dates
- Enumerated
- 2006-05-20
- Last updated
- 2024-07-19
- Certified
- 2024-07-19
Frequently asked questions
- What is Charles Gainor's NPI number?
- Charles Gainor's National Provider Identifier (NPI) is 1881648186, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Gainor's specialty?
- Charles Gainor is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Gainor located?
- Charles Gainor's practice location on file with NPPES is 5093 University Pkwy, Winston Salem, NC 27106-6085.
- What is Charles Gainor's phone number?
- The practice phone number listed in the NPPES registry for Charles Gainor is (336) 883-0029.
- Does Charles Gainor accept Medicare?
- Charles Gainor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Gainor's NPI active?
- Yes — Charles Gainor's NPI (1881648186) is active in the NPPES registry as of the last update on 2024-07-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.