Dr. Julian H. Hirschbaum, DO
- Part D claims, 2022
- 16
- Publications
- 2
- Industry payments
- $836
- State license
- 1
- Year NPI issued
- 2017
- Practice address
- 2051 Marengo St, Los Angeles, CA 90033
- Practice phone
- Call (323) 409-2800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Los Angeles General Medical Center
Los Angeles, California
Find Dr. Hirschbaum'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. Julian H. Hirschbaum is an internist in Los Angeles, California
Dr. Hirschbaum practices at Los Angeles General Medical Center in Los Angeles, California.
Dr. Hirschbaum's NPI, 1245762228, was assigned on March 30, 2017. Dr. Hirschbaum holds California license 20A16713.
- NPI
- 1245762228NPI Registry (opens in a new tab)
- NPI enumeration date
- March 30, 2017
- NPI status
- Active
- Practice phone
- (323) 409-2800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Julian H. Hirschbaum practices at Los Angeles General Medical Center in Los Angeles, California
Dr. Hirschbaum's primary practice is Los Angeles General Medical Center, at 2051 Marengo St, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 409-2800.
- Los Angeles General Medical Center2051 Marengo St, Los Angeles, CA 90033 · Los Angeles CountyPhone(323) 409-2800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Julian H. Hirschbaum is affiliated with 1 site of care
Dr. Hirschbaum's primary practice is Los Angeles General Medical Center in Los Angeles, California.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Julian H. Hirschbaum's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hirschbaum practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Los Angeles General Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Julian H. Hirschbaum is one of 16,751 internists in California
Internal medicine is Dr. Hirschbaum's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hirschbaum is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Hirschbaum
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. Julian H. Hirschbaum's patients have a median age of 56
Across all payers, Dmand AI patient panel data puts Dr. Hirschbaum's median patient age at 56, with 67% women.
Dr. Hirschbaum's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Dr. Julian H. Hirschbaum wrote 16 Medicare Part D claims in 2022
In 2022, Dr. Hirschbaum wrote 16 Medicare Part D claims. They cover 1 drug, with $8,620 in total drug cost. In 2021, CMS named 12 claims across 1 drug.
Dr. Hirschbaum's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 122022: 1633%
Drugs named by CMS: 1 in 2022, 1 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Julian H. Hirschbaum has 2 publications on record
Dmand AI links 2 papers to Dr. Hirschbaum in 2020. 2020 was the busiest year, with 2. Dr. Hirschbaum's most frequent co-authors are Wilson C. Kwan, MD, Joy Lewis, MD and Amanda Mika.
Dr. Hirschbaum's most frequent co-authors
Recent publications by Dr. Hirschbaum
See who Dr. Hirschbaum researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hirschbaum works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Julian H. Hirschbaum received $836 in industry payments from 2023 to 2025
CMS Open Payments shows 9 general payments to Dr. Hirschbaum from 3 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $767.
General payments to Dr. Hirschbaum by program year, 2023 to 2025
Companies that paid Dr. Hirschbaum the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Julian H. Hirschbaum'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (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. Julian H. Hirschbaum
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. Julian H. Hirschbaum's NPI number?
Dr. Julian H. Hirschbaum's NPI number is 1245762228. It was assigned on March 30, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Julian H. Hirschbaum?
Dr. Julian H. Hirschbaum is an internist in Los Angeles, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Julian H. Hirschbaum practice?
Dr. Hirschbaum practices at 2051 Marengo St, Los Angeles, CA 90033. Dr. Hirschbaum's primary practice is Los Angeles General Medical Center in Los Angeles, California.
What is Dr. Julian H. Hirschbaum's office phone number?
The practice phone on file for Dr. Hirschbaum is (323) 409-2800.
What is Dr. Julian H. Hirschbaum's medical license number?
Dr. Hirschbaum holds California license 20A16713.
What drugs does Dr. Julian H. Hirschbaum prescribe most?
In 2022 Medicare Part D data, Dr. Hirschbaum's most prescribed drugs by claims were Jardiance.
Has Dr. Julian H. Hirschbaum received payments from drug or device companies?
CMS Open Payments shows $836 in general payments to Dr. Hirschbaum from 3 companies from 2023 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Julian H. Hirschbaum been practicing?
Dr. Hirschbaum's NPI was assigned in 2017.
Does Dr. Julian H. Hirschbaum do research?
Dmand AI links 2 publications to Dr. Hirschbaum.
Who does Dr. Julian H. Hirschbaum publish with?
Dr. Hirschbaum's most frequent co-authors are Wilson C. Kwan, MD (1 shared paper), Joy Lewis, MD (1 shared paper) and Amanda Mika (1 shared paper).
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