Nan-Ning Chang, M.D.
NPI 1780687418 · Cardiovascular Disease Physician · Oakland Gardens, NY
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nan-Ning Chang, M.D. is a Cardiovascular Disease Physician provider in Oakland Gardens, NY (NPI 1780687418).
Provider details
- NPI number
- 1780687418
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 203366 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
21 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
738 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 228 | $146 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 137 | $16 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 133 | $228 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 67 | $104 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 49 | $191 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 69 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 1,073 | 281 |
| Apixabanbrand: Eliquis | 519 | 119 |
| Amlodipine Besylate | 442 | 133 |
| Losartan Potassium | 439 | 127 |
| Atorvastatin Calcium | 419 | 113 |
| Dronedarone Hclbrand: Multaq | 278 | 63 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-05-26
- Last updated
- 2007-07-09
Frequently asked questions
- What is Nan-Ning Chang's NPI number?
- Nan-Ning Chang's National Provider Identifier (NPI) is 1780687418, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nan-Ning Chang's specialty?
- Nan-Ning Chang is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Nan-Ning Chang located?
- Nan-Ning Chang's practice location on file with NPPES is 5650 Francis Lewis Blvd, Oakland Gardens, NY 11364-1635.
- What is Nan-Ning Chang's phone number?
- The practice phone number listed in the NPPES registry for Nan-Ning Chang is (718) 766-9311.
- Does Nan-Ning Chang accept Medicare?
- Nan-Ning Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nan-Ning Chang's NPI active?
- Yes — Nan-Ning Chang's NPI (1780687418) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.