Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
MARK CHARLES O'BRIEN
Active Sole ProprietorCertified Nurse Anesthetist (CRNA) · LEWISTON, ME
Registration Details
- NPI Number
- 1174243976
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Aug 31, 2022 (3.6593785866226 yrs)
- Last Updated
- Oct 29, 2025
- License
-
RNA253086 (ME)
- Sole Proprietor
- Yes
Practice Information
- Address
-
300 MAIN STLEWISTON, ME, 042407041Browse ME providers · Browse ZIP 04240
- Phone
- 2077950111
- Primary Specialty
-
Certified Nurse Anesthetist (CRNA)
367500000X
Other Certified Nurse Anesthetist (CRNA) Providers in LEWISTON, ME
| Name | Credential | NPI |
|---|---|---|
| MR. IBRA L RIPLEY III | CRNA, MSNA | 1770588659 |
| PATRICIA J GROVE | RN | 1073599718 |
| STEVEN L BENDER | CRNA | 1851348023 |
| MR. SERGEI PAVLOV | CRNA | 1649215187 |
| DEBRA K BUEGE | CRNA | 1255360251 |
| DEBRA KOCH | CRNA | 1750301370 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.