DR. MARTIN P. IWANOWSKI DO
NPI 1164837688
Emergency Medicine in Clearwater, FL
About Dr. Martin P. Iwanowski Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARTIN P. IWANOWSKI DO (NPI 1164837688) is an individual emergency medicine provider in Clearwater, Florida, licensed in Georgia (6817) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, is affiliated with Morton Plant Hospital, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Martin P. Iwanowski Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Martin Iwanowski reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Clearwater, FL 33756
- Reassigned Medicare billing, Florida enrollment
- 40 clinicians in this Medicare group
New Port Richey, FL 34652
- Reassigned Medicare billing, Florida enrollment
- 41 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Morton Plant Hospital
Acute Care Hospitals · Clearwater, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33756 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Martin Iwanowski's NPI number?
The NPI number for Martin Iwanowski is 1164837688. It was assigned to this individual provider in the NPPES registry on June 23, 2014.
Where is Martin Iwanowski located?
Martin Iwanowski practices at 300 Pinellas St # Ms -36, Clearwater, FL 33756. The listed phone number is (727) 298-6612.
What is Martin Iwanowski's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Martin Iwanowski enrolled in Medicare?
Yes. Martin Iwanowski is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Martin Iwanowski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Martin Iwanowski reassigns Medicare benefits to 2 organizations: Bay Area Emergency Physicians LLC (Clearwater, FL) and Pasco County Emergency Physicians LLC (New Port Richey, FL). Each 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 Martin Iwanowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Martin Iwanowski affiliated with any hospitals?
According to CMS data, Martin Iwanowski is affiliated with Morton Plant Hospital.
When was this NPI record last updated?
The NPPES record for Martin Iwanowski was last updated on July 21, 2022. 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.
# Dr. Martin P. Iwanowski, DO · NPI 1164837688
Emergency Medicine physician in Clearwater, Florida. Individual provider, active in the CMS NPPES registry since June 23, 2014.
## Identity
- **NPI:** 1164837688 (Entity type: Individual)
- **Enumerated:** June 23, 2014
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 6817 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PINELLAS ST # MS -36, Clearwater, FL 33756-3804
- **Phone:** (727) 298-6612
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Bay Area Emergency Physicians LLC (NPI 1164459095, Clearwater, FL); Pasco County Emergency Physicians LLC (NPI 1568771707, New Port Richey, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** July 21, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1164837688) · Data from the CMS NPPES public registry.