Richard Chang, M.D.
NPI 1427104686 · Rheumatology Physician · Miami, FL
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Chang, M.D. is a Rheumatology Physician provider in Miami, FL (NPI 1427104686).
Provider details
- NPI number
- 1427104686
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- ME59505 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
2,476 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 948 | $134 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 288 | $66 |
| 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 | 276 | $17 |
| Administration of Non-Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96401 | 259 | $74 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 247 | $95 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 82 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 617 | 137 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 416 | 47 |
| Gabapentin | 406 | 95 |
| Tramadol Hcl | 342 | 80 |
| Prednisone | 307 | 101 |
| Lidocaine/Prilocainebrand: Lidocaine-Prilocaine | 295 | 150 |
| Methotrexate Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$596 across 37 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
- 2007-01-28
- Last updated
- 2010-06-25
Frequently asked questions
- What is Richard Chang's NPI number?
- Richard Chang's National Provider Identifier (NPI) is 1427104686, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Chang's specialty?
- Richard Chang is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Chang located?
- Richard Chang's practice location on file with NPPES is 10820 Sw 113th Pl, Miami, FL 33176-3227.
- What is Richard Chang's phone number?
- The practice phone number listed in the NPPES registry for Richard Chang is (305) 270-8083.
- Does Richard Chang accept Medicare?
- Richard Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Chang's NPI active?
- Yes — Richard Chang's NPI (1427104686) is active in the NPPES registry as of the last update on 2010-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.