John Wang, M.D.
NPI 1396739009 · Interventional Cardiology Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Wang, M.D. is a Interventional Cardiology Physician provider in Baltimore, MD (NPI 1396739009).
Provider details
- NPI number
- 1396739009
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0061276 (MD)
Specialties & taxonomies
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
21 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
676 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) |
|---|---|---|
| Insertion of Tube in Left Lower Heart Chamber and Coronary Artery for Diagnosis With Review By Radiologist93458 | 115 | $281 |
| Insertion of Tube in Right Heart Chambers and Coronary Artery for Diagnosis With Review By Radiologist93456 | 114 | $290 |
| Insertion of Stents With Balloon Dilation of Coronary Artery Or Branch, Single Artery Or Branch92928 | 106 | $568 |
| Insertion of Tube in Coronary Artery for Diagnosis With Review By Radiologist93454 | 91 | $147 |
| Replacement of Aortic Valve Through the Skin and Femoral Artery33361 | 58 | $772 |
| Insertion of Tube in Right and Left Heart Chambers and Coronary Artery for Diagnosis With Review By Radiologist |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,806 across 45 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
- 2005-09-08
- Last updated
- 2016-03-22
Frequently asked questions
- What is John Wang's NPI number?
- John Wang's National Provider Identifier (NPI) is 1396739009, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Wang's specialty?
- John Wang is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Wang located?
- John Wang's practice location on file with NPPES is 201 E University Pkwy, Baltimore, MD 21218-2829.
- What is John Wang's phone number?
- The practice phone number listed in the NPPES registry for John Wang is (410) 554-2332.
- Does John Wang accept Medicare?
- John Wang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Wang's NPI active?
- Yes — John Wang's NPI (1396739009) is active in the NPPES registry as of the last update on 2016-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.