Stanley Tam, MD
NPI 1942291570 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Cardiac Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stanley Tam, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Worcester, MA (NPI 1942291570).
Provider details
- NPI number
- 1942291570
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 55552 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
306 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Coronary Artery Bypass Using Artery Graft, 1 Graft33533 | 75 | $1,710 |
| Harvest of Vein Using an Endoscope33508 | 72 | $16 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 33 | $176 |
| Coronary Artery Bypass Using Vein Or Artery Graft, 2 Grafts33518 | 32 | $410 |
| Coronary Artery Bypass Using Vein Or Artery Graft, 3 Grafts33519 | 19 | $543 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 19 | $237 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$86 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-02
- Last updated
- 2011-04-11
Frequently asked questions
- What is Stanley Tam's NPI number?
- Stanley Tam's National Provider Identifier (NPI) is 1942291570, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stanley Tam's specialty?
- Stanley Tam is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Stanley Tam located?
- Stanley Tam's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Stanley Tam's phone number?
- The practice phone number listed in the NPPES registry for Stanley Tam is (508) 334-3962.
- Does Stanley Tam accept Medicare?
- Stanley Tam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stanley Tam's NPI active?
- Yes — Stanley Tam's NPI (1942291570) is active in the NPPES registry as of the last update on 2011-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.