Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1154308575 Individual Practitioner Male Practitioner

Dr. Steven L Posar , MD

Internal Medicine • Crown Point, IN

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Steven Posar, MD is a certified Internal Medicine practicing in Crown Point, IN. With approximately 52 years of clinical experience since graduating from University Of Michigan Medical School in 1974, Dr. Posar delivers high-quality medical care to the local community at 2100 N MAIN ST STE 304.

Dr. Posar is affiliated with Guidestar Eldercare - Pa and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least, psychotherapy, psychiatric diagnostic evaluation. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2100 N Main St Ste 304

Crown Point, IN 463071877

Telephone 5745461900
Fax 5745461999
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

University Of Michigan Medical School

Graduation Year

1974

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Crown Point, IN

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
52 Yrs +19.0 yrs vs City Avg
City Avg: 33.0 Yrs
State Avg: 26.2 Yrs
Regional Practice Density
15 Specialists

Practicing in Crown Point, IN (2204 Statewide)

Telehealth Adoption Rate
20.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
54.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Posar (52 Years) 52 Yrs
Crown Point Specialty Average (33.0 Years) 33.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2020)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes
974 242 $150.00 $65.66
90832 Psychotherapy, 30 minutes
548 202 $120.00 $67.19
90791 Psychiatric diagnostic evaluation
235 233 $280.00 $138.08
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes
117 93 $215.00 $86.66
99306 Initial nursing facility visit, typically 45 minutes per day
89 89 $350.00 $159.55
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes
87 29 $150.00 $65.63
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes
72 71 $270.00 $123.69
90832 Psychotherapy, 30 minutes
63 26 $120.00 $61.35
90791 Psychiatric diagnostic evaluation
31 31 $280.00 $123.22
99306 Initial nursing facility visit, typically 45 minutes per day
21 21 $350.00 $159.56

Medical Specialties & State Licenses

CMS Verified: 2026-04-07
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IN 01046045A

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License KS 04-50653

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License KY 52736

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License MO 2025044479

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License MI 4301036005

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License IL 036150622

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License PA MD488690C

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License OH 35.138677

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License TX T2472

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.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID State License
T2472 (TX)
Commercial Insurance / Payer ID State License
35.138677 (OH)
Commercial Insurance / Payer ID State License
68641 (TN)

Hospital & Practice Group Affiliations

Guidestar Eldercare - Pa

None, Altoona, PA 16602

Phone: 5745461900

Secondary Practice Locations

311 E Pleasant Valley Blvd

Altoona, PA 166025512

Phone: 5745461900

306 W Main St Ste 512

Frankfort, KY 406011840

Phone: 5745461900

303 N Stadium Blvd Fl 2

Columbia, MO 652031493

Phone: 5745461900

12345 W 95th St Fl 2

Lenexa, KS 662153853

Phone: 5745461900

40600 Ann Arbor Rd E Ste 201

Plymouth, MI 481704675

Phone: 5745461900

1821 Walden Office Sq Ste 400

Schaumburg, IL 601734273

Phone: 5745461900

6000 Poplar Ave Ste 250

Memphis, TN 381193974

Phone: 5745461900

675 Town Square Blvd Ste 200

Garland, TX 750402991

Phone: 5745461900

21 E State St

Columbus, OH 432154281

Phone: 5745461900

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Yvette Caviness-Kelley , FNP-BC

Nurse Practitioner - Family

NPI 1003265307

Family Nurse Practitioner (Board Certified)

Melissa Patterson-Wright , MSW

Social Worker - Clinical

NPI 1013143239

Master of Social Work

Christine Weber

Social Worker

NPI 1013402213
Anita Arthur , APRN

Nurse Practitioner - Gerontology

NPI 1023059573

Advanced Practice Registered Nurse

Mira May , LCSW

Social Worker - Clinical

NPI 1023177177

Licensed Clinical Social Worker

Natalie Back , APRN

Nurse Practitioner - Family

NPI 1023262540

Advanced Practice Registered Nurse

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

17 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 07, 2026

Internal Medicine (License #35.138677 in OH)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 16, 2026

Internal Medicine (License #4301036005 in MI)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 01, 2025

Internal Medicine (License #MD488690C in PA)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 14, 2024

Internal Medicine (License #35.138677 in OH)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 22, 2023

Internal Medicine (License #4301036005 in MI)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 03, 2021

Internal Medicine (License #01046045A in IN)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 23, 2021

Internal Medicine (License #036150622 in IL)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 26, 2021

Internal Medicine (License #52736 in KY)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 06, 2020

Internal Medicine (License #35.138677 in OH)

📍
Updated Practice Location May 13, 2020

Registered at 2100 N MAIN ST STE 304, CROWN POINT, IN 463071877 (Tel: 5745461900)

📍
Updated Business Mailing Address May 13, 2020

Registered at PO BOX 10299, FORT WAYNE, IN 468510299 (Tel: 5745461900)

NPI Profile Active October 17, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location October 17, 2007

Registered at 310 N IRONWOOD DR, SOUTH BEND, IN 46615 (Tel: 5742876333)

📍
Updated Business Mailing Address October 17, 2007

Registered at 541 OTIS BOWEN DR, MUNSTER, IN 46321 (Tel: 2199345300)

👤
Provider Name / Credentials Updated October 17, 2007

Recorded as STEVEN POSAR, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 17, 2007

Internal Medicine (License #01046045A in IN)

🟢
Initial NPI Registration & Enumeration December 28, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1154308575
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: December 28, 2005
Last Update: April 07, 2026
Sole Proprietor: No

Mailing Address

Po Box 10299

Fort Wayne, IN 468510299

Phone: 5745461900

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.