Ignacio Borenstein, MD
NPI 1174013585 · Internal Medicine Physician · Baldwin Park, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ignacio Borenstein, MD is a Internal Medicine Physician provider in Baldwin Park, CA (NPI 1174013585).
Provider details
- NPI number
- 1174013585
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 173532 (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
8 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 · 97 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 643 | 280 |
| Amlodipine Besylate | 372 | 166 |
| Losartan Potassium | 309 | 141 |
| Metformin Hcl | 290 | 137 |
| Rosuvastatin Calcium | 290 | 124 |
| Lisinopril | 288 | 121 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-05-11
- Last updated
- 2024-07-04
- Certified
- 2024-07-04
Frequently asked questions
- What is Ignacio Borenstein's NPI number?
- Ignacio Borenstein's National Provider Identifier (NPI) is 1174013585, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ignacio Borenstein's specialty?
- Ignacio Borenstein is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ignacio Borenstein located?
- Ignacio Borenstein's practice location on file with NPPES is 1011 Baldwin Park Blvd, Baldwin Park, CA 91706-5806.
- What is Ignacio Borenstein's phone number?
- The practice phone number listed in the NPPES registry for Ignacio Borenstein is (833) 574-2273.
- Does Ignacio Borenstein accept Medicare?
- Ignacio Borenstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ignacio Borenstein's NPI active?
- Yes — Ignacio Borenstein's NPI (1174013585) is active in the NPPES registry as of the last update on 2024-07-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.