Alec David Borsook, MD
Hospice and Palliative Medicine (Internal Medicine) Physician · Los Angeles, CA
Alec David Borsook, MD is a hospice and palliative medicine (internal medicine) physician with a practice address in Los Angeles, California, and NPI 1841877016, issued on Mar 25, 2021. Check the license (California A192620, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alec David Borsook
- Credential
- MD
- Primary taxonomy
- Hospice and Palliative Medicine (Internal Medicine) Physician 207RH0002X
- License number
- A192620 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1450 San Pablo St Ste 3000, Los Angeles, CA 90033
- Phone
- (323) 442-5100
- Enumerated
- Mar 25, 2021
- Record last updated
- Aug 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20250806004447); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2021
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hospice and palliative medicine (internal medicine) physician records → All 260 in California → Look up another NPI →
Also registered at 1450 San Pablo St Ste 3000
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel Chang, MDInternal Medicine Physician1891435939
- Milad Karami, DOStudent in an Organized Health Care Education/Training Program1073442299
- Donovan Kohler, MDHospitalist Physician1922749993
- Qiaochu Qi, M.D.Hospice and Palliative Medicine (Internal Medicine) Physician1952892077
- Megan Van Ligten, MDInternal Medicine Physician1255080636
- Carolynne Vo, MDStudent in an Organized Health Care Education/Training Program1215866272
Verify Alec David Borsook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A192620Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average hospice and palliative medicine (internal medicine) physician in 2024
26 Medicare Part D claims, against an average of 741 among the 1,607 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Usc Care Medical Group IncLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alec David Borsook among 260 hospice and palliative medicine (internal medicine) physician records in California
Alec David Borsook, MD is one of 260 hospice and palliative medicine (internal medicine) physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 93% of them.
- NPI issued2021 · 93% of these records are older, 2% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2021 · median 2010 among the 193 with a school on file
- Record last updated2025 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0002X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospice and Palliative Medicine (Internal Medicine) Physician providers in California
There are 260 hospice and palliative medicine (internal medicine) physician records in California.
All 260 in California → Every provider in Los Angeles → Hospice and Palliative Medicine (Internal Medicine) Physician nationwide →
The 8 hospice and palliative medicine (internal medicine) physician records with the nearest ZIP codes
- Emily Beers, M.D.Los Angeles, CA 900331649477258
- Shyam Bhansali, D.O.Los Angeles, CA 900331013396068
- Pamelyn Close, MDLos Angeles, CA 900331831380930
- Alexander Madonis, M.D.Los Angeles, CA 900331235435074
- Conner Olsen, MDLos Angeles, CA 900331821594243
- Peter Phung, M.D.Los Angeles, CA 900331215297767
- Qiaochu Qi, M.D.Los Angeles, CA 900331952892077
- Jesse Soodalter, MDLos Angeles, CA 900331366671711
Common questions
What is Alec David Borsook, MD's NPI number?
Alec David Borsook, MD's National Provider Identifier (NPI) is 1841877016, issued on Mar 25, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Alec David Borsook, MD located?
The NPPES record lists a practice address at 1450 San Pablo St Ste 3000, Los Angeles, CA, 90033. Phone: (323) 442-5100. Providers update this record themselves, so call before visiting.
How can I verify Alec David Borsook, MD's license?
NPPES lists California license number A192620, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alec David Borsook, MD prescribe under Medicare Part D?
In 2024, Alec David Borsook, MD had 26 Medicare Part D claims; the average among hospice and palliative medicine (internal medicine) physician prescribers was 741. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.