What is Sean O'Brien's NPI number?

Sean O'Brien's National Provider Identifier (NPI) is 1003271347, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sean O'Brien's specialty?

Sean O'Brien is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).

Where is Sean O'Brien located?

Sean O'Brien's practice location on file with NPPES is 9500 Euclid Ave, Cleveland, OH 44195-0001.

What is Sean O'Brien's phone number?

The practice phone number listed in the NPPES registry for Sean O'Brien is (216) 444-6550.

Does Sean O'Brien accept Medicare?

Sean O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Sean O'Brien's NPI active?

Yes — Sean O'Brien's NPI (1003271347) is active in the NPPES registry as of the last update on 2015-12-30.

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Sean O'Brien

NPI 1003271347 · Certified Registered Nurse Anesthetist · Cleveland, OH

Sean O'Brien is a Certified Registered Nurse Anesthetist provider in Cleveland, OH (NPI 1003271347).

Provider details

NPI number: 1003271347
Entity type: Individual
Primary specialty: Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
Sex: Male
Sole proprietor: Yes
License: RN.356463 (OH)

Practice location

9500 Euclid Ave

Cleveland, OH 44195-0001

Phone: (216) 444-6550

Street-level locationGet directions

More OH providers

Mailing address

9500 Euclid Ave

Cleveland, OH 44195-0001

Specialties & taxonomies

Certified Registered Nurse AnesthetistPrimary367500000XLicense RN.356463 (OH)
Physician Assistants & Advanced Practice Nursing Providers

Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(64/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
10 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
1 documented practice location
Medicare service volume (vs. specialty peers)28% of score
90 Medicare services, 2024 (ranked within specialty)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Anesthesia for Lens Surgery00142	43	$109
Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811	19	$117
Anesthesia for Procedure on Eyelid00103	17	$147
Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447	11	$57

Typical Medicare-allowed amounts for these services range $57–$147 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.

Enumerated: 2015-12-30
Last updated: 2015-12-30

Frequently asked questions

What is Sean O'Brien's NPI number?: Sean O'Brien's National Provider Identifier (NPI) is 1003271347, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Sean O'Brien's specialty?: Sean O'Brien is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
Where is Sean O'Brien located?: Sean O'Brien's practice location on file with NPPES is 9500 Euclid Ave, Cleveland, OH 44195-0001.
What is Sean O'Brien's phone number?: The practice phone number listed in the NPPES registry for Sean O'Brien is (216) 444-6550.
Does Sean O'Brien accept Medicare?: Sean O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Sean O'Brien's NPI active?: Yes — Sean O'Brien's NPI (1003271347) is active in the NPPES registry as of the last update on 2015-12-30.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)