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HOSPITALIST SERVICES OF AMERICA
NPI 1821757360
Internal Medicine in Saint Petersburg, FL

Active since December 13, 2021
4101 36TH AVE N, SAINT PETERSBURG, FL 33713(727) 557-7297 Get Directions Write a Review

NPPES record last updated: December 13, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Hospitalist Services Of America NPPES

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

HOSPITALIST SERVICES OF AMERICA (NPI 1821757360) is a healthcare organization registered as an internal medicine in Saint Petersburg, Florida and active in the NPI registry since December 2021. The organization lists Jared Pieniazek, President, as its authorized official.

NPPES Registry Identity

NPI1821757360
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameHOSPITALIST SERVICES OF AMERICA
Location Address4101 36TH AVE NSaint Petersburg, FL 33713-1222
Mailing Address76 4th St N, Po Box 771Saint Petersburg, FL 33701-3828
Phone(727) 557-7297
Organization SubpartNo
Authorized OfficialJared PieniazekPresident · (727) 557-7297
Enumeration DateDecember 13, 2021
NPPES CertifiedDecember 13, 2021
✔ NPI 1821757360 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4101 36TH AVE N, Saint Petersburg, FL 33713
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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)

Hospitalist Services Of America 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 Hospitalist Services Of America, which bills Medicare for the services this clinician delivers.

Clinician (1)

Jared Pieniazek, DO
Internal Medicine
NPI 1467912295
401 PALMETTO ST
New Smyrna Beach, FL 32168
(386) 424-5000
✔ PECOS✔ Accepts Medicare136 mi

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 Hospitalist Services Of America's NPI number?

The NPI number for Hospitalist Services Of America is 1821757360. It was assigned to this organization in the NPPES registry on December 13, 2021.

Where is Hospitalist Services Of America located?

Hospitalist Services Of America is located at 4101 36th Ave N, Saint Petersburg, FL 33713. The listed phone number is (727) 557-7297.

What is Hospitalist Services Of America's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Hospitalist Services Of America enrolled in Medicare?

Yes. Hospitalist Services Of America is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Hospitalist Services Of America?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Hospitalist Services Of America. 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 Hospitalist Services Of America was last updated on December 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.