Deidre Toomer-Clowney, MD
NPI 1366530735 · Internal Medicine Physician · Columbia, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Deidre Toomer-Clowney, MD is a Internal Medicine Physician provider in Columbia, SC (NPI 1366530735).
Provider details
- NPI number
- 1366530735
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 14048 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
624 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 242 | $169 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 109 | $44 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 76 | $120 |
| Manual Urinalysis Test With Examination Using Microscope, Automated81001 | 47 | $3 |
| Blood Glucose (sugar) Level82947 | 42 | $4 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 25 | $17 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tirzepatidebrand: Mounjaro | 65 | 14 |
| Fluconazole | 48 | 20 |
| Prednisone | 39 | 19 |
| Pravastatin Sodium | 37 | 11 |
| Allopurinol | 28 | — |
| Amlodipine Besylate | 25 | — |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 22 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$39 across 2 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
Registry dates
- Enumerated
- 2006-10-11
- Last updated
- 2008-01-15
Frequently asked questions
- What is Deidre Toomer-Clowney's NPI number?
- Deidre Toomer-Clowney's National Provider Identifier (NPI) is 1366530735, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deidre Toomer-Clowney's specialty?
- Deidre Toomer-Clowney is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Deidre Toomer-Clowney located?
- Deidre Toomer-Clowney's practice location on file with NPPES is 2719 Middleburg Dr, Columbia, SC 29204.
- What is Deidre Toomer-Clowney's phone number?
- The practice phone number listed in the NPPES registry for Deidre Toomer-Clowney is (803) 256-1111.
- Does Deidre Toomer-Clowney accept Medicare?
- Deidre Toomer-Clowney is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Deidre Toomer-Clowney's NPI active?
- Yes — Deidre Toomer-Clowney's NPI (1366530735) is active in the NPPES registry as of the last update on 2008-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.