Andrew Ross, M.D.
NPI 1932543998 · Nephrology Physician · Orange, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Ross, M.D. is a Nephrology Physician provider in Orange, CA (NPI 1932543998).
Provider details
- NPI number
- 1932543998
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
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
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,159 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 582 | $111 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 557 | $177 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 425 | $132 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 409 | $335 |
| Hemodialysis Procedure Requiring Repeated Evaluation90937 | 269 | $95 |
| 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'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Valsartan | 256 | 84 |
| Finerenonebrand: Kerendia | 237 | 41 |
| Dapagliflozin Propanediolbrand: Farxiga | 212 | 67 |
| Amlodipine Besylate | 199 | 70 |
| Losartan Potassium | 196 | 66 |
| Empagliflozinbrand: Jardiance | 171 | 53 |
| Carvedilol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,410 across 81 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
- 2013-04-22
- Last updated
- 2017-04-14
Frequently asked questions
- What is Andrew Ross's NPI number?
- Andrew Ross's National Provider Identifier (NPI) is 1932543998, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Ross's specialty?
- Andrew Ross is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Ross located?
- Andrew Ross's practice location on file with NPPES is 101 the City Dr S, Orange, CA 92868-3201.
- What is Andrew Ross's phone number?
- The practice phone number listed in the NPPES registry for Andrew Ross is (714) 456-5555.
- Does Andrew Ross accept Medicare?
- Andrew Ross is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Ross's NPI active?
- Yes — Andrew Ross's NPI (1932543998) is active in the NPPES registry as of the last update on 2017-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.