NPPES file of Aug 9, 2026

Gregory M. Sassmannshausen, M.D.

Sports Medicine (Orthopaedic Surgery) Physician · Fort Wayne, IN

Gregory M. Sassmannshausen, M.D. is a sports medicine (orthopaedic surgery) physician with a practice address in Fort Wayne, Indiana, and NPI 1225031206, issued on May 24, 2005. Check the license (Indiana 01057188A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225031206
Name
Gregory M. Sassmannshausen
Credential
M.D.
Primary taxonomy
Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X
License number
01057188A IN
Self-reported in NPPES; status is on the state search
Practice location
7601 W Jefferson Blvd, Fort Wayne, IN 46804
Phone
(260) 436-8686
Enumerated
May 24, 2005
Record last updated
Nov 7, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(260) 436-8585
Medicaid ID
200421590A IN
Medicare enrollment
Enrolled (PECOS I20100202000632); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 1997
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 7601 W Jefferson Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. David Almdale, M.D.Orthopaedic Surgery Physician1669475745
  2. Bailey Anson, PA-CPhysician Assistant1407706187
  3. Michael Arata, M.D.Orthopaedic Surgery of the Spine Physician1821091901
  4. Nicholas Arnold, MDOrthopaedic Surgery Physician1326400771
  5. Timothy Ashworth, M.D.Orthopaedic Surgery Physician1679951255
  6. Christopher Belschner, P.A.Physician Assistant1629222922

Verify Gregory M. Sassmannshausen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Licensing Board of Indiana
    Search for license 01057188A
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Indiana license search

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2.2 times the Medicare Part D claims of the average sports medicine (orthopaedic surgery) physician in 2024

642 Medicare Part D claims for 228 beneficiaries, against an average of 288 among the 2,562 providers of this specialty who prescribed in Part D. 262 claims were for opioids.

  1. Gregory Sassmannshausen642
  2. Specialty average288

Most prescribed

  1. Tizanidine Hcl201 claims
  2. Oxycodone-Acetaminophen163 claims
  3. Amoxicillin63 claims
  4. Hydrocodone-Acetaminophen62 claims
  5. Meloxicam49 claims
  6. Tramadol Hcl34 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): 80.7 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.

  1. Qualityout of 100 · 30% of the final score78.6
  2. Costout of 100 · 30%70.3
  3. Promoting interoperabilityout of 100 · 25%84.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Fort Wayne Orthopaedics, LLCFort Wayne, IN
  2. Orthopaedics-Indianapolis IncFort Wayne, IN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sports Medicine (Orthopaedic Surgery) Physician providers in Indiana

There are 64 sports medicine (orthopaedic surgery) physician records in Indiana.

Other sports medicine (orthopaedic surgery) physician records in Indiana

  1. Steven Ahlfeld, MDIndianapolis, IN1710988795
  2. Evan Armington, MDIndianapolis, IN1629239918
  3. Chris Bales, MDBrownsburg, IN1619012200
  4. Jennifer Bayer, M.D.Crown Point, IN1073724548
  5. Kerry Bennett, DOMuncie, IN1689680563
  6. Sean Calloway, M.D.Greenwood, IN1780979856
  7. Jorge Chahla, MD, PHDMunster, IN1750891636
  8. Kevin Condict, MDCarmel, IN1538245212
  9. Jerald Cooper, M.D.Fort Wayne, IN1598768566
  10. Daniel Daluga, MDLafayette, IN1851360853

Common questions

What is Gregory M. Sassmannshausen, M.D.'s NPI number?

Gregory M. Sassmannshausen, M.D.'s National Provider Identifier (NPI) is 1225031206, issued on May 24, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Gregory M. Sassmannshausen, M.D. located?

The NPPES record lists a practice address at 7601 W Jefferson Blvd, Fort Wayne, IN, 46804. Phone: (260) 436-8686. Providers update this record themselves, so call before visiting.

How can I verify Gregory M. Sassmannshausen, M.D.'s license?

NPPES lists Indiana license number 01057188A, 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 Gregory M. Sassmannshausen, M.D. prescribe under Medicare Part D?

In 2024, Gregory M. Sassmannshausen, M.D. had 642 Medicare Part D claims for 228 beneficiaries; the average among sports medicine (orthopaedic surgery) physician prescribers was 288. Part D covers Medicare prescriptions only.

What is Gregory M. Sassmannshausen, M.D.'s MIPS final score?

The 2023 MIPS final score is 80.7 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.