Joseph Koscielniak, M.D.
NPI 1841299468 · Specialist · Merrillville, IN
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Koscielniak, M.D. is a Specialist provider in Merrillville, IN (NPI 1841299468).
Provider details
- NPI number
- 1841299468
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 01028974 (IN)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
529 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 205 | $84 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 138 | $52 |
| X-Ray of Knee, 1-2 Views73560 | 47 | $31 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 35 | $59 |
| X-Ray of Hip, 2-3 Views73502 | 30 | $43 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 27 | $32 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Meloxicam | 111 | 37 |
| Celecoxib | 83 | 17 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 71 | 29 |
| Diclofenac Sodium | 45 | 16 |
| Prednisone | 38 | 28 |
| Allopurinol | 35 | — |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 21 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-15
- Last updated
- 2012-01-12
Frequently asked questions
- What is Joseph Koscielniak's NPI number?
- Joseph Koscielniak's National Provider Identifier (NPI) is 1841299468, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Koscielniak's specialty?
- Joseph Koscielniak is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Joseph Koscielniak located?
- Joseph Koscielniak's practice location on file with NPPES is 5587 Broadway, Merrillville, IN 46410-2632.
- What is Joseph Koscielniak's phone number?
- The practice phone number listed in the NPPES registry for Joseph Koscielniak is (219) 887-9506.
- Does Joseph Koscielniak accept Medicare?
- Joseph Koscielniak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Koscielniak's NPI active?
- Yes — Joseph Koscielniak's NPI (1841299468) is active in the NPPES registry as of the last update on 2012-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.