David J. Kirshbaum, PA-C
- Part D claims, 2024
- 5,699
- Industry payments
- $1,706
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 24910 Las Brisas Rd, Murrieta, CA 92562
- Practice phone
- Call (909) 981-6644
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Grove Internal Medicine Inc.
Murrieta, California
Find David Kirshbaum'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.
David J. Kirshbaum is a physician assistant in Murrieta, California
David Kirshbaum practices at Grove Internal Medicine Inc. in Murrieta, California.
David Kirshbaum's NPI, 1801855861, was assigned on March 20, 2006. David Kirshbaum holds California license PA14700.
- NPI
- 1801855861NPI Registry (opens in a new tab)
- NPI enumeration date
- March 20, 2006
- NPI status
- Active
- Practice phone
- (909) 981-6644
- 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
David J. Kirshbaum practices at Grove Internal Medicine Inc. in Murrieta, California
David Kirshbaum's primary practice is Grove Internal Medicine Inc., at 24910 Las Brisas Rd, Murrieta, CA 92562 in Riverside County. The practice phone is (909) 981-6644.
- Grove Internal Medicine Inc.24910 Las Brisas Rd, Murrieta, CA 92562 · Riverside CountyPhone(909) 981-6644
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
David J. Kirshbaum is affiliated with 2 sites of care and 1 medical group
David Kirshbaum's primary practice is Grove Internal Medicine Inc. in Murrieta, California. The medical group on file is Grove Internal Medicine. Dmand AI also links David Kirshbaum to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at David J. Kirshbaum's practice
Dmand AI tracks the electronic health record (EHR) system at each site where David Kirshbaum practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Grove Internal Medicine Inc. | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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David J. Kirshbaum is one of 11,482 physician assistants in California
Physician assistant is David Kirshbaum's primary specialty in the NPI Registry, under taxonomy code 363A00000X. David Kirshbaum is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). David Kirshbaum is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near David Kirshbaum
Counts of physician assistants 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
David J. Kirshbaum's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts David Kirshbaum's median patient age at 70, with 43% women.
David Kirshbaum's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women43%
- Men56%
Source: Dmand AI Patient Panel Data
David J. Kirshbaum wrote 5,699 Medicare Part D claims in 2024
In 2024, David Kirshbaum wrote 5,699 Medicare Part D claims for 703 patients. 90% of them were for generic drugs. CMS names the drug for 5,134 of them, across 106 drugs with 11 or more claims each, at $289,402 in total drug cost.
David Kirshbaum's Part D claims by kind of drug, 2024
- Generic5,101 claims90%
- Brand-name556 claims10%
- Other42 claims1%
David Kirshbaum'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 David Kirshbaum's Part D claims, 2024
- Opioids4%249 of 5,699 claims
- Antibiotics3%153 of 5,699 claims
- Antipsychotics, patients 65 and over0%26 of 5,699 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
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David J. Kirshbaum received $1,706 in industry payments from 2024 to 2025
CMS Open Payments shows 80 general payments to David Kirshbaum from 21 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $460.
General payments to David Kirshbaum by program year, 2024 to 2025
Companies that paid David Kirshbaum the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
David J. Kirshbaum is board certified in certified physician assistant
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for David J. Kirshbaum'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 DataDmand AI Affiliation 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)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 David J. Kirshbaum
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is David J. Kirshbaum's NPI number?
David J. Kirshbaum's NPI number is 1801855861. It was assigned on March 20, 2006, and it is active in the NPI Registry.
What does David J. Kirshbaum specialize in?
David J. Kirshbaum is a physician assistant in Murrieta, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does David J. Kirshbaum practice?
David Kirshbaum practices at 24910 Las Brisas Rd, Murrieta, CA 92562. David Kirshbaum's primary practice is Grove Internal Medicine Inc. in Murrieta, California. Dmand AI also links David Kirshbaum to 1 group practice or clinic.
What is David J. Kirshbaum's office phone number?
The practice phone on file for David Kirshbaum is (909) 981-6644.
What is David J. Kirshbaum's medical license number?
David Kirshbaum holds California license PA14700.
What medical group is David J. Kirshbaum part of?
David Kirshbaum is linked to Grove Internal Medicine.
Is David J. Kirshbaum board certified?
Yes. David Kirshbaum is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What drugs does David J. Kirshbaum prescribe most?
In 2024 Medicare Part D data, David Kirshbaum's most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Simvastatin.
Has David J. Kirshbaum received payments from drug or device companies?
CMS Open Payments shows $1,706 in general payments to David Kirshbaum from 21 companies from 2024 to 2025. The largest total came from Abbott Laboratories.
How long has David J. Kirshbaum been practicing?
David Kirshbaum's NPI was assigned in 2006.
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