FRANK S CALANDRINO JR MD LLC
NPI 1053257006
Internal Medicine - Pulmonary Disease in Saint Charles, MO

Q: What is Frank S Calandrino Jr MD LLC's NPI number?

The NPI number for Frank S Calandrino Jr MD LLC is 1053257006. It was assigned to this organization in the NPPES registry on April 23, 2026.

Q: What is Frank S Calandrino Jr MD LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Active since April 23, 2026

300 1ST CAPITOL DR, SAINT CHARLES, MO 63301(314) 330-8616(636) 333-4510 Get Directions Write a Review

NPPES record last updated: May 29, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 29, 2026, Apr 25, 2026 (2 updates tracked since 2026).

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About Frank S Calandrino Jr Md Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

FRANK S CALANDRINO JR MD LLC (NPI 1053257006) is a healthcare organization registered as a pulmonary disease in Saint Charles, Missouri and active in the NPI registry since April 2026. The organization lists Frank S. Calandrino, Owner, Physician, as its authorized official.

NPPES Registry Identity

NPI1053257006

Entity TypeOrganization

Primary Taxonomy207RP1001X

Legal Business NameFRANK S CALANDRINO JR MD LLC

Location Address300 1ST CAPITOL DRSaint Charles, MO 63301-2844

Mailing AddressPo Box 31038Des Peres, MO 63131-0038 · (314) 330-8616 · Fax (636) 333-4510

Phone(314) 330-8616

Fax(636) 333-4510

Organization SubpartNo

Authorized OfficialFrank S. CalandrinoOwner, Physician · (314) 330-8616

Enumeration DateApril 23, 2026

Last NPPES UpdateMay 29, 20262 updates tracked since enumeration

NPPES CertifiedMay 29, 2026

✔ NPI 1053257006 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X

Also ListedInternal Medicine · Sleep MedicineTaxonomy 207RS0012X

300 1ST CAPITOL DR, Saint Charles, MO 63301

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Frank S Calandrino Jr Md Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Frank S Calandrino Jr MD LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Frank Calandrino, M.D.

Pulmonary Disease

NPI 1356394498

300 1ST CAPITOL DR
Saint Charles, MO 63301

(314) 330-8616

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Frank S Calandrino Jr MD LLC's NPI number?

The NPI number for Frank S Calandrino Jr MD LLC is 1053257006. It was assigned to this organization in the NPPES registry on April 23, 2026.

Where is Frank S Calandrino Jr MD LLC located?

Frank S Calandrino Jr MD LLC is located at 300 1st Capitol Dr, Saint Charles, MO 63301. The listed phone number is (314) 330-8616.

What is Frank S Calandrino Jr MD LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Frank S Calandrino Jr MD LLC enrolled in Medicare?

Yes. Frank S Calandrino Jr MD LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Frank S Calandrino Jr MD LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Pulmonary Disease) reassigns their Medicare billing to Frank S Calandrino Jr MD LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Frank S Calandrino Jr MD LLC was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.