Maria B. Dean, CRNA
NPI 1447253182ActiveIndividual· Nurse Anesthetist, Certified Registered· Parker, CO
Nurse Anesthetist, Certified Registered (CRNA) with Guardian Anesthesia Services, Inc, practicing in Parker, Colorado. Medicare paid $15,392 for services to 131 patients in 2024. Merck Sharp & Dohme LLC reported $16.25 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1447253182 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | May 26, 2005 |
| Last updated in NPPES | Jan 5, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 5895 | CO |
| Nurse Anesthetist, Certified Registered | 367500000X | 188011 | CO |
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) (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 131 |
|---|---|
| Services billed | 135 across 21 procedure codes |
| Paid by Medicare | $15,392 |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Guardian Anesthesia Services, IncParker, CO · 7 clinicians
Industry payments (Open Payments)
- 2025$16.25 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $16.25 | 1 |
What the 2025 payments were for
- Food and Beverage$16.25 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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