Joshua Istrin, R.D.
NPI 1497999809 · Student in an Organized Health Care Education/Training Program · Woodland Hills, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joshua Istrin, R.D. is a Student in an Organized Health Care Education/Training Program provider in Woodland Hills, CA (NPI 1497999809).
Provider details
- NPI number
- 1497999809
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- R.D.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
83% 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 · 83 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 448 | 185 |
| Rosuvastatin Calcium | 231 | 97 |
| Lisinopril | 190 | 82 |
| Levothyroxine Sodium | 173 | 71 |
| Metformin Hclbrand: Metformin Hcl Er | 171 | 70 |
| Losartan Potassium | 142 | 64 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-04-29
- Last updated
- 2021-12-07
- Certified
- 2021-12-07
Frequently asked questions
- What is Joshua Istrin's NPI number?
- Joshua Istrin's National Provider Identifier (NPI) is 1497999809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joshua Istrin's specialty?
- Joshua Istrin is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Joshua Istrin located?
- Joshua Istrin's practice location on file with NPPES is 5601 De Soto Ave, Woodland Hills, CA 91367-6701.
- What is Joshua Istrin's phone number?
- The practice phone number listed in the NPPES registry for Joshua Istrin is (818) 719-4828.
- Does Joshua Istrin accept Medicare?
- Joshua Istrin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joshua Istrin's NPI active?
- Yes — Joshua Istrin's NPI (1497999809) is active in the NPPES registry as of the last update on 2021-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.