Mark Callender, P.A.
NPI 1942406616 · Physician Assistant · Slidell, LA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Callender, P.A. is a Physician Assistant provider in Slidell, LA (NPI 1942406616).
Provider details
- NPI number
- 1942406616
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Male
- Sole proprietor
- No
- License
- P.A.A10540 (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 tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
317 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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 194 | $5 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 52 | $70 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 32 | $42 |
| Biopsy of Related Skin Growth, First Growth11102 | 21 | $73 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 18 | $87 |
Typical Medicare-allowed amounts for these services range $5–$87 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 73 | 51 |
| Ketoconazole | 53 | 28 |
| Hydrocortisone | 41 | 24 |
| Clobetasol Propionate | 23 | 11 |
| Ciclopirox Olaminebrand: Ciclopirox | 20 | 12 |
| Mupirocin | 19 | 12 |
| Fluorouracil | 18 | 14 |
| Clindamycin Phosphate | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,020 across 50 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
- 2007-06-21
- Last updated
- 2015-10-15
Frequently asked questions
- What is Mark Callender's NPI number?
- Mark Callender's National Provider Identifier (NPI) is 1942406616, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Callender's specialty?
- Mark Callender is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Callender located?
- Mark Callender's practice location on file with NPPES is 2104 Gause Blvd W, Slidell, LA 70460-4130.
- What is Mark Callender's phone number?
- The practice phone number listed in the NPPES registry for Mark Callender is (985) 643-4575.
- Does Mark Callender accept Medicare?
- Mark Callender is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Callender's NPI active?
- Yes — Mark Callender's NPI (1942406616) is active in the NPPES registry as of the last update on 2015-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.