Philip Chen, MD
NPI 1073796728 · Gastroenterology Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Philip Chen, MD is a Gastroenterology Physician provider in Riverside, CA (NPI 1073796728).
Provider details
- NPI number
- 1073796728
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A84641 (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
18 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
1,713 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 | 530 | $146 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 327 | $21 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 323 | $266 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 190 | $66 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 108 | $189 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 374 | 145 |
| Metoclopramide Hcl | 322 | 303 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 120 | 117 |
| Pantoprazole Sodium | 80 | 38 |
| Sod Sulf/Pot Chloride/Mag Sulfbrand: Sutab | 67 | 65 |
| Famotidine | 53 | 21 |
| Lactulosebrand: Enulose | 50 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,093 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
- 2007-12-17
- Last updated
- 2011-12-02
Frequently asked questions
- What is Philip Chen's NPI number?
- Philip Chen's National Provider Identifier (NPI) is 1073796728, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Philip Chen's specialty?
- Philip Chen is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Philip Chen located?
- Philip Chen's practice location on file with NPPES is 7117 Brockton Ave, Riverside, CA 92506-2615.
- What is Philip Chen's phone number?
- The practice phone number listed in the NPPES registry for Philip Chen is (951) 321-6345.
- Does Philip Chen accept Medicare?
- Philip Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Philip Chen's NPI active?
- Yes — Philip Chen's NPI (1073796728) is active in the NPPES registry as of the last update on 2011-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.