Mark Cotter, MD
NPI 1891139143 · Family Medicine Physician · Winnsboro, LA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Cotter, MD is a Family Medicine Physician provider in Winnsboro, LA (NPI 1891139143).
Provider details
- NPI number
- 1891139143
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 303027 (LA)
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
13 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
608 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 220 | $74 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 157 | $162 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 138 | $76 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 46 | $47 |
| Advance Care Planning, First 30 Minutes99497 | 22 | $70 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 67 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 145 | 12 |
| Nifedipinebrand: Nifedipine Er | 88 | 28 |
| Atorvastatin Calcium | 85 | 14 |
| Levothyroxine Sodium | 75 | 12 |
| Potassium Chloride | 66 | 11 |
| Metoprolol Succinate | 62 | 20 |
| Metoprolol Tartrate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-04-17
- Last updated
- 2016-09-14
Frequently asked questions
- What is Mark Cotter's NPI number?
- Mark Cotter's National Provider Identifier (NPI) is 1891139143, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Cotter's specialty?
- Mark Cotter is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Cotter located?
- Mark Cotter's practice location on file with NPPES is 2106 Loop Rd, Winnsboro, LA 71295-3344.
- What is Mark Cotter's phone number?
- The practice phone number listed in the NPPES registry for Mark Cotter is (318) 412-5265.
- Does Mark Cotter accept Medicare?
- Mark Cotter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Cotter's NPI active?
- Yes — Mark Cotter's NPI (1891139143) is active in the NPPES registry as of the last update on 2016-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.