Eric Chang, M.D.
NPI 1477996031 · Nephrology Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Chang, M.D. is a Nephrology Physician provider in Sacramento, CA (NPI 1477996031).
Provider details
- NPI number
- 1477996031
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A152903 (CA)
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
13 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
2,201 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) |
|---|---|---|
| Dialysis Services, Per Day, Less Than Full Month Service (20 Years Or Older)90970 | 660 | $10 |
| 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 | 371 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 234 | $88 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 222 | $301 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 175 | $80 |
| Home Dialysis Services Per Month (20 Years Or Older) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 165 | 49 |
| Furosemide | 133 | 43 |
| Calcitriol | 128 | 39 |
| Amlodipine Besylate | 95 | 31 |
| Calcium Acetate | 75 | 26 |
| Hydralazine Hcl | 71 | 21 |
| Lisinopril | 55 | 15 |
| Sevelamer Carbonate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$330 across 7 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
- 2013-04-14
- Last updated
- 2019-02-21
Frequently asked questions
- What is Eric Chang's NPI number?
- Eric Chang's National Provider Identifier (NPI) is 1477996031, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Chang's specialty?
- Eric Chang is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Chang located?
- Eric Chang's practice location on file with NPPES is 333 University Ave Ste 120, Sacramento, CA 95825-6532.
- What is Eric Chang's phone number?
- The practice phone number listed in the NPPES registry for Eric Chang is (916) 929-8564.
- Does Eric Chang accept Medicare?
- Eric Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Chang's NPI active?
- Yes — Eric Chang's NPI (1477996031) is active in the NPPES registry as of the last update on 2019-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.