Mark A. Isaacs, CRNA
NPI 1013092253ActiveIndividual· Nurse Anesthetist, Certified Registered· Birmingham, AL
Nurse Anesthetist, Certified Registered (CRNA) with Marshall Medical Center South and 1 other group, practicing in Birmingham, Alabama. Medicare paid $7,182 for services to 93 patients in 2024. Merck Sharp & Dohme LLC reported $17.05 in payments in 2025, mostly food and beverage. Lists Marshall Medical Centers and 1 other hospital as hospital affiliations.
Overview
| NPI | 1013092253 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | Oct 26, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 1-074501 | AL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Certified Registered Nurse Anesthetist (CRNA) (AL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 93 |
|---|---|
| Services billed | 97 across 34 procedure codes |
| Paid by Medicare | $7,182 |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical groups
- Marshall Medical Center SouthGuntersville, AL · 43 clinicians
- Riverview Anesthesia Consultants LLCGadsden, AL · 17 clinicians
Hospital affiliations
- Marshall Medical CentersBoaz, AL
- Riverview Regional Medical CenterGadsden, AL
Industry payments (Open Payments)
- 2025$17.05 · 1 payment from 1 company
- 2024$16.04 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $17.05 | 1 |
What the 2025 payments were for
- Food and Beverage$17.05 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 845 nurse anesthetists in Birmingham · All nurse anesthetists in Alabama