PETER SERINA
NPI 1124540364
Emergency Medicine in Chicago, IL
About Peter Serina NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PETER SERINA (NPI 1124540364) is an individual emergency medicine provider in Chicago, Illinois, licensed in Illinois (125073355) and active in the NPI registry since July 2017. He is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and maintains a secondary practice location in Chicago.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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
Peter Serina 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
4Medicare enrollment records show Peter Serina reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Westerly, RI 02891
- Reassigned Medicare billing, Rhode Island enrollment
- 32 clinicians in this Medicare group
Reading, MA 01867
- Reassigned Medicare billing, Massachusetts enrollment
- 20 clinicians in this Medicare group
Melrose, MA 02176
- Reassigned Medicare billing, Massachusetts enrollment
- 23 clinicians in this Medicare group
Salem, MA 01970
- Reassigned Medicare billing, Massachusetts enrollment
- 994 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
North Shore Medical Center -
Acute Care Hospitals · Salem, MAMelrosewakefield Healthcare
Acute Care Hospitals · Melrose, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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.
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 Peter Serina's NPI number?
The NPI number for Peter Serina is 1124540364. It was assigned to this individual provider in the NPPES registry on July 10, 2017.
Where is Peter Serina located?
Peter Serina practices at 211 E Ontario St Ste 200, Chicago, IL 60611. The listed phone number is (312) 926-6493.
What is Peter Serina's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Peter Serina enrolled in Medicare?
Yes. Peter Serina 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 Peter Serina's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Serina reassigns Medicare benefits to 4 organizations: Lmw Healthcare Inc. (Westerly, RI), Hallmark Health Urgent Care Physicians LLC (Reading, MA), Melrose Wakefield Emergency Physicians, Inc. (Melrose, MA) and Mass General Brigham Medical Group Northern Massachusetts Inc (Salem, MA). 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 Peter Serina's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Peter Serina affiliated with any hospitals?
According to CMS data, Peter Serina is affiliated with North Shore Medical Center - and Melrosewakefield Healthcare.
When was this NPI record last updated?
The NPPES record for Peter Serina was last updated on July 21, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Peter Serina · NPI 1124540364
Emergency Medicine physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since July 10, 2017.
## Identity
- **NPI:** 1124540364 (Entity type: Individual)
- **Enumerated:** July 10, 2017
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 125073355 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 211 E ONTARIO ST STE 200, Chicago, IL 60611
- **Phone:** (312) 926-6493
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Lmw Healthcare Inc. (NPI 1447595368, Westerly, RI); Hallmark Health Urgent Care Physicians LLC (NPI 1184066912, Reading, MA); Melrose Wakefield Emergency Physicians, Inc. (NPI 1790730539, Melrose, MA); Mass General Brigham Medical Group Northern Massachusetts Inc (NPI 1588606123, Salem, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Washington School Of Medicine, class of 2018
## Record status
- **NPPES last updated:** July 21, 2018
- **Other identifiers:** Medicaid 125073355 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1124540364) · Data from the CMS NPPES public registry.