Quick answers
- Does Lana Tsao accept Medicare assignment?
- Yes. Medicare's clinician data says Lana Tsao 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 Lana Tsao see?
- In 2024, CMS data shows 450 Original Medicare patients and 2,009 services for Lana Tsao. This counts Original Medicare only and measures volume, not quality.
- What is Lana Tsao's NPI number?
- 1467555466. 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 Lana Tsao, 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 | 450 |
|---|---|
| Services billed to Medicare | 2,009 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)534 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)505 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)405 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)193 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)76 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%
- Ischemic heart disease75%
- Heart failure75%
- Chronic kidney disease60%
- Atrial fibrillation54%
Hospitals where Lana Tsao works
Medicare's Facility Affiliation Data lists Lana Tsao 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.
- Brigham and Women's HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220110
- Emerson Hospital -W Concord, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220084
- Massachusetts General HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220071
- Newton-Wellesley HospitalNewton, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220101
- North Shore Medical Center -Salem, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220035
Practice locations
Addresses where Lana Tsao is enrolled with Medicare (CMS data updated October 2, 2026).
- 102 Endicott St, Mgh North Shore MedicalDanvers, MA 01923 (978) 882‑6100
- 55 Fruit StBoston, MA 02114 (617) 724‑0287
Group practices
Medicare enrollment lists Lana Tsao as a member of this group (CMS data updated October 2, 2026).
- Massachusetts General Physicians Organization Inc3,558 clinicians in the group
Specialties
- Adult Congenital Heart Disease (ACHD)primary
- Cardiovascular Disease (Cardiology)also
- Internal Medicinealso
Find other Adult Congenital Heart Disease (ACHD) doctors in Massachusetts →
Other adult congenital heart disease cardiologists in Danvers
Clinicians with the same Medicare primary specialty in Danvers, MA — not a recommendation.
All adult congenital heart disease cardiologists in Danvers →
Other clinicians in Massachusetts General Physicians Organization Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Vermont College Of Medicine |
| Graduation year | 1990 (36 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) | 1467555466 |
| 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