Susan Chang, MD
NPI 1073673273 · Nephrology Physician · Camarillo, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susan Chang, MD is a Nephrology Physician provider in Camarillo, CA (NPI 1073673273).
Provider details
- NPI number
- 1073673273
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A61663 (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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,275 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 | 361 | $103 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 298 | $353 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 179 | $79 |
| Home Dialysis Services Per Month (20 Years Or Older)90966 | 113 | $288 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 86 | $85 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 225 | 69 |
| Hydralazine Hcl | 187 | 54 |
| Dapagliflozin Propanediolbrand: Farxiga | 156 | 30 |
| Sevelamer Carbonate | 129 | 40 |
| Furosemide | 112 | 37 |
| Losartan Potassium | 102 | 34 |
| Carvedilol | 90 | 27 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$381 across 12 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
Additional practice locations (1)
- 2705 Loma Vista Rd Ste 101Ventura, CA 93003-1596Phone: (805) 383-9727Fax: (805) 764-0176
Registry dates
- Enumerated
- 2006-12-11
- Last updated
- 2023-07-10
- Certified
- 2023-07-10
Frequently asked questions
- What is Susan Chang's NPI number?
- Susan Chang's National Provider Identifier (NPI) is 1073673273, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Chang's specialty?
- Susan Chang is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Susan Chang located?
- Susan Chang's practice location on file with NPPES is 2438 N Ponderosa Dr, Camarillo, CA 93010-2369.
- What is Susan Chang's phone number?
- The practice phone number listed in the NPPES registry for Susan Chang is (805) 383-9727.
- Does Susan Chang accept Medicare?
- Susan Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susan Chang's NPI active?
- Yes — Susan Chang's NPI (1073673273) is active in the NPPES registry as of the last update on 2023-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.