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Physician Assistant

Tanya N. Thielen, PA

Works at hospitals in Harvey, IL · Chicago, IL · La Grange, IL · Illinois

Summary

Tanya N. Thielen, PA is a physician assistant at 14290 S La Grange Rd, Orland Park, IL 60462. Phone: (888) 824-0200. Accepts Medicare assignment. In 2024, Tanya N. Thielen had 213 Original Medicare patients and 392 services. NPI 1568913382. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Tanya N. Thielen, 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 Tanya N. Thielen accept Medicare assignment?
Yes. Medicare's clinician data says Tanya N. Thielen 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 Tanya N. Thielen see?
In 2024, CMS data shows 213 Original Medicare patients and 392 services for Tanya N. Thielen. This counts Original Medicare only and measures volume, not quality.
What is Tanya N. Thielen's NPI number?
1568913382. 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 Tanya N. Thielen, 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 patients213
Services billed to Medicare392
Different services or procedures22
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. X-ray of knee, 3 views (73562)98 services
  2. X-ray of hip, 2-3 views (73502)70 services
  3. Replacement of knee joint, both sides of knee (27447)54 services
  4. Replacement of thigh bone and hip joint with prosthesis (27130)46 services
  5. X-ray of pelvis, 1-2 views (72170)25 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 cholesterol75%
  • Arthritis75%
  • High blood pressure68%
  • Ischemic heart disease25%
  • Anxiety22%
  • Diabetes17%

Hospitals where Tanya N. Thielen works

Medicare's Facility Affiliation Data lists Tanya N. Thielen 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.

Practice locations

Addresses where Tanya N. Thielen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Tanya N. Thielen as a member of this group (CMS data updated October 2, 2026).

  • University of Chicago1,712 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Illinois →

Other physician assistants in Orland Park

Clinicians with the same Medicare primary specialty in Orland Park, IL — not a recommendation.

All physician assistants in Orland Park →

Other clinicians in University of Chicago

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

Clinician information

CredentialPA
Graduation year2016
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1568913382
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