Joseph Chang, M.D.
NPI 1679671283 · Internal Medicine Physician · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Chang, M.D. is a Internal Medicine Physician provider in New York, NY (NPI 1679671283).
Provider details
- NPI number
- 1679671283
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 196362 (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
19 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
959 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 | 252 | $148 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 182 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 109 | $155 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 101 | $106 |
| 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'SG2211 | 91 | $19 |
| Admn Sarscov2 Vacc 1 Dose |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 169 | 54 |
| Atorvastatin Calcium | 131 | 35 |
| Losartan Potassium | 71 | 23 |
| Amlodipine Besylate | 68 | 23 |
| Lisinopril | 42 | 13 |
| Omeprazole | 38 | 14 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2019-03-14
Frequently asked questions
- What is Joseph Chang's NPI number?
- Joseph Chang's National Provider Identifier (NPI) is 1679671283, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Chang's specialty?
- Joseph Chang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Chang located?
- Joseph Chang's practice location on file with NPPES is 2315 Broadway, New York, NY 10024-4332.
- What is Joseph Chang's phone number?
- The practice phone number listed in the NPPES registry for Joseph Chang is (646) 962-2110.
- Does Joseph Chang accept Medicare?
- Joseph Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Chang's NPI active?
- Yes — Joseph Chang's NPI (1679671283) is active in the NPPES registry as of the last update on 2019-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.