Christine Chang, MD
NPI 1477529857 · Geriatric Medicine (Internal Medicine) Physician · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christine Chang, MD is a Geriatric Medicine (Internal Medicine) Physician provider in New York, NY (NPI 1477529857).
Provider details
- NPI number
- 1477529857
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 2291261 (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
20 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
1,510 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 | 210 | $106 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 167 | $55 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 120 | $106 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 120 | $158 |
| Complex Chronic Care Management Services for Two Or More Chronic Conditions, First 60 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99487 | 91 | $98 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 60 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 262 | 81 |
| Levothyroxine Sodium | 114 | 30 |
| Amlodipine Besylate | 112 | 38 |
| Metoprolol Succinate | 103 | 26 |
| Losartan Potassium | 96 | 27 |
| Apixabanbrand: Eliquis | 80 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-27
- Last updated
- 2014-10-28
Frequently asked questions
- What is Christine Chang's NPI number?
- Christine Chang's National Provider Identifier (NPI) is 1477529857, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christine Chang's specialty?
- Christine Chang is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Christine Chang located?
- Christine Chang's practice location on file with NPPES is 1440 Madison Ave, New York, NY 10029-6508.
- What is Christine Chang's phone number?
- The practice phone number listed in the NPPES registry for Christine Chang is (212) 659-8552.
- Does Christine Chang accept Medicare?
- Christine Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christine Chang's NPI active?
- Yes — Christine Chang's NPI (1477529857) is active in the NPPES registry as of the last update on 2014-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.