Arun Patel, MD
NPI 1477628840 · Internal Medicine Physician · Fullerton, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arun Patel, MD is a Internal Medicine Physician provider in Fullerton, CA (NPI 1477628840).
Provider details
- NPI number
- 1477628840
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A46567 (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
4,127 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,667 | $98 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,254 | $138 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 188 | $16 |
| Ct Scan of Chest Without Contrast71250 | 184 | $153 |
| Administration of Influenza Virus VaccineG0008 | 150 | $29 |
| 3d Radiographic Procedure76376 | 117 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 149 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 845 | 200 |
| Rosuvastatin Calcium | 741 | 196 |
| Metformin Hclbrand: Metformin Hcl Er | 711 | 179 |
| Amlodipine Besylate | 603 | 151 |
| Levothyroxine Sodium | 534 | 123 |
| Atorvastatin Calcium | 481 | 113 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$940 across 31 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
- 2006-11-21
- Last updated
- 2009-12-08
Frequently asked questions
- What is Arun Patel's NPI number?
- Arun Patel's National Provider Identifier (NPI) is 1477628840, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arun Patel's specialty?
- Arun Patel is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Arun Patel located?
- Arun Patel's practice location on file with NPPES is 907 W Wilshire Ave, Fullerton, CA 92832.
- What is Arun Patel's phone number?
- The practice phone number listed in the NPPES registry for Arun Patel is (714) 871-6161.
- Does Arun Patel accept Medicare?
- Arun Patel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arun Patel's NPI active?
- Yes — Arun Patel's NPI (1477628840) is active in the NPPES registry as of the last update on 2009-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.