Shannon Marie Oyster, CRNA
Certified Registered Nurse Anesthetist · Mansfield, OH
Shannon Marie Oyster, CRNA is a certified registered nurse anesthetist with a practice address in Mansfield, Ohio, and NPI 1023593787, issued on Sep 28, 2018. Check the license (Ohio APRN.CRNA.019771, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Shannon Marie Oyster
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License numbers
- APRN.CRNA.019771 OH
RN.344943 OH
Self-reported in NPPES; status is on the state search - Practice location
- 799 Lexington Ave, Mansfield, OH 44907
- Phone
- (419) 756-5133
- Enumerated
- Sep 28, 2018
- Record last updated
- Jan 15, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20181031001992); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 799 Lexington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emile Abouhassan, CRNACertified Registered Nurse Anesthetist1962707323
- Joel BakerAnesthesiologist Assistant1831546142
- Esther Baumann, CRNACertified Registered Nurse Anesthetist1013903319
- Garrett BennettCertified Registered Nurse Anesthetist1326768300
- Bethany Biddle, CRNACertified Registered Nurse Anesthetist1134424591
- Nicholas Brickner, M.D.Anesthesiology Physician1508270323
Verify Shannon Marie Oyster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this profession
Search for license APRN.CRNA.019771Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 37.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $14.50
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 24,076 providers of this specialty with any payment received $135.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Anesthesia Associates OF Mansfield, IncMansfield, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Certified Registered Nurse Anesthetist providers in Ohio
There are 3,606 certified registered nurse anesthetist records in Ohio.
Other certified registered nurse anesthetist records in Ohio
- Amy Abernathy, CRNABarberton, OH1164732582
- Jeffery Abood, CRNACuyahoga Falls, OH1538247770
- Emile Abouhassan, CRNAMansfield, OH1962707323
- Asmeret AbrahaCincinnati, OH1396594123
- Julia Abraham, CRNAWarren, OH1972524254
- Caitlin Abramovich, CRNAAkron, OH1760631824
- Michael Acheson, RNCincinnati, OH1164418877
- Carol Ackerman, CRNAColumbus, OH1952347601
- Vivian Adamowicz, CRNASaint Clairsville, OH1427042704
- Courtney AdamsNewark, OH1912521451
Common questions
What is Shannon Marie Oyster, CRNA's NPI number?
Shannon Marie Oyster, CRNA's National Provider Identifier (NPI) is 1023593787, issued on Sep 28, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Shannon Marie Oyster, CRNA located?
The NPPES record lists a practice address at 799 Lexington Ave, Mansfield, OH, 44907. Phone: (419) 756-5133. Providers update this record themselves, so call before visiting.
How can I verify Shannon Marie Oyster, CRNA's license?
NPPES lists Ohio license number APRN.CRNA.019771, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.
What is Shannon Marie Oyster, CRNA's MIPS final score?
The 2023 MIPS final score is 37.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.