Steven L. Posar, MD
Internal Medicine Physician · Crown Point, IN
Steven L. Posar, MD is an internal medicine physician with a practice address in Crown Point, Indiana, and NPI 1154308575, issued on Dec 28, 2005. Check the license (Indiana 01046045A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Steven L. Posar
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 01046045A IN
036150622 IL
04-50653 KS
52736 KY
4301036005 MI
and 4 more
Self-reported in NPPES; status is on the state search - Practice location
- 2100 N Main St Ste 304, Crown Point, IN 46307
- Phone
- (574) 546-1900
- Enumerated
- Dec 28, 2005
- Record last updated
- Apr 7, 2026
- Fax
- (574) 546-1999
- Medicare enrollment
- Enrolled (PECOS I20251014002399); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1974
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,109 in Indiana → Look up another NPI →
Also registered at 2100 N Main St Ste 304
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anita Arthur, APRNGerontology Nurse Practitioner1023059573
- Shauna AustinClinical Social Worker1285492637
- Lynn BaileyClinical Social Worker1609463249
- Heather Bloomfield, NPNurse Practitioner1083197131
- Artricia BonaparteFamily Nurse Practitioner1114413804
- Tamara Brown, FNPFamily Nurse Practitioner1760934301
Verify Steven L. Posar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01046045ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
94 Medicare Part D claims for 12 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Haloperidol35 claims
- Olanzapine17 claims
- Sertraline Hcl17 claims
- Levetiracetam12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 91 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $77.97
2 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka Pharmaceutical Development & Commercialization, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Guidestar Eldercare - PAAltoona, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven L. Posar among 2,109 internal medicine physician records in Indiana
Steven L. Posar, MD is one of 2,109 internal medicine physician records with a practice address in Indiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1974 · median 2005 among the 1,448 with a school on file
- Record last updated2026 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 internal medicine physician records list a practice address in Crown Point
They are 14 of the 1,396 NPPES records with a practice address in Crown Point, and 2,109 internal medicine physician records in Indiana.
All 2,109 in Indiana → Every provider in Crown Point → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jose Agusti, M.D.Winfield, IN 463071033192604
- Rajamani AvulaCrown Point, IN 463071144329913
- Hayssam Kadah, M.D.Crown Point, IN 463071427167584
- Laura Kunstman, M.D.Crown Point, IN 463071487753059
- Bernardo Lucena, MDCrown Point, IN 463071356391676
- Spencer Markowitz, M.D.Crown Point, IN 463071265576524
- Anastas Mukoski, MDCrown Point, IN 463071144334301
- Alison Petrovich, MDCrown Point, IN 463071588669188
Common questions
What is Steven L. Posar, MD's NPI number?
Steven L. Posar, MD's National Provider Identifier (NPI) is 1154308575, issued on Dec 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Steven L. Posar, MD located?
The NPPES record lists a practice address at 2100 N Main St Ste 304, Crown Point, IN, 46307. Phone: (574) 546-1900. Providers update this record themselves, so call before visiting.
How can I verify Steven L. Posar, MD's license?
NPPES lists Indiana license number 01046045A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Steven L. Posar, MD prescribe under Medicare Part D?
In 2024, Steven L. Posar, MD had 94 Medicare Part D claims for 12 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Steven L. Posar, MD's MIPS final score?
The 2023 MIPS final score is 91 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.