Arthur Galoustian, MD
NPI 1487685426 · Nephrology Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arthur Galoustian, MD is a Nephrology Physician provider in Riverside, CA (NPI 1487685426).
Provider details
- NPI number
- 1487685426
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A95220 (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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,486 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 | 486 | $115 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 196 | $91 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 190 | $355 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 130 | $169 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 120 | $76 |
| 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 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 155 | 33 |
| Furosemide | 122 | 43 |
| Dapagliflozin Propanediolbrand: Farxiga | 98 | 27 |
| Amlodipine Besylate | 76 | 24 |
| Nifedipinebrand: Nifedipine Er | 72 | 17 |
| Atorvastatin Calcium | 70 | 20 |
| Clonidine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$456 across 18 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
- 2006-07-06
- Last updated
- 2021-07-29
- Certified
- 2021-07-29
Frequently asked questions
- What is Arthur Galoustian's NPI number?
- Arthur Galoustian's National Provider Identifier (NPI) is 1487685426, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arthur Galoustian's specialty?
- Arthur Galoustian is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Arthur Galoustian located?
- Arthur Galoustian's practice location on file with NPPES is 3660 Park Sierra Dr, Riverside, CA 92505-3059.
- What is Arthur Galoustian's phone number?
- The practice phone number listed in the NPPES registry for Arthur Galoustian is (951) 687-2800.
- Does Arthur Galoustian accept Medicare?
- Arthur Galoustian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arthur Galoustian's NPI active?
- Yes — Arthur Galoustian's NPI (1487685426) is active in the NPPES registry as of the last update on 2021-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.