Joshua Chen, D.O.
NPI 1750745873 · Infectious Disease Physician · Newport Beach, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joshua Chen, D.O. is a Infectious Disease Physician provider in Newport Beach, CA (NPI 1750745873).
Provider details
- NPI number
- 1750745873
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 20A16292 (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
10 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
1,563 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 | 904 | $122 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 266 | $179 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 173 | $192 |
| Critical Care, First 30-74 Minutes99291 | 133 | $217 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 31 | $236 |
| Transitional Care Management Services for Problem of at Least Moderate Complexity99495 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 60 | 40 |
| Gentamicin Sulfate | 39 | — |
| Ceftriaxone Sodiumbrand: Ceftriaxone | 29 | 12 |
| Amoxicillin | 25 | — |
| Azithromycin | 25 | — |
| Cefadroxil | 25 | 20 |
| Dolutegravir Sodium/Lamivudinebrand: Dovato | 22 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$839 across 39 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)
- 9961 Sierra AveFontana, CA 92335-6720Phone: (909) 427-2608Fax: (909) 427-5312
Registry dates
- Enumerated
- 2016-04-06
- Last updated
- 2022-08-19
- Certified
- 2022-08-19
Frequently asked questions
- What is Joshua Chen's NPI number?
- Joshua Chen's National Provider Identifier (NPI) is 1750745873, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joshua Chen's specialty?
- Joshua Chen is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Joshua Chen located?
- Joshua Chen's practice location on file with NPPES is 320 Superior Ave Ste 370, Newport Beach, CA 92663-2795.
- What is Joshua Chen's phone number?
- The practice phone number listed in the NPPES registry for Joshua Chen is (949) 515-3590.
- Does Joshua Chen accept Medicare?
- Joshua Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joshua Chen's NPI active?
- Yes — Joshua Chen's NPI (1750745873) is active in the NPPES registry as of the last update on 2022-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.