Jason Zielinski, D.O.
NPI 1508896929 · Internal Medicine Physician · Bethlehem, PA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jason Zielinski, D.O. is a Internal Medicine Physician provider in Bethlehem, PA (NPI 1508896929).
Provider details
- NPI number
- 1508896929
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- OS013524 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
1,026 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 333 | $112 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 212 | $108 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 170 | $75 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 68 | $164 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 56 | $102 |
| Critical Care, First 30-74 Minutes99291 | 50 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 37 | 37 |
| Cefuroxime Axetilbrand: Cefuroxime | 24 | 24 |
| Levofloxacin | 20 | 20 |
| Furosemide | 16 | 14 |
| Metoprolol Tartrate | 16 | 14 |
| Doxycycline Hyclate | 14 | 14 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 13 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jason Zielinski's NPI number?
- Jason Zielinski's National Provider Identifier (NPI) is 1508896929, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Zielinski's specialty?
- Jason Zielinski is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jason Zielinski located?
- Jason Zielinski's practice location on file with NPPES is 801 Ostrum St, Bethlehem, PA 18015-1000.
- What is Jason Zielinski's phone number?
- The practice phone number listed in the NPPES registry for Jason Zielinski is (610) 954-3383.
- Does Jason Zielinski accept Medicare?
- Jason Zielinski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jason Zielinski's NPI active?
- Yes — Jason Zielinski's NPI (1508896929) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.