Mason Cook
NPI 1144989641 · Physician Assistant · Slidell, LA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mason Cook is a Physician Assistant provider in Slidell, LA (NPI 1144989641).
Provider details
- NPI number
- 1144989641
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 330167 (LA)
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
4 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
291 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 150 | $54 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 141 | $78 |
Typical Medicare-allowed amounts for these services range $54–$78 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 106 | 93 |
| Tizanidine Hcl | 55 | 46 |
| Fluticasone Propionate | 53 | 48 |
| Doxycycline Monohydrate | 48 | 46 |
| Amlodipine Besylate | 45 | 25 |
| Gabapentin | 34 | — |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 33 | 30 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-12-12
- Last updated
- 2022-03-31
- Certified
- 2022-03-31
Frequently asked questions
- What is Mason Cook's NPI number?
- Mason Cook's National Provider Identifier (NPI) is 1144989641, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mason Cook's specialty?
- Mason Cook is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mason Cook located?
- Mason Cook's practice location on file with NPPES is 100 Medical Center Dr, Slidell, LA 70461-5520.
- What is Mason Cook's phone number?
- The practice phone number listed in the NPPES registry for Mason Cook is (985) 649-7070.
- Does Mason Cook accept Medicare?
- Mason Cook is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mason Cook's NPI active?
- Yes — Mason Cook's NPI (1144989641) is active in the NPPES registry as of the last update on 2022-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.