Ryan Abraham, CRNA
NPI 1639794324ActiveIndividual· Nurse Anesthetist, Certified Registered· Tucson, AZ
Nurse Anesthetist, Certified Registered (CRNA) with Hattiesburg Clinic PA and 4 other groups, practicing in Tucson, Arizona. Medicare paid $3,827 for services to 46 patients in 2024. Merck Sharp & Dohme LLC was the largest of 2 companies reporting payments in 2025, $61.96 in all, mostly food and beverage. Lists Flowers Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1639794324 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | Jun 9, 2020 |
| Last updated in NPPES | Mar 17, 2026 |
| Certified by provider | Mar 17, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 901636 | MS |
| Nurse Anesthetist, Certified Registered | 367500000X | 336781 | AZ |
| Registered Nurse, Critical Care Medicine | 163WC0200X | RN9309082 | FL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Certified Registered Nurse Anesthetist (CRNA) (AL); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (AZ); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (MS); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (NM); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 46 |
|---|---|
| Services billed | 49 across 18 procedure codes |
| Paid by Medicare | $3,827 |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical groups
- Hattiesburg Clinic PAHattiesburg, MS · 537 clinicians
- Main Street Anesthesia of New Mexico, LLCRio Rancho, NM · 236 clinicians
- USA Health Anesthesia Billing Services LLCMobile, AL · 157 clinicians
- Las Cruces Hb Medical Services LLCLas Cruces, NM · 157 clinicians
- Flowers Hb Medical Services LLCDothan, AL · 145 clinicians
Hospital affiliations
- Flowers HospitalDothan, AL
- Memorial Medical CenterLas Cruces, NM
- Mountain View Regional Medical CenterLas Cruces, NM
- USA Health University HospitalMobile, AL
Industry payments (Open Payments)
- 2025$61.96 · 3 payments from 2 companies
- 2024$62.71 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $43.02 | 2 |
| Heron Therapeutics, Inc. | $18.94 | 1 |
What the 2025 payments were for
- Food and Beverage$61.96 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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