Quick answers
- Does Anna Maria M. Tan accept Medicare assignment?
- Yes. Medicare's clinician data says Anna Maria M. 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 Anna Maria M. Tan see?
- In 2024, CMS data shows 98 Original Medicare patients and 521 services for Anna Maria M. Tan. This counts Original Medicare only and measures volume, not quality.
- What is Anna Maria M. Tan's NPI number?
- 1154741858. 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 Anna Maria M. 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 | 98 |
|---|---|
| Services billed to Medicare | 521 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Removal of skin and tissue, 20.0 sq cm or less (11042)163 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)38 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)32 services
- Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)29 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)28 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%
- Diabetes75%
- Chronic kidney disease68%
- Arthritis59%
- Heart failure51%
Hospitals where Anna Maria M. Tan works
Medicare's Facility Affiliation Data lists Anna Maria M. 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.
- Emanate Health Foothill Presbyterian HospitalGlendora, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 050597
- Emanate Health Inter-Community HospitalCovina, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050382
Practice locations
Addresses where Anna Maria M. Tan is enrolled with Medicare (CMS data updated October 2, 2026).
- 1115 S Sunset AveWest Covina, CA 91790
- 412 W Carroll Ave, Suite 108Glendora, CA 91741 (626) 852‑0411
Group practices
Medicare enrollment lists Anna Maria M. Tan as a member of this group (CMS data updated October 2, 2026).
- Emanate Health Medical Care Foundation86 clinicians in the group
Specialties
- Podiatryprimary
Other podiatrists in West Covina
Clinicians with the same Medicare primary specialty in West Covina, CA — not a recommendation.
Other clinicians in Emanate Health Medical Care Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Podiatric medical school | California School Of Podiatric Medicine |
| Graduation year | 2014 (12 years since podiatric medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1154741858 |
| 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