Ronald Zielinski, MD
NPI 1912072992 · Critical Care Medicine (Internal Medicine) Physician · Bay Shore, NY
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Zielinski, MD is a Critical Care Medicine (Internal Medicine) Physician provider in Bay Shore, NY (NPI 1912072992).
Provider details
- NPI number
- 1912072992
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 159730 (NY)
Specialties & taxonomies
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
19 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
2,690 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 565 | $19 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 533 | $147 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 465 | $208 |
| Test to Measure Expiratory Airflow and Volume94010 | 442 | $32 |
| Test to Determine Lung Volumes Using Gas Dilution Or Washout94727 | 111 | $51 |
| Test to Examine How Well the Lungs Exchange Gases |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 538 | 157 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 359 | 156 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 354 | 91 |
| Azelastine Hcl | 151 | 62 |
| Prednisone | 149 | 93 |
| Montelukast Sodium | 133 | 44 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17 across 1 record (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
- 2006-11-22
- Last updated
- 2010-07-28
Frequently asked questions
- What is Ronald Zielinski's NPI number?
- Ronald Zielinski's National Provider Identifier (NPI) is 1912072992, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Zielinski's specialty?
- Ronald Zielinski is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Zielinski located?
- Ronald Zielinski's practice location on file with NPPES is 370 East Main Street, Bay Shore, NY 11706.
- What is Ronald Zielinski's phone number?
- The practice phone number listed in the NPPES registry for Ronald Zielinski is (631) 666-5864.
- Does Ronald Zielinski accept Medicare?
- Ronald Zielinski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Zielinski's NPI active?
- Yes — Ronald Zielinski's NPI (1912072992) is active in the NPPES registry as of the last update on 2010-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.