STEPHEN EDWARD MITTELDORF MD
NPI 1821071705
Internal Medicine in Sarasota, FL
About Stephen Edward Mitteldorf Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN EDWARD MITTELDORF MD (NPI 1821071705) is an individual internal medicine provider in Sarasota, Florida, licensed in Florida (ME78671) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1970).
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
Stephen Edward Mitteldorf Md 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 Stephen Mitteldorf 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
- 74 clinicians in this Medicare group
Clearwater, FL 33759
- Reassigned Medicare billing, Florida enrollment
- 903 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 34243 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SARASOTA, FL 34243
SARASOTA, FL 34243
SARASOTA, FL 34243
SARASOTA, FL 34243
SARASOTA, FL 34243
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 Stephen Mitteldorf's NPI number?
The NPI number for Stephen Mitteldorf is 1821071705. It was assigned to this individual provider in the NPPES registry on November 23, 2005.
Where is Stephen Mitteldorf located?
Stephen Mitteldorf practices at 2401 University Pkwy Suite 202, Sarasota, FL 34243. The listed phone number is (941) 351-9995.
What is Stephen Mitteldorf's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Stephen Mitteldorf enrolled in Medicare?
Yes. Stephen Mitteldorf 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 Stephen Mitteldorf's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Mitteldorf reassigns Medicare benefits to 2 organizations: 24 On Physicians, PC (Clearwater, FL) and Inpatient Consultants Of Florida, Inc (Clearwater, 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 Stephen Mitteldorf's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Stephen Mitteldorf was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.