Quick answers
- Does Candice Ann A. Tan accept Medicare assignment?
- Yes. Medicare's clinician data says Candice Ann A. Tan 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 Candice Ann A. Tan see?
- In 2024, CMS data shows 158 Original Medicare patients and 264 services for Candice Ann A. Tan. This counts Original Medicare only and measures volume, not quality.
- What is Candice Ann A. Tan's NPI number?
- 1841745312. 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 Candice Ann A. Tan, 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 patients | 158 |
|---|---|
| Services billed to Medicare | 264 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Telephone medical discussion with physician, 11-20 minutes (99442)81 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)56 services
- Ultrasound measurement of bladder capacity after voiding (51798)21 services
- Automated urinalysis test (81003)17 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)15 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 cholesterol71%
- Arthritis48%
- Chronic kidney disease38%
- Ischemic heart disease34%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)33%
Hospitals where Candice Ann A. Tan works
Medicare's Facility Affiliation Data lists Candice Ann A. Tan 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.
- Ingalls Memorial HospitalHarvey, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140191
- The University of Chicago Medical CenterChicago, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140088
- UChicago Medicine Northwest IndianaCrown Point, IN · Acute Care Hospital · Emergency services: listed by Medicare · CCN 150195
Practice locations
Addresses where Candice Ann A. Tan is enrolled with Medicare (CMS data updated October 2, 2026).
- 1101 S Canal St, Suite 201Chicago, IL 60607 (877) 336‑5667
- 355 E Grand AveChicago, IL 60611 (888) 824‑0200
- 400 Skokie Blvd, Suite 300Northbrook, IL 60062 (888) 824‑0200
- 5841 S Maryland AveChicago, IL 60637 (773) 702‑1000
Group practices
Medicare enrollment lists Candice Ann A. Tan as a member of these groups (CMS data updated October 2, 2026).
- University of Chicago1,712 clinicians in the group
- The University of Chicago Medical Center915 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Other clinicians in University of Chicago
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2020 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1841745312 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians