Joshua Pengson, M.D.
NPI 1578925855 · Internal Medicine Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joshua Pengson, M.D. is a Internal Medicine Physician provider in Riverside, CA (NPI 1578925855).
Provider details
- NPI number
- 1578925855
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A162979 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 93 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 662 | 261 |
| Amlodipine Besylate | 283 | 119 |
| Losartan Potassium | 259 | 96 |
| Lisinopril | 223 | 98 |
| Metformin Hcl | 191 | 74 |
| Levothyroxine Sodium | 176 | 74 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-03-24
- Last updated
- 2021-11-30
- Certified
- 2021-11-30
Frequently asked questions
- What is Joshua Pengson's NPI number?
- Joshua Pengson's National Provider Identifier (NPI) is 1578925855, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joshua Pengson's specialty?
- Joshua Pengson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joshua Pengson located?
- Joshua Pengson's practice location on file with NPPES is 14305 Meridian Pkwy, Riverside, CA 92518-3034.
- What is Joshua Pengson's phone number?
- The practice phone number listed in the NPPES registry for Joshua Pengson is (833) 574-2273.
- Does Joshua Pengson accept Medicare?
- Joshua Pengson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joshua Pengson's NPI active?
- Yes — Joshua Pengson's NPI (1578925855) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.