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Pulmonary Disease

Catalin Nicola, MD

Works at hospitals in Simi Valley, CA · Thousand Oaks, CA · Fresno, CA · California

Summary

Dr. Catalin Nicola, MD is a pulmonologist at 1151 Arroyo View St, Thousand Oaks, CA 91320. Phone: (585) 690-9408. Accepts Medicare assignment. In 2024, Catalin Nicola had 450 Original Medicare patients and 1,301 services. NPI 1558519470. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Catalin Nicola, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Catalin Nicola accept Medicare assignment?
Yes. Medicare's clinician data says Catalin Nicola accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Catalin Nicola see?
In 2024, CMS data shows 450 Original Medicare patients and 1,301 services for Catalin Nicola. This counts Original Medicare only and measures volume, not quality.
What is Catalin Nicola's NPI number?
1558519470. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Catalin Nicola, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients450
Services billed to Medicare1,301
Different services or procedures34
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Critical care, first 30-74 minutes (99291)516 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)240 services
  3. Test to measure expiratory airflow and volume changes before and after medication administration (94060)82 services
  4. Test to examine how well the lungs exchange gases (94729)74 services
  5. Test to determine lung volumes using sensors (94726)70 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Heart failure58%
  • Ischemic heart disease57%
  • Diabetes55%
  • Arthritis54%

Hospitals where Catalin Nicola works

Medicare's Facility Affiliation Data lists Catalin Nicola at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Catalin Nicola is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Catalin Nicola as a member of these groups (CMS data updated October 2, 2026).

  • Saint Agnes Medical Foundation161 clinicians in the group
  • Vista Critical Care Associates Inc15 clinicians in the group
  • Jaspreet Somal M.D., A.P.C.10 clinicians in the group

Specialties

Find other Pulmonary Disease doctors in California →

Other pulmonologists in Thousand Oaks

Clinicians with the same Medicare primary specialty in Thousand Oaks, CA — not a recommendation.

All pulmonologists in Thousand Oaks →

Other clinicians in Saint Agnes Medical Foundation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2007 (19 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1558519470
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians