Dr. Ignacio Borenstein, MD
- Medicare patients, 2024
- 16
- Part D claims, 2024
- 6,776
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 1011 Baldwin Park Blvd, Baldwin Park, CA 91706
- Practice phone
- Call (626) 851-1011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Borenstein's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ignacio Borenstein is an internist in Baldwin Park, California
Dr. Borenstein practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente.
Dr. Borenstein's NPI, 1174013585, was assigned on May 11, 2018. Dr. Borenstein holds California license 173532.
- NPI
- 1174013585NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294132783
- NPI enumeration date
- May 11, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (626) 851-1011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ignacio Borenstein practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California
Dr. Borenstein's primary practice is Kaiser Permanente Baldwin Park Medical Center, at 1011 Baldwin Park Blvd, Baldwin Park, CA 91706 in Los Angeles County. The practice phone is (626) 851-1011.
- Kaiser Permanente Baldwin Park Medical Center1011 Baldwin Park Blvd, Baldwin Park, CA 91706 · Los Angeles CountyPhone(626) 851-1011
Source: Dmand AI Affiliation Data
Dr. Ignacio Borenstein is affiliated with 1 site of care and 1 medical group
Dr. Borenstein's primary practice is Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ignacio Borenstein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Borenstein practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Baldwin Park Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ignacio Borenstein is one of 16,751 internists in California
Internal medicine is Dr. Borenstein's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Borenstein is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Borenstein
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ignacio Borenstein treated 16 Medicare patients in 2024, average age 71
CMS counts 16 Medicare patients who saw Dr. Borenstein in 2024. 75% of them have diabetes, and 75% have high blood pressure. Their average risk score is 4.58, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Borenstein's median patient age at 66, with 54% women.
Chronic conditions among Dr. Borenstein's Medicare patients, 2024
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Borenstein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ignacio Borenstein wrote 6,776 Medicare Part D claims in 2024
In 2024, Dr. Borenstein wrote 6,776 Medicare Part D claims for 959 patients. 87% of them were for generic drugs. CMS names the drug for 6,265 of them, across 96 drugs with 11 or more claims each, at $306,771 in total drug cost. In 2023, CMS named 5,551 claims across 88 drugs.
Dr. Borenstein's Part D claims by kind of drug, 2024
- Generic5,870 claims87%
- Brand-name731 claims11%
- Other175 claims3%
Dr. Borenstein's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Borenstein's Part D claims, 2024
- Opioids1%84 of 6,776 claims
- Antibiotics1%72 of 6,776 claims
- Antipsychotics, patients 65 and over0%30 of 6,776 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5,5512024: 6,26513%
Drugs named by CMS: 96 in 2024, 88 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Ignacio Borenstein takes part in Medicare
Dr. Borenstein accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Dr. Ignacio Borenstein's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ignacio Borenstein
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ignacio Borenstein's NPI number?
Dr. Ignacio Borenstein's NPI number is 1174013585. It was assigned on May 11, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Ignacio Borenstein?
Dr. Ignacio Borenstein is an internist in Baldwin Park, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ignacio Borenstein practice?
Dr. Borenstein practices at 1011 Baldwin Park Blvd, Baldwin Park, CA 91706. Dr. Borenstein's primary practice is Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente.
What is Dr. Ignacio Borenstein's office phone number?
The practice phone on file for Dr. Borenstein is (626) 851-1011.
What is Dr. Ignacio Borenstein's medical license number?
Dr. Borenstein holds California license 173532.
Which hospitals is Dr. Ignacio Borenstein affiliated with?
Dr. Borenstein practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California.
What medical group is Dr. Ignacio Borenstein part of?
Dr. Borenstein is linked to Southern California Permanente Medical Group.
Does Dr. Ignacio Borenstein accept Medicare?
Yes. CMS lists Dr. Borenstein as accepting Medicare assignment.
How many Medicare patients does Dr. Ignacio Borenstein see?
CMS counts 16 Medicare patients who saw Dr. Borenstein in 2024, with an average age of 71.
What drugs does Dr. Ignacio Borenstein prescribe most?
In 2024 Medicare Part D data, Dr. Borenstein's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
How long has Dr. Ignacio Borenstein been practicing?
Dr. Borenstein graduated from medical school in 2009, 17 years ago.
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