SARA HELEN HAMMER DO
NPI 1144858457
Family Medicine in Chicago, IL
About Sara Helen Hammer Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SARA HELEN HAMMER DO (NPI 1144858457) is an individual family medicine provider in Chicago, Illinois, licensed in Illinois (036-164028) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Advocate Illinois Masonic Medical Center, and maintains a secondary practice location in Chicago.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Sara Helen Hammer Do 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.
Areas of Expertise CMS Part B claims 5
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.
Advocate Illinois Masonic Medical Center
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60641 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60641
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 Sara Hammer's NPI number?
The NPI number for Sara Hammer is 1144858457. It was assigned to this individual provider in the NPPES registry on March 31, 2020.
Where is Sara Hammer located?
Sara Hammer practices at 3936 N Milwaukee Ave, Chicago, IL 60641. The listed phone number is (773) 736-6125.
What is Sara Hammer's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Sara Hammer enrolled in Medicare?
Yes. Sara Hammer 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.
What insurance does Sara Hammer accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Sara Hammer 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 Sara Hammer affiliated with any hospitals?
According to CMS data, Sara Hammer is affiliated with Advocate Illinois Masonic Medical Center.
When was this NPI record last updated?
The NPPES record for Sara Hammer was last updated on September 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
