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Internal Medicine

Natalia Dorf-Biderman, MD

Works at hospitals in Saint Louis Park, MN · Minnesota

Summary

Dr. Natalia Dorf-Biderman, MD is an internal medicine doctor at 5320 Hyland Greens Dr, Bloomington, MN 55437. Phone: (952) 993-2400. Accepts Medicare assignment. In 2024, Natalia Dorf-Biderman had 88 Original Medicare patients and 208 services. NPI 1548453947. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 5320 Hyland Greens Dr, Bloomington, MN 55437 · Directions (1 more location)
  • Phone: (952) 993‑2400
  • Medicare: Accepts Medicare assignment
  • Hospital: Park Nicollet Methodist Hospital
  • Group practice: Park Nicollet Clinic
  • Medical school: graduated 2002 (24 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Natalia Dorf-Biderman, 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 Natalia Dorf-Biderman accept Medicare assignment?
Yes. Medicare's clinician data says Natalia Dorf-Biderman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Natalia Dorf-Biderman see?
In 2024, CMS data shows 88 Original Medicare patients and 208 services for Natalia Dorf-Biderman. This counts Original Medicare only and measures volume, not quality.
What is Natalia Dorf-Biderman's NPI number?
1548453947. 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 Natalia Dorf-Biderman, 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 patients88
Services billed to Medicare208
Different services or procedures9
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)87 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)43 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)36 services
  4. Hospital discharge day management, more than 30 minutes (99239)33 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 pressure75%
  • High cholesterol75%
  • Depression48%
  • Arthritis45%
  • Chronic kidney disease45%
  • Anxiety41%

Hospitals where Natalia Dorf-Biderman works

Medicare's Facility Affiliation Data lists Natalia Dorf-Biderman 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.

  • Park Nicollet Methodist HospitalSaint Louis Park, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240053

Practice locations

Addresses where Natalia Dorf-Biderman is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Natalia Dorf-Biderman as a member of this group (CMS data updated October 2, 2026).

  • Park Nicollet Clinic1,787 clinicians in the group

Specialties

Find other Internal Medicine doctors in Minnesota →

Other internal medicine doctors in Bloomington

Clinicians with the same Medicare primary specialty in Bloomington, MN — not a recommendation.

All internal medicine doctors in Bloomington →

Other clinicians in Park Nicollet Clinic

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

Clinician information

CredentialMD
Graduation year2002 (24 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548453947
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