SEAN SEONGJOU BOK M.D.
NPI 1134434327
Anesthesiology in New York, NY
About Sean Seongjou Bok M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SEAN SEONGJOU BOK M.D. (NPI 1134434327) is an individual anesthesiology provider in New York, New York, licensed in New York (273560) and active in the NPI registry since August 2010. He is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses
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 Seongjou Bok M.d. 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
16Medicare enrollment records show Sean Bok reassigns Medicare billing to 16 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- 3,922 clinicians in this Medicare group
New York, NY 10128
- Reassigned Medicare billing, New York enrollment
- 55 clinicians in this Medicare group
New York, NY 10028
- Reassigned Medicare billing, New York enrollment
- 140 clinicians in this Medicare group
New York, NY 10075
- Reassigned Medicare billing, New York enrollment
- 530 clinicians in this Medicare group
New York, NY 10019
- Reassigned Medicare billing, New York enrollment
- 58 clinicians in this Medicare group
Astoria, NY 11103
- Reassigned Medicare billing, New York enrollment
- 7 clinicians in this Medicare group
New York, NY 10016
- Reassigned Medicare billing, New York enrollment
- 1,074 clinicians in this Medicare group
New York, NY 10003
- Reassigned Medicare billing, New York enrollment
- 94 clinicians in this Medicare group
New Hyde Park, NY 11042
- Reassigned Medicare billing, New York enrollment
- 43 clinicians in this Medicare group
Roslyn, NY 11576
- Reassigned Medicare billing, New York enrollment
- 162 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 9
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.
Maine Medical Center
Acute Care Hospitals · Portland, MEMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
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 Bok's NPI number?
The NPI number for Sean Bok is 1134434327. It was assigned to this individual provider in the NPPES registry on August 11, 2010.
Where is Sean Bok located?
Sean Bok practices at 622 W 168th St Ph5-505, New York, NY 10032. The listed phone number is (212) 305-9876.
What is Sean Bok's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Sean Bok enrolled in Medicare?
Yes. Sean Bok 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 Bok's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sean Bok reassigns Medicare benefits to 16 organizations: Trustees Of Columbia University In The City Of New York (New York, NY), Yorkville Endoscopy, LLC (New York, NY), Centurion Midtown Anesthesia PLLC (New York, NY), Physicians Of University Hospital, PC (New York, NY), West Side Gi, LLC (New York, NY) and 11 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 Bok's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sean Bok affiliated with any hospitals?
According to CMS data, Sean Bok is affiliated with Maine Medical Center.
When was this NPI record last updated?
The NPPES record for Sean Bok was last updated on April 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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 Seongjou Bok, M.D. · NPI 1134434327
Anesthesiology physician in New York, New York. Individual provider, active in the CMS NPPES registry since August 11, 2010.
## Identity
- **NPI:** 1134434327 (Entity type: Individual)
- **Enumerated:** August 11, 2010
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 273560 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 622 W 168TH ST, PH5-505, New York, NY 10032-3720
- **Phone:** (212) 305-9876
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 16 organizations under Medicare reassignment (form CMS-855R): Trustees Of Columbia University In The City Of New York (NPI 1508266347, New York, NY); Yorkville Endoscopy, LLC (NPI 1174873780, New York, NY); Centurion Midtown Anesthesia PLLC (NPI 1750087854, New York, NY); Physicians Of University Hospital, PC (NPI 1992200075, New York, NY); West Side Gi, LLC (NPI 1588938682, New York, NY); and 11 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** April 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1134434327) · Data from the CMS NPPES public registry.