Dwynn Greenfield, DO
NPI 1588716914 · General Practice Physician · Sparta, NC
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dwynn Greenfield, DO is a General Practice Physician provider in Sparta, NC (NPI 1588716914).
Provider details
- NPI number
- 1588716914
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 201200080 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 160 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 369 | 107 |
| Gabapentin | 306 | 77 |
| Omeprazole | 285 | 92 |
| Alprazolam | 282 | 59 |
| Atorvastatin Calcium | 262 | 89 |
| Losartan Potassium | 250 | 79 |
| Amlodipine Besylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 across 1 record (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
Registry dates
- Enumerated
- 2007-01-17
- Last updated
- 2016-09-27
Frequently asked questions
- What is Dwynn Greenfield's NPI number?
- Dwynn Greenfield's National Provider Identifier (NPI) is 1588716914, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dwynn Greenfield's specialty?
- Dwynn Greenfield is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Dwynn Greenfield located?
- Dwynn Greenfield's practice location on file with NPPES is 233 Doctors St, Sparta, NC 28675-9247.
- What is Dwynn Greenfield's phone number?
- The practice phone number listed in the NPPES registry for Dwynn Greenfield is (336) 372-5511.
- Does Dwynn Greenfield accept Medicare?
- Dwynn Greenfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dwynn Greenfield's NPI active?
- Yes — Dwynn Greenfield's NPI (1588716914) is active in the NPPES registry as of the last update on 2016-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.