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PST FLORIDA 2009 LLC
NPI 1134423072
Internal Medicine in Ocala, FL

Active since January 07, 2011CLIA 10D2032202 · Waiver
3300 SW 34TH AVE, SUITE 116, OCALA, FL 34474(877) 896-9301 Get Directions Write a Review

NPPES record last updated: January 7, 2011. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Pst Florida 2009 Llc NPPES

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

PST FLORIDA 2009 LLC (NPI 1134423072) is a healthcare organization registered as an internal medicine in Ocala, Florida and active in the NPI registry since January 2011. The organization holds a CLIA Waiver certificate valid through November 6, 2027 and lists Michael Grischkan, Ceo, as its authorized official.

NPPES Registry Identity

NPI1134423072
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NamePST FLORIDA 2009 LLC
Location Address3300 SW 34TH AVE, SUITE 116Ocala, FL 34474-7448
Mailing Address3300 Sw 34th Ave, Suite 116Ocala, FL 34474-7448 · (877) 896-9301
Phone(877) 896-9301
Organization SubpartNo
Authorized OfficialMichael GrischkanCeo · (216) 896-9301
Enumeration DateJanuary 7, 2011
✔ NPI 1134423072 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.
3300 SW 34TH AVE, Ocala, FL 34474
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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)

Pst Florida 2009 Llc 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 Pst Florida 2009 LLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Linda Perkins, ARNP
Nurse Practitioner
NPI 1629496278
3300 SW 34TH AVE SUITE 116
Ocala, FL 34474
(352) 789-6616
✔ PECOSSame address
Casey Chapman, FNP
Nurse Practitioner
NPI 1558973511
724 NW 43RD ST
Gainesville, FL 32607
(352) 332-7222
✔ PECOS✔ Accepts Medicare37 mi
Mary Riedy, ARNP
Nurse Practitioner
NPI 1982035598
1600 LAKELAND HILLS BLVD
Lakeland, FL 33805
(863) 680-7000
✔ PECOS✔ Accepts Medicare76 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 10D2032202

Pst Florida 2009 LLC · Ocala, FL
Active · expires Nov 6, 2027
CLIA Number10D2032202
Laboratory TypePhysician Office
Certificate Effective DateNovember 7, 2025
Certificate Expiration DateNovember 6, 2027
Laboratory DirectorMichael Grischkan
Laboratory Phone(352) 789-6616
Laboratory LocationPst Florida 2009 LLC1740 SE 18th Street Suite 1201, Ocala, FL 34471
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

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 Pst Florida 2009 LLC's NPI number?

The NPI number for Pst Florida 2009 LLC is 1134423072. It was assigned to this organization in the NPPES registry on January 7, 2011.

Where is Pst Florida 2009 LLC located?

Pst Florida 2009 LLC is located at 3300 SW 34th Ave Suite 116, Ocala, FL 34474. The listed phone number is (877) 896-9301.

What is Pst Florida 2009 LLC's specialty?

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

Is Pst Florida 2009 LLC enrolled in Medicare?

Yes. Pst Florida 2009 LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Pst Florida 2009 LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Nurse Practitioner, reassign their Medicare billing to Pst Florida 2009 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. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Pst Florida 2009 LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 10D2032202) is associated with this NPI, valid through November 6, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Pst Florida 2009 LLC was last updated on January 7, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.