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ASHISH LOOMBA MD
NPI 1790933042
Pediatrics in Palo Alto, CA

Active since August 28, 2008PECOS Enrolled
725 WELCH RD, PALO ALTO, CA 94304(650) 497-8000 Get Directions Write a Review

NPPES record last updated: April 10, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 10, 2024, Oct 16, 2023, Aug 27, 2023 and 3 more (6 updates tracked since 2020).

About Ashish Loomba Md NPPES

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

ASHISH LOOMBA MD (NPI 1790933042) is an individual pediatrics provider in Palo Alto, California, licensed in California (C143844) and active in the NPI registry since August 2008. He is enrolled in Medicare PECOS and maintains a secondary practice location in Visalia.

NPPES Registry Identity

NPI1790933042
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameASHISH LOOMBACredential: MD
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 DateAugust 28, 2008
Last NPPES UpdateApril 10, 20246 updates tracked since enumeration
NPPES CertifiedApril 10, 2024
✔ NPI 1790933042 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · C143844
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
725 WELCH RD, Palo Alto, CA 94304
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Secondary Practice Location 1

Location 1400 W Mineral King AveVisalia, CA 93291-6237 · Phone (559) 624-2245 · Fax (559) 635-6270

Other Identifiers 2

MedicaidR9784AL
Medicaid1790933042CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ashish Loomba Md 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 Ashish Loomba reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sutter Bay Medical Foundation
0.8 mi
Multi-Specialty
795 EL CAMINO REAL
Palo Alto, CA 94301
  • Reassigned Medicare billing, California enrollment
  • 4,479 clinicians in this Medicare group
NPI 1013950807 (650) 321-4121
Permanente Medical Group Inc
4.5 mi
Internal Medicine
1190 VETERANS BLVD
Redwood City, CA 94063
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1639252604 (650) 299-2000
Valley Children's Medical Group
67 mi
Pediatrics
1524 MCHENRY AVE, SUITE 550
Modesto, CA 95350
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Valley Childrens Medical Group
  • 387 clinicians in this Medicare group
NPI 1437555265 (559) 353-5010

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94304 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Ashish Loomba's NPI number?

The NPI number for Ashish Loomba is 1790933042. It was assigned to this individual provider in the NPPES registry on August 28, 2008.

Where is Ashish Loomba located?

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

What is Ashish Loomba's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Ashish Loomba enrolled in Medicare?

Yes. Ashish Loomba is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ashish Loomba's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ashish Loomba reassigns Medicare benefits to 3 organizations: Sutter Bay Medical Foundation (Palo Alto, CA), Permanente Medical Group Inc (Redwood City, CA) and Valley Children's Medical Group (Modesto, 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 Ashish Loomba'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 Ashish Loomba was last updated on April 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.