Regis Chang, M.D.
NPI 1295261345 · Hospitalist Physician · Flushing, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Regis Chang, M.D. is a Hospitalist Physician provider in Flushing, NY (NPI 1295261345).
Provider details
- NPI number
- 1295261345
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 305898 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 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
524 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 327 | $137 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 93 | $91 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 92 | $133 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 12 | $196 |
Typical Medicare-allowed amounts for these services range $91–$196 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 37 | 14 |
| Atorvastatin Calcium | 32 | 20 |
| Pantoprazole Sodium | 20 | 14 |
| Metoprolol Succinate | 17 | — |
| Clopidogrel Bisulfatebrand: Clopidogrel | 15 | — |
| Tamsulosin Hcl | 15 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-05-11
- Last updated
- 2025-07-18
- Certified
- 2025-07-18
Frequently asked questions
- What is Regis Chang's NPI number?
- Regis Chang's National Provider Identifier (NPI) is 1295261345, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Regis Chang's specialty?
- Regis Chang is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Regis Chang located?
- Regis Chang's practice location on file with NPPES is 5645 Main St, Flushing, NY 11355-5045.
- What is Regis Chang's phone number?
- The practice phone number listed in the NPPES registry for Regis Chang is (718) 670-1047.
- Does Regis Chang accept Medicare?
- Regis Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Regis Chang's NPI active?
- Yes — Regis Chang's NPI (1295261345) is active in the NPPES registry as of the last update on 2025-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.