Dana Nairn, MD
NPI 1801843529 · Internal Medicine Physician · Columbia, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dana Nairn, MD is a Internal Medicine Physician provider in Columbia, SC (NPI 1801843529).
Provider details
- NPI number
- 1801843529
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 021212 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,165 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 273 | $9 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 229 | $168 |
| 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 | 88 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 84 | $117 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 61 | $13 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 54 | 14 |
| Amlodipine Besylate | 43 | — |
| Carvedilol | 38 | — |
| Liothyronine Sodium | 34 | — |
| Rosuvastatin Calcium | 34 | 13 |
| Valsartan | 31 | 12 |
| Simvastatin | 28 | — |
| Clonazepam |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$187 across 9 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
Additional practice locations (1)
- 7430 College StIrmo, SC 29063-2903Phone: (839) 200-7810Fax: (803) 891-7085
Registry dates
- Enumerated
- 2006-05-28
- Last updated
- 2022-03-30
- Certified
- 2022-03-30
Frequently asked questions
- What is Dana Nairn's NPI number?
- Dana Nairn's National Provider Identifier (NPI) is 1801843529, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dana Nairn's specialty?
- Dana Nairn is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dana Nairn located?
- Dana Nairn's practice location on file with NPPES is 1931 Bull St, Columbia, SC 29201-2560.
- What is Dana Nairn's phone number?
- The practice phone number listed in the NPPES registry for Dana Nairn is (839) 200-7822.
- Does Dana Nairn accept Medicare?
- Dana Nairn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dana Nairn's NPI active?
- Yes — Dana Nairn's NPI (1801843529) is active in the NPPES registry as of the last update on 2022-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.