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Obstetrics/Gynecology

Diana M. Saitis, MD

Works at hospitals in Kenosha, WI · Wisconsin

Summary

Dr. Diana M. Saitis, MD is an OB-GYN at 2323 N Lake Dr, Milwaukee, WI 53211. Phone: (864) 908-3530. May accept Medicare assignment. In 2024, Diana M. Saitis had 49 Original Medicare patients and 97 services. NPI 1417177783. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 2323 N Lake Dr, Milwaukee, WI 53211 · Directions (2 more locations)
  • Phone: (864) 908‑3530
  • Medicare: May accept Medicare assignment
  • Hospital: Froedtert South Inc.
  • Group practice: Froedtert South Inc (+1 more)
  • Medical school: graduated 1999 (27 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Diana M. Saitis, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Diana M. Saitis accept Medicare assignment?
Medicare's clinician data says Diana M. Saitis may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Diana M. Saitis see?
In 2024, CMS data shows 49 Original Medicare patients and 97 services for Diana M. Saitis. This counts Original Medicare only and measures volume, not quality.
What is Diana M. Saitis's NPI number?
1417177783. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Diana M. Saitis, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients49
Services billed to Medicare97
Different services or procedures24
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)30 services
  2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)13 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure63%
  • High cholesterol57%
  • Arthritis43%

Hospitals where Diana M. Saitis works

Medicare's Facility Affiliation Data lists Diana M. Saitis at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Froedtert South Inc.Kenosha, WI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 520021

Practice locations

Addresses where Diana M. Saitis is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Diana M. Saitis as a member of these groups (CMS data updated October 2, 2026).

  • Froedtert South Inc161 clinicians in the group
  • Obhg Wisconsin SC13 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Wisconsin →

Other OB-GYNs in Milwaukee

Clinicians with the same Medicare primary specialty in Milwaukee, WI — not a recommendation.

All OB-GYNs in Milwaukee →

Other clinicians in Froedtert South Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1999 (27 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1417177783
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians