Steven Posar, MD

NPI 1154308575 belongs to Steven Posar, MD, an internal medicine physician with a practice location in Crown Point, IN. The NPI was issued on December 28, 2005, and the record was last updated in NPPES on April 7, 2026. The record lists 9 taxonomy codes. 9 additional practice locations are listed.

Taxonomies and licenses

Practice locations

Local context

Active NPPES records list 533 providers with internal medicine physician as the primary taxonomy within 25 miles of this practice location's ZIP code, 92 of them within 10 miles.

The same primary taxonomy is listed by 2,599 in Indiana and 192,539 nationwide.

These are counts from NPPES records, not a ranking or recommendation. Distances are measured between ZIP code centers, not street addresses.

Other providers at this address

• Olaniyi Osuntokun, MD (Psychiatry Physician)

Providers whose NPPES practice location has the same street address, listing those with a page here.

Nearby providers with the same primary taxonomy

• Jose Agusti, M.D. , Winfield, IN, same ZIP code
• Gaurav Alreja, M.D. , Merrillville, IN, about 5 miles
• Vallee Adams-Miller, M.D. , Merrillville, IN, about 5 miles
• Chandana Vavilala, MD , Saint John, IN, about 7 miles
• Milton Gasparis, MD PHD , Hobart, IN, about 9 miles
• Reno Stramaglia , Hobart, IN, about 9 miles
• Huma Mulk, M.D. , Dyer, IN, about 9 miles
• Lance Wallace, M.D. , Dyer, IN, about 9 miles

Record history

Name on record

Steven L Posar

Status

Active

NPI issued

December 28, 2005

Last updated in NPPES

April 7, 2026

Is this your record? Updates are made through NPPES, the official National Plan and Provider Enumeration System.

NPPES data as of September 13, 2026 · Source: CMS NPPES

curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://api.npilayer.com/v1/providers/1154308575"