Jon Karl, MD
NPI 1548432115 · Pain Medicine Physician · Fort Wayne, IN
Enrolled with Medicare as Practitioner - Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1548432115
- Entity type
- Individual
- Primary specialty
- Pain Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01065304A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,631 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 301 | $87 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 291 | $123 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Single Level64483 | 184 | $136 |
| Testing for Presence of Drug, Read By Direct Observation80305 | 104 | $12 |
| Injection of Trigger Points, 1-2 Muscles20552 | 74 | $48 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 1,123 | 295 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 1,066 | 255 |
| Gabapentin | 879 | 339 |
| Tramadol Hcl | 553 | 154 |
| Tizanidine Hcl | 435 | 153 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 376 | 90 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$215 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 7920 W Jefferson BlvdFort Wayne, IN 46804-4168Phone: (260) 484-8551Fax: (260) 482-5060
- 11136 Parkview Circle DrFort Wayne, IN 46845-1730Phone: (260) 484-8551Fax: (260) 482-5060
- 1500 Provident Dr Ste BWarsaw, IN 46580-3297Phone: (574) 269-8301Fax: (574) 269-8302
Registry dates
- Enumerated
- 2008-03-24
- Last updated
- 2018-10-22
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.