Provider Profile
Catherine B. Zielinski, ACNP
Unclaimed ProfileAbout Catherine Zielinski
Catherine B. Zielinski, ACNP is a nurse practitioner based in Saint Louis, MO. Catherine is also listed as specializing in nurse practitioner — acute care. Medicare claims data shows Catherine provided 170 services to 89 patients. The services billed most often include critical care, each additional 30 minutes, critical care, first 30-74 minutes, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes. The provider's National Provider Identifier (NPI) is 1518637255.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (800) 862-9980
- Email not available
Practice Locations
1 BARNES JEWISH HOSPITAL PLZ DEPT ANESTHESIOLOGY
Saint Louis, MO 63110
Procedures Most Often Billed to Medicare
170 services · 89 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Critical care, each additional 30 minutes | Office visit | 99292 |
74 | More often than most peers in Nurse Practitioner |
| Critical care, first 30-74 minutes | Office visit | 99291 |
73 | More often than most peers in Nurse Practitioner |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
23 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in Saint Louis 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Catherine B. Zielinski specialize in?
Catherine B. Zielinski is a nurse practitioner in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Catherine B. Zielinski located?
Catherine B. Zielinski is listed at 1 Barnes Jewish Hospital Plz Dept Anesthesiology, Saint Louis, MO 63110. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Catherine B. Zielinski's phone number?
The number on file is (800) 862-9980. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Catherine B. Zielinski?
Catherine B. Zielinski's National Provider Identifier is 1518637255. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Catherine B. Zielinski train?
Catherine B. Zielinski attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Catherine B. Zielinski have?
Catherine B. Zielinski has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What does Catherine B. Zielinski do most often?
According to Medicare billing data, Catherine B. Zielinski the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Catherine B. Zielinski's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Catherine B. Zielinski. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.