Walter Tan, M.D.
NPI 1821010067 · Interventional Cardiology Physician · Raleigh, NC
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walter Tan, M.D. is a Interventional Cardiology Physician provider in Raleigh, NC (NPI 1821010067).
Provider details
- NPI number
- 1821010067
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 200201012 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
19 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
197 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 80 | $74 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes99152 | 32 | $11 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 31 | $122 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 20 | $107 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 18 | $116 |
| Insertion of Tube in Coronary Artery for Diagnosis With Review By Radiologist93454 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 69 | 24 |
| Carvedilol | 58 | 19 |
| Rosuvastatin Calcium | 51 | 18 |
| Atorvastatin Calcium | 49 | 15 |
| Metoprolol Succinate | 44 | 15 |
| Spironolactone | 44 | 15 |
| Ezetimibe | 40 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$100 across 2 records (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
- 2006-07-24
- Last updated
- 2015-03-24
Frequently asked questions
- What is Walter Tan's NPI number?
- Walter Tan's National Provider Identifier (NPI) is 1821010067, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Tan's specialty?
- Walter Tan is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Walter Tan located?
- Walter Tan's practice location on file with NPPES is 3000 New Bern Ave Ste 1100, Raleigh, NC 27610-1231.
- What is Walter Tan's phone number?
- The practice phone number listed in the NPPES registry for Walter Tan is (919) 232-5202.
- Does Walter Tan accept Medicare?
- Walter Tan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walter Tan's NPI active?
- Yes — Walter Tan's NPI (1821010067) is active in the NPPES registry as of the last update on 2015-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.