Andrew Nielsen, M.D.
NPI 1093155913 · Internal Medicine Physician · Columbia, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Nielsen, M.D. is a Internal Medicine Physician provider in Columbia, TN (NPI 1093155913).
Provider details
- NPI number
- 1093155913
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 57809 (TN)
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 tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 196 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 750 | 222 |
| Levothyroxine Sodium | 528 | 140 |
| Gabapentin | 476 | 94 |
| Losartan Potassium | 467 | 130 |
| Amlodipine Besylate | 460 | 136 |
| Lisinopril | 447 | 124 |
| Pantoprazole Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-06-25
- Last updated
- 2019-02-07
Frequently asked questions
- What is Andrew Nielsen's NPI number?
- Andrew Nielsen's National Provider Identifier (NPI) is 1093155913, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Nielsen's specialty?
- Andrew Nielsen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Nielsen located?
- Andrew Nielsen's practice location on file with NPPES is 854 W James M Campbell Blvd Ste 403, Columbia, TN 38401-4659.
- What is Andrew Nielsen's phone number?
- The practice phone number listed in the NPPES registry for Andrew Nielsen is (931) 380-0075.
- Does Andrew Nielsen accept Medicare?
- Andrew Nielsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Nielsen's NPI active?
- Yes — Andrew Nielsen's NPI (1093155913) is active in the NPPES registry as of the last update on 2019-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.