Karl Weller
NPI 1831381078 · Emergency Medicine Physician · Bethlehem, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karl Weller is a Emergency Medicine Physician provider in Bethlehem, PA (NPI 1831381078).
Provider details
- NPI number
- 1831381078
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- OS014603 (PA)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
640 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 372 | $180 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 183 | $125 |
| Critical Care, First 30-74 Minutes99291 | 60 | $216 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 25 | $73 |
Typical Medicare-allowed amounts for these services range $73–$216 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methylprednisolone | 68 | 67 |
| Cephalexin | 52 | 52 |
| Cyclobenzaprine Hcl | 44 | 44 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 33 | 33 |
| Ibuprofen | 31 | 30 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 24 | 22 |
| Ondansetronbrand: Ondansetron Odt | 23 | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$37 across 2 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
Registry dates
- Enumerated
- 2007-08-13
- Last updated
- 2013-03-01
Frequently asked questions
- What is Karl Weller's NPI number?
- Karl Weller's National Provider Identifier (NPI) is 1831381078, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Weller's specialty?
- Karl Weller is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karl Weller located?
- Karl Weller's practice location on file with NPPES is 801 Ostrum St, Bethlehem, PA 18015-1000.
- What is Karl Weller's phone number?
- The practice phone number listed in the NPPES registry for Karl Weller is (484) 526-4644.
- Does Karl Weller accept Medicare?
- Karl Weller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karl Weller's NPI active?
- Yes — Karl Weller's NPI (1831381078) is active in the NPPES registry as of the last update on 2013-03-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.