Bernard Chang, MD
NPI 1215933197 · Ophthalmology Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bernard Chang, MD is a Ophthalmology Physician provider in Nashville, TN (NPI 1215933197).
Provider details
- NPI number
- 1215933197
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 38672 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
3,289 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 | 863 | $121 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 498 | $85 |
| Imaging of Retina92134 | 431 | $37 |
| Ultrasound Scan of Cornea to Determine Thickness76514 | 187 | $10 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 178 | $504 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 176 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 357 | 102 |
| Prednisolone Acetate | 355 | 188 |
| Moxifloxacin Hclbrand: Moxifloxacin | 197 | 108 |
| Timolol Maleate | 190 | 62 |
| Brimonidine Tartrate | 123 | 56 |
| Bimatoprostbrand: Lumigan | 111 | 33 |
| Bromfenac Sodium | 105 | 67 |
| Dorzolamide Hcl/Timolol Maleat |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$604 across 26 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
- 2005-06-24
- Last updated
- 2024-12-19
- Certified
- 2024-12-19
Frequently asked questions
- What is Bernard Chang's NPI number?
- Bernard Chang's National Provider Identifier (NPI) is 1215933197, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bernard Chang's specialty?
- Bernard Chang is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Bernard Chang located?
- Bernard Chang's practice location on file with NPPES is 335 24th Ave N Ste 600, Nashville, TN 37203-1503.
- What is Bernard Chang's phone number?
- The practice phone number listed in the NPPES registry for Bernard Chang is (615) 320-7200.
- Does Bernard Chang accept Medicare?
- Bernard Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bernard Chang's NPI active?
- Yes — Bernard Chang's NPI (1215933197) is active in the NPPES registry as of the last update on 2024-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.