Cornelius Mayfield, MD
NPI 1184687972 · Internal Medicine Physician · Baton Rouge, LA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cornelius Mayfield, MD is a Internal Medicine Physician provider in Baton Rouge, LA (NPI 1184687972).
Provider details
- NPI number
- 1184687972
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 12328R (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
20 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
526 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 Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 257 | $68 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 97 | $89 |
| Nursing Facility Discharge Management, More Than 30 Minutes99316 | 71 | $120 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 56 | $167 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 27 | $140 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-11
- Last updated
- 2007-09-17
Frequently asked questions
- What is Cornelius Mayfield's NPI number?
- Cornelius Mayfield's National Provider Identifier (NPI) is 1184687972, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cornelius Mayfield's specialty?
- Cornelius Mayfield is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cornelius Mayfield located?
- Cornelius Mayfield's practice location on file with NPPES is 7777 Hennessy Blvd, Baton Rouge, LA 70808-4300.
- What is Cornelius Mayfield's phone number?
- The practice phone number listed in the NPPES registry for Cornelius Mayfield is (225) 214-4300.
- Does Cornelius Mayfield accept Medicare?
- Cornelius Mayfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cornelius Mayfield's NPI active?
- Yes — Cornelius Mayfield's NPI (1184687972) is active in the NPPES registry as of the last update on 2007-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.