DR. STEVEN EVANS GUILLEN MD
NPI 1710911029
Emergency Medicine in Flemington, NJ
About Dr. Steven Evans Guillen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEVEN EVANS GUILLEN MD (NPI 1710911029) is an individual emergency medicine provider in Flemington, New Jersey, licensed in New Jersey (25MA08050600) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Centrastate Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Dr. Steven Evans Guillen Md 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.
Centrastate Medical Center
Acute Care Hospitals · Freehold, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 08822 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.
FLEMINGTON, NJ 08822
FLEMINGTON, NJ 08822
FLEMINGTON, NJ 08822
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 Steven Guillen's NPI number?
The NPI number for Steven Guillen is 1710911029. It was assigned to this individual provider in the NPPES registry on July 10, 2006.
Where is Steven Guillen located?
Steven Guillen practices at 2100 Wescott Dr, Flemington, NJ 08822. The listed phone number is (856) 616-8100.
What is Steven Guillen's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Steven Guillen enrolled in Medicare?
Yes. Steven Guillen 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.
Is Steven Guillen affiliated with any hospitals?
According to CMS data, Steven Guillen is affiliated with Centrastate Medical Center.
When was this NPI record last updated?
The NPPES record for Steven Guillen was last updated on April 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
