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DR. LOREN DANIEL SACKS M.D
NPI 1407052186
Pediatrics - Pediatric Critical Care Medicine in Palo Alto, CA

Active since June 21, 2007PECOS Enrolled
725 WELCH RD, PALO ALTO, CA 94304(650) 497-8000 Get Directions Write a Review

NPPES record last updated: December 9, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Loren Daniel Sacks M.d NPPES

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

DR. LOREN DANIEL SACKS M.D (NPI 1407052186) is an individual pediatric critical care medicine provider in Palo Alto, California, licensed in California (A107485) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS and maintains a secondary practice location in San Diego.

NPPES Registry Identity

NPI1407052186
Entity TypeIndividualMale
Primary Taxonomy2080P0203X
Provider Legal NameDR. LOREN DANIEL SACKSCredential: M.D
Location Address725 WELCH RDPalo Alto, CA 94304-1601
Mailing Address725 Welch RdPalo Alto, CA 94304-1601 · (650) 497-8000
Phone(650) 497-8000
Sole ProprietorNo
Enumeration DateJune 21, 2007
Last NPPES UpdateDecember 9, 2022
NPPES CertifiedDecember 9, 2022
✔ NPI 1407052186 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
License✔ Licensed in CA · A107485
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
Also ListedPediatricsTaxonomy 208000000X · License A107485 (CA)
725 WELCH RD, Palo Alto, CA 94304
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Secondary Practice Location 1

Location 13020 Childrens Way, Mail Code 5124San Diego, CA 92123-4223 · Phone (858) 966-6764 · Fax (858) 966-7966

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Loren Daniel Sacks M.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

3

Medicare enrollment records show Loren Sacks reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ucsf Pediatrics Associates
27 mi
Pediatrics
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 1,159 clinicians in this Medicare group
NPI 1376614016 (415) 353-2000
University Of California San Francisco
27 mi
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1346329380 (415) 353-2161
Ucsf Medical Group Business Services
27 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

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

EIRI INENAGA MS, OTR/L
Occupational Therapist (Pediatrics)
725 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (650) 497-8218
WENDY LEIGH ADAMS ARNP
Nurse Practitioner (Neonatal)
725 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (650) 497-8000
KEVIN WEI-HAN CHI MD
Pediatrics
725 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (650) 497-8000
ASHEEN RAMA MD
Anesthesiology (Pediatric Anesthesiology)
725 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (650) 497-8000
CRYSTAL LEE MACKALL MD
Pediatrics (Pediatric Hematology-Oncology)
725 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (650) 497-8000
KRISTI LYNNE O'CONNOR OT
Occupational Therapist
725 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (650) 497-8000
LAUREN GENNA ROOS NP
Nurse Practitioner
725 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (650) 497-8000
SHALINI MITTAL MD
Hospitalist
725 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (650) 497-8000

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 Loren Sacks's NPI number?

The NPI number for Loren Sacks is 1407052186. It was assigned to this individual provider in the NPPES registry on June 21, 2007.

Where is Loren Sacks located?

Loren Sacks practices at 725 Welch Rd, Palo Alto, CA 94304. The listed phone number is (650) 497-8000.

What is Loren Sacks's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Loren Sacks enrolled in Medicare?

Yes. Loren Sacks is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Loren Sacks's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Loren Sacks reassigns Medicare benefits to 3 organizations: Ucsf Pediatrics Associates (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Loren Sacks's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Loren Sacks was last updated on December 9, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.