Mack Brown, CRNA
NPI 1043565385 · Certified Registered Nurse Anesthetist · Natchez, MS
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mack Brown, CRNA is a Certified Registered Nurse Anesthetist provider in Natchez, MS (NPI 1043565385).
Provider details
- NPI number
- 1043565385
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- No
- License
- R884141 (MS)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
40 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) |
|---|---|---|
| Injection of Local Anesthetic for Abdominal Wall Pain Control on Both Sides Using Imaging Guidance64488 | 14 | $64 |
| Anesthesia for Other Procedure on Skin of Arms, Legs, and Front Body00400 | 13 | $67 |
| Anesthesia for Access to Central Vein00532 | 13 | $79 |
Typical Medicare-allowed amounts for these services range $64–$79 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-07-23
- Last updated
- 2012-07-23
Frequently asked questions
- What is Mack Brown's NPI number?
- Mack Brown's National Provider Identifier (NPI) is 1043565385, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mack Brown's specialty?
- Mack Brown is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mack Brown located?
- Mack Brown's practice location on file with NPPES is 129 Jefferson Davis Blvd, Natchez, MS 39120-5103.
- What is Mack Brown's phone number?
- The practice phone number listed in the NPPES registry for Mack Brown is (601) 445-6200.
- Does Mack Brown accept Medicare?
- Mack Brown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mack Brown's NPI active?
- Yes — Mack Brown's NPI (1043565385) is active in the NPPES registry as of the last update on 2012-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.