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ALEC DAVID BORSOOK MD
NPI 1841877016
Internal Medicine - Hospice and Palliative Medicine in Los Angeles, CA

Active since March 25, 2021PECOS EnrolledAccepts Medicare Assignment
1450 SAN PABLO ST STE 3000, LOS ANGELES, CA 90033(323) 442-5100 Get Directions Write a Review

NPPES record last updated: August 8, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 8, 2025, May 4, 2021, Mar 25, 2021 (3 updates tracked since 2021).

About Alec David Borsook Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALEC DAVID BORSOOK MD (NPI 1841877016) is an individual hospice and palliative medicine provider in Los Angeles, California, licensed in California (A192620) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (2021).

NPPES Registry Identity

NPI1841877016
Entity TypeIndividualMale
Primary Taxonomy207RH0002X
Provider Legal NameALEC DAVID BORSOOKCredential: MD
Location Address1450 SAN PABLO ST STE 3000Los Angeles, CA 90033-5332
Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (323) 442-5100
Phone(323) 442-5100
Sole ProprietorYes
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 2021
Enumeration DateMarch 25, 2021
Last NPPES UpdateAugust 8, 20253 updates tracked since enumeration
NPPES CertifiedAugust 8, 2025
✔ NPI 1841877016 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hospice and Palliative MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RH0002X
License✔ Licensed in CA · A192620
Definition
An internal medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team to maximize quality of life while addressing physical, psychological, social and spiritual needs of both patient and family throughout the course of the disease, through the dying process, and beyond for the family. This specialist has expertise in the assessment of patients with advanced disease; the relief of distressing symptoms; the coordination of interdisciplinary patient and family-centered care in diverse venues; the use of specialized care systems including hospice; the management of the imminently dying patient; and legal and ethical decision making in end-of-life care.
1450 SAN PABLO ST STE 3000, Los Angeles, CA 90033
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Alec David Borsook Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5698159234
PECOS Enrollment IDI20250806004447
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MILAD KARAMI DO
Student in an Organized Health Care Education/Training Program
1450 SAN PABLO ST STE 3000
LOS ANGELES, CA 90033
Los Angeles County (213) 740-2311
CAROLYNNE VO MD
Student in an Organized Health Care Education/Training Program
1450 SAN PABLO ST STE 3000
LOS ANGELES, CA 90033
Los Angeles County (818) 583-7362
MEGAN MARIE VAN LIGTEN MD
Internal Medicine
1450 SAN PABLO ST STE 3000
LOS ANGELES, CA 90033
Los Angeles County (800) 872-2273
RACHEL SI-WEN CHANG MD
Internal Medicine
1450 SAN PABLO ST STE 3000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-8415
DONOVAN JOSEPH KOHLER MD
Hospitalist
1450 SAN PABLO ST STE 3000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100
QIAOCHU QI M.D.
Internal Medicine (Hospice and Palliative Medicine)
1450 SAN PABLO ST STE 3000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5250

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alec Borsook's NPI number?

The NPI number for Alec Borsook is 1841877016. It was assigned to this individual provider in the NPPES registry on March 25, 2021.

Where is Alec Borsook located?

Alec Borsook practices at 1450 San Pablo St Ste 3000, Los Angeles, CA 90033. The listed phone number is (323) 442-5100.

What is Alec Borsook's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hospice and Palliative Medicine, with taxonomy code 207RH0002X.

Is Alec Borsook enrolled in Medicare?

Yes. Alec Borsook is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Alec Borsook was last updated on August 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.