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ROBERT B. KOSER, M.D.P.A.
NPI 1861658528
Family Medicine in Bradenton, FL

Active since August 01, 2008CLIA 10D0973847 · Waiver
5939 17TH AVE W, BRADENTON, FL 34209(941) 795-1135(941) 795-7373 Get Directions Write a Review

NPPES record last updated: March 19, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Robert B. Koser, M.d.p.a. NPPES

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

ROBERT B. KOSER, M.D.P.A. (NPI 1861658528) is a healthcare organization registered as a family medicine in Bradenton, Florida and active in the NPI registry since August 2008. The organization holds a CLIA Waiver certificate valid through May 21, 2028 and lists Robert B Koser, President, as its authorized official.

NPPES Registry Identity

NPI1861658528
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameROBERT B. KOSER, M.D.P.A.
Location Address5939 17TH AVE WBradenton, FL 34209-7836
Mailing Address5939 17th Ave WBradenton, FL 34209-7836 · (941) 795-1135 · Fax (941) 795-7373
Phone(941) 795-1135
Fax(941) 795-7373
Organization SubpartNo
Authorized OfficialRobert B KoserPresident · (941) 795-1135
Enumeration DateAugust 1, 2008
Last NPPES UpdateMarch 19, 2013
✔ NPI 1861658528 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in FL · ME0045278
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
5939 17TH AVE W, Bradenton, FL 34209
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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)

Robert B. Koser, M.d.p.a. 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 Robert B. Koser, M.D.P.A., which bills Medicare for the services this clinician delivers.

Clinician (1)

Robert Koser, MD PA
Family Practice
NPI 1861409377
5939 17TH AVE W
Bradenton, FL 34209
(941) 795-1135
✔ 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.

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 10D0973847

Robert B Koser MD PA · Bradenton, FL
Active · expires May 21, 2028
CLIA Number10D0973847
Laboratory TypePhysician Office
Certificate Effective DateMay 22, 2026
Certificate Expiration DateMay 21, 2028
Laboratory DirectorRobert B. Koser MD
Laboratory Phone(941) 795-1135
Laboratory LocationRobert B Koser MD PA5939 W 17 Ave, Bradenton, FL 34209
CLIA data matches this NPI record on: Phone
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 Robert B. Koser, M.D.P.A.'s NPI number?

The NPI number for Robert B. Koser, M.D.P.A. is 1861658528. It was assigned to this organization in the NPPES registry on August 1, 2008.

Where is Robert B. Koser, M.D.P.A. located?

Robert B. Koser, M.D.P.A. is located at 5939 17th Ave W, Bradenton, FL 34209. The listed phone number is (941) 795-1135.

What is Robert B. Koser, M.D.P.A.'s specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Robert B. Koser, M.D.P.A. enrolled in Medicare?

Yes. Robert B. Koser, M.D.P.A. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Robert B. Koser, M.D.P.A.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Robert B. Koser, M.D.P.A.. 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.

Does Robert B. Koser, M.D.P.A. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 10D0973847) is associated with this NPI, valid through May 21, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Robert B. Koser, M.D.P.A. was last updated on March 19, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.