Karen Alexander, MD
NPI 1265490494 · Specialist · Durham, NC
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Alexander, MD is a Specialist provider in Durham, NC (NPI 1265490494).
Provider details
- NPI number
- 1265490494
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 9600438 (NC)
Specialties & taxonomies
Other Service Providers
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
339 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 | 317 | $120 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 22 | $156 |
Typical Medicare-allowed amounts for these services range $120–$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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 177 | 72 |
| Metoprolol Succinate | 167 | 68 |
| Losartan Potassium | 149 | 50 |
| Rosuvastatin Calcium | 135 | 53 |
| Amlodipine Besylate | 126 | 41 |
| Furosemide | 98 | 36 |
| Apixabanbrand: Eliquis |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-04
- Last updated
- 2017-01-04
Frequently asked questions
- What is Karen Alexander's NPI number?
- Karen Alexander's National Provider Identifier (NPI) is 1265490494, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Alexander's specialty?
- Karen Alexander is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Karen Alexander located?
- Karen Alexander's practice location on file with NPPES is 2400 Pratt St, Durham, NC 27705-3976.
- What is Karen Alexander's phone number?
- The practice phone number listed in the NPPES registry for Karen Alexander is (919) 668-8871.
- Does Karen Alexander accept Medicare?
- Karen Alexander is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Alexander's NPI active?
- Yes — Karen Alexander's NPI (1265490494) is active in the NPPES registry as of the last update on 2017-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.