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MICHAEL A ZIMMER M D P L C
NPI 1558476549
Internal Medicine in St Petersburg, FL

Active since August 20, 2006
509 JACKSON ST N, ST PETERSBURG, FL 33705(727) 820-7800(727) 820-7801 Get Directions Write a Review

NPPES record last updated: April 12, 2018. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Michael A Zimmer M D P L C NPPES

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

MICHAEL A ZIMMER M D P L C (NPI 1558476549) is a healthcare organization registered as an internal medicine in St Petersburg, Florida and active in the NPI registry since August 2006. The organization lists Michael A Zimmer, Owner, as its authorized official.

NPPES Registry Identity

NPI1558476549
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMICHAEL A ZIMMER M D P L C
Location Address509 JACKSON ST NSt Petersburg, FL 33705-1477
Mailing Address509 Jackson St NSt Petersburg, FL 33705-1477 · (727) 820-7800 · Fax (727) 820-7801
Phone(727) 820-7800
Fax(727) 820-7801
Organization SubpartNo
Authorized OfficialMichael A ZimmerOwner · (727) 820-7800
Enumeration DateAugust 20, 2006
Last NPPES UpdateApril 12, 2018
✔ NPI 1558476549 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.
509 JACKSON ST N, St Petersburg, FL 33705
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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)

Michael A Zimmer M D P L C is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Michael A Zimmer M D P L C, which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Cheryl Dyrhaug, DNP ARNP-C
Nurse Practitioner
NPI 1417241159
509 JACKSON ST N
St Petersburg, FL 33705
(727) 820-7800
✔ PECOSSame address
Gina Scaggs, NP-C
Nurse Practitioner
NPI 1043274848
509 JACKSON ST N
St Petersburg, FL 33705
(727) 820-7800
✔ PECOSSame address
Michael Zimmer, MD
Internal Medicine
NPI 1043214950
509 JACKSON ST N
St Petersburg, FL 33705
(727) 820-7800
✔ 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 Michael A Zimmer M D P L C's NPI number?

The NPI number for Michael A Zimmer M D P L C is 1558476549. It was assigned to this organization in the NPPES registry on August 20, 2006.

Where is Michael A Zimmer M D P L C located?

Michael A Zimmer M D P L C is located at 509 Jackson St N, St Petersburg, FL 33705. The listed phone number is (727) 820-7800.

What is Michael A Zimmer M D P L C's specialty?

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

Is Michael A Zimmer M D P L C enrolled in Medicare?

Yes. Michael A Zimmer M D P L C is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Michael A Zimmer M D P L C?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Michael A Zimmer M D P L C, in Internal Medicine and Nurse Practitioner. 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. Of these, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Michael A Zimmer M D P L C was last updated on April 12, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.