Quick answers
- Does Janice R. Liu accept Medicare assignment?
- Yes. Medicare's clinician data says Janice R. Liu 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 Janice R. Liu see?
- In 2024, CMS data shows 98 Original Medicare patients and 352 services for Janice R. Liu. This counts Original Medicare only and measures volume, not quality.
- What is Janice R. Liu's NPI number?
- 1699868752. 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 Janice R. Liu, 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 | 98 |
|---|---|
| Services billed to Medicare | 352 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)141 services
- Pelvic exam (99459)43 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)41 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)19 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)18 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 cholesterol72%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)62%
- Arthritis46%
- Chronic kidney disease38%
- Anxiety30%
Hospitals where Janice R. Liu works
Medicare's Facility Affiliation Data lists Janice R. Liu 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.
- Chelsea HospitalChelsea, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230259
- St Joe Mercy Hospital System LivoniaLivonia, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230002
- Trinity Health Ann Arbor HospitalAnn Arbor, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230156
- Trinity Health Livingston HospitalBrighton, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230069
- Trinity Health Oakland HospitalPontiac, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230029
Practice locations
Addresses where Janice R. Liu is enrolled with Medicare (CMS data updated October 2, 2026).
- 44428 Woodward Ave, Suite 102Pontiac, MI 48341 (734) 712‑8700
- 51341 W Huron River DrVan Buren, MI 48111
- 5301 E Huron River DrYpsilanti, MI 48197
- 5301 McAuley DrYpsilanti, MI 48197
- 5303 Elliott Dr, Suite 202Ypsilanti, MI 48197 (734) 712‑2005
Group practices
Medicare enrollment lists Janice R. Liu as a member of this group (CMS data updated October 2, 2026).
- Iha Health Services Corporation1,168 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
- Gynecological Oncologyalso
Other OB-GYNs in Pontiac
Clinicians with the same Medicare primary specialty in Pontiac, MI — not a recommendation.
Other clinicians in Iha Health Services Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Vanderbilt University School Of Medicine |
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1699868752 |
| 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