STEVEN L POSAR MD
NPI 1154308575
Internal Medicine in Crown Point, IN
About Steven L Posar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN L POSAR MD (NPI 1154308575) is an individual internal medicine provider in Crown Point, Indiana, licensed in Indiana (01046045A) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, maintains 9 additional practice locations, and is a graduate of University Of Michigan Medical School (1974).
NPPES Registry Identity
Specialties & Licenses
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Secondary Practice Locations 9
Other Identifiers 3
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
Steven L Posar 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46307 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.
CROWN POINT, IN 46307
CROWN POINT, IN 46307
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 Posar's NPI number?
The NPI number for Steven Posar is 1154308575. It was assigned to this individual provider in the NPPES registry on December 28, 2005.
Where is Steven Posar located?
Steven Posar practices at 2100 N Main St Ste 304, Crown Point, IN 46307. The listed phone number is (574) 546-1900.
What is Steven Posar's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Steven Posar enrolled in Medicare?
Yes. Steven Posar 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 Steven Posar accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 7 other insurers list Steven Posar 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.
When was this NPI record last updated?
The NPPES record for Steven Posar was last updated on April 7, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.
