Jennifer Day, MD
NPI 1427038488 · Internal Medicine Physician · Winston Salem, NC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Day, MD is a Internal Medicine Physician provider in Winston Salem, NC (NPI 1427038488).
Provider details
- NPI number
- 1427038488
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 9400232 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
709 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 | 260 | $90 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 163 | $121 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 159 | $15 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 93 | $61 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 22 | $33 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 90 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 727 | 207 |
| Losartan Potassium | 457 | 121 |
| Amlodipine Besylate | 450 | 114 |
| Levothyroxine Sodium | 421 | 106 |
| Metoprolol Succinate | 407 | 113 |
| Hydrochlorothiazide | 274 | 74 |
| Simvastatin | 265 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-18
- Last updated
- 2020-10-27
- Certified
- 2020-10-27
Frequently asked questions
- What is Jennifer Day's NPI number?
- Jennifer Day's National Provider Identifier (NPI) is 1427038488, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Day's specialty?
- Jennifer Day is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Day located?
- Jennifer Day's practice location on file with NPPES is 1381 Westgate Center Dr, Winston Salem, NC 27103-2934.
- What is Jennifer Day's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Day is (336) 718-0100.
- Does Jennifer Day accept Medicare?
- Jennifer Day is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Day's NPI active?
- Yes — Jennifer Day's NPI (1427038488) is active in the NPPES registry as of the last update on 2020-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.