Quick answers
- Does Frank S. Calandrino accept Medicare assignment?
- Yes. Medicare's clinician data says Frank S. Calandrino 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 Frank S. Calandrino see?
- In 2024, CMS data shows 287 Original Medicare patients and 1,410 services for Frank S. Calandrino. This counts Original Medicare only and measures volume, not quality.
- What is Frank S. Calandrino's NPI number?
- 1356394498. 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 Frank S. Calandrino, 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 patients | 287 |
|---|---|
| Services billed to Medicare | 1,410 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)454 services
- Test to measure rate of airflow (94375)360 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)190 services
- Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th (G0316)108 services
- Influenza vaccine split virus, preservative free (90662)41 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%
- Arthritis57%
- COPD57%
- Ischemic heart disease44%
- Chronic kidney disease43%
Hospitals where Frank S. Calandrino works
Medicare's Facility Affiliation Data lists Frank S. Calandrino 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.
- Barnes-Jewish St Peters HospitalSaint Peters, MO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 260191
- SSM St Joseph Health CenterSaint Charles, MO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 260005
- SSM St Joseph Hospital WestLake Saint Louis, MO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 260200
Practice locations
Addresses where Frank S. Calandrino is enrolled with Medicare (CMS data updated October 2, 2026).
- 1015 Bowles AveFenton, MO 63026 (636) 496‑2000
- 300 1st Capitol DrSaint Charles, MO 63301 (636) 947‑5000
- 330 1st Capitol Dr, Suite 470Saint Charles, MO 63301 (636) 946‑1650
Group practices
Medicare enrollment lists Frank S. Calandrino as a member of these groups (CMS data updated October 2, 2026).
- SSM Health Care St Louis167 clinicians in the group
- Midwest Chest Consultants PC3 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
- Internal Medicinealso
Other pulmonologists in Fenton
Clinicians with the same Medicare primary specialty in Fenton, MO — not a recommendation.
Other clinicians in SSM Health Care St Louis
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1981 (45 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356394498 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians