SEAN O'BRIEN
NPI 1003271347
Nurse Anesthetist, Certified Registered in Cleveland, OH
About Sean O'brien NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SEAN O'BRIEN (NPI 1003271347) is an individual nurse anesthetist, certified registered in Cleveland, Ohio, licensed in Ohio (RN.356463) and active in the NPI registry since December 2015. He is affiliated with Lake Health and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Sean O'brien is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
10Medicare enrollment records show Sean O'brien reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cleveland, OH 44106
- Reassigned Medicare billing, Ohio enrollment
- 1,437 clinicians in this Medicare group
Cleveland, OH 44106
- Reassigned Medicare billing, Ohio enrollment
- 3,958 clinicians in this Medicare group
North Ridgeville, OH 44039
- Reassigned Medicare billing, Ohio enrollment
- 27 clinicians in this Medicare group
Chardon, OH 44024
- Reassigned Medicare billing, Ohio enrollment
- 40 clinicians in this Medicare group
Geneva, OH 44041
- Reassigned Medicare billing, Ohio enrollment
- 79 clinicians in this Medicare group
Canton, OH 44708
- Reassigned Medicare billing, Ohio enrollment
- 554 clinicians in this Medicare group
Willard, OH 44890
- Reassigned Medicare billing, Ohio enrollment
- 30 clinicians in this Medicare group
Circleville, OH 43113
- Reassigned Medicare billing, Ohio enrollment
- 365 clinicians in this Medicare group
Beavercreek, OH 45440
- Reassigned Medicare billing, Ohio enrollment
- 78 clinicians in this Medicare group
Batavia, OH 45103
- Reassigned Medicare billing, Ohio enrollment
- Medicare enrollment name: Southwest Ohio Anesthesia Consultants LLC
- 830 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lake Health
Acute Care Hospitals · Concord, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 44195 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CLEVELAND, OH 44195
CLEVELAND, OH 44195
CLEVELAND, OH 44195
CLEVELAND, OH 44195
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sean O'brien's NPI number?
The NPI number for Sean O'brien is 1003271347. It was assigned to this individual provider in the NPPES registry on December 30, 2015.
Where is Sean O'brien located?
Sean O'brien practices at 9500 Euclid Ave, Cleveland, OH 44195. The listed phone number is (216) 444-6550.
What is Sean O'brien's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Sean O'brien enrolled in Medicare?
Yes. Sean O'brien is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Sean O'brien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sean O'brien reassigns Medicare benefits to 10 organizations: University Primary Care Practices Inc (Cleveland, OH), University Hospitals Medical Group Inc (Cleveland, OH), Uh North Ridgeville Endoscopy Center LLC (North Ridgeville, OH), Safe Anesthesia Chardon LLC (Chardon, OH), Safe Anesthesia Geneva LLC (Geneva, OH) and 5 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sean O'brien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sean O'brien accept?
Health plans from CareSource and Paramount list Sean O'brien as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Sean O'brien affiliated with any hospitals?
According to CMS data, Sean O'brien is affiliated with Lake Health.
When was this NPI record last updated?
The NPPES record for Sean O'brien was last updated on December 30, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Sean O'brien · NPI 1003271347
Nurse Anesthetist, Certified Registered physician in Cleveland, Ohio. Individual provider, active in the CMS NPPES registry since December 30, 2015.
## Identity
- **NPI:** 1003271347 (Entity type: Individual)
- **Enumerated:** December 30, 2015
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** RN.356463 (Ohio)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 9500 EUCLID AVE, Cleveland, OH 44195-0001
- **Phone:** (216) 444-6550
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 10 organizations under Medicare reassignment (form CMS-855R): University Primary Care Practices Inc (NPI 1952432171, Cleveland, OH); University Hospitals Medical Group Inc (NPI 1669499414, Cleveland, OH); Uh North Ridgeville Endoscopy Center LLC (NPI 1396213294, North Ridgeville, OH); Safe Anesthesia Chardon LLC (NPI 1740599976, Chardon, OH); Safe Anesthesia Geneva LLC (NPI 1821327636, Geneva, OH); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** December 30, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1003271347) · Data from the CMS NPPES public registry.