Alexandra Witherspoon, MD
NPI 1871755678 · Family Medicine Physician · Columbia, SC
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexandra Witherspoon, MD is a Family Medicine Physician provider in Columbia, SC (NPI 1871755678).
Provider details
- NPI number
- 1871755678
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 31107 (SC)
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
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
477 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 | 333 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 85 | $88 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 45 | $9 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 14 | $14 |
Typical Medicare-allowed amounts for these services range $9–$123 (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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 76 | 75 |
| Prednisone | 70 | 69 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 33 | 33 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 29 | 29 |
| Apixabanbrand: Eliquis | 23 | — |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 22 | 21 |
Practice location
Mailing address
Additional practice locations (2)
- 300 Rice Meadow WayColumbia, SC 29229Phone: (803) 419-6334Fax: (803) 788-6574
- 2836 Augusta RdWest Columbia, SC 29170-3323Phone: (803) 939-0545Fax: (803) 939-0583
Registry dates
- Enumerated
- 2008-07-02
- Last updated
- 2024-11-03
- Certified
- 2024-11-03
Frequently asked questions
- What is Alexandra Witherspoon's NPI number?
- Alexandra Witherspoon's National Provider Identifier (NPI) is 1871755678, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexandra Witherspoon's specialty?
- Alexandra Witherspoon is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alexandra Witherspoon located?
- Alexandra Witherspoon's practice location on file with NPPES is 3016 Longtown Commons Dr Ste 100, Columbia, SC 29229-7862.
- What is Alexandra Witherspoon's phone number?
- The practice phone number listed in the NPPES registry for Alexandra Witherspoon is (803) 314-0500.
- Does Alexandra Witherspoon accept Medicare?
- Alexandra Witherspoon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexandra Witherspoon's NPI active?
- Yes — Alexandra Witherspoon's NPI (1871755678) is active in the NPPES registry as of the last update on 2024-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.