Matthew Mcclanahan, M.D.
NPI 1609175579 · Internal Medicine Physician · Covington, LA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Mcclanahan, M.D. is a Internal Medicine Physician provider in Covington, LA (NPI 1609175579).
Provider details
- NPI number
- 1609175579
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,871 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 1,657 | $100 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 1,148 | $100 |
| Advance Care Planning, First 30 Minutes99497 | 189 | $76 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 159 | $74 |
| Advance Care Planning, First 30 Minutes99497 | 130 | $71 |
| 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 · 235 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,084 | 121 |
| Levothyroxine Sodium | 939 | 98 |
| Pantoprazole Sodium | 926 | 112 |
| Escitalopram Oxalate | 753 | 85 |
| Apixabanbrand: Eliquis | 747 | 63 |
| Mirtazapine | 689 | 75 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$42 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
- 2011-03-17
- Last updated
- 2018-10-08
Frequently asked questions
- What is Matthew Mcclanahan's NPI number?
- Matthew Mcclanahan's National Provider Identifier (NPI) is 1609175579, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Mcclanahan's specialty?
- Matthew Mcclanahan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Mcclanahan located?
- Matthew Mcclanahan's practice location on file with NPPES is 1202 S Tyler St, Covington, LA 70433-2330.
- What is Matthew Mcclanahan's phone number?
- The practice phone number listed in the NPPES registry for Matthew Mcclanahan is (985) 898-4000.
- Does Matthew Mcclanahan accept Medicare?
- Matthew Mcclanahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Mcclanahan's NPI active?
- Yes — Matthew Mcclanahan's NPI (1609175579) is active in the NPPES registry as of the last update on 2018-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.