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ALAINA ANNE CRITCHLOW MD
NPI 1154776383
Pediatrics in Palo Alto, CA

Active since April 25, 2016PECOS Enrolled
750 WELCH RD STE 325, PALO ALTO, CA 94304(650) 723-7913 Get Directions Write a Review

NPPES record last updated: August 7, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Alaina Anne Critchlow Md NPPES

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

ALAINA ANNE CRITCHLOW MD (NPI 1154776383) is an individual pediatrics provider in Palo Alto, California, licensed in California (A152259) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS and maintains a secondary practice location in Palo Alto.

NPPES Registry Identity

NPI1154776383
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameALAINA ANNE CRITCHLOWCredential: MD
Location Address750 WELCH RD STE 325Palo Alto, CA 94304-1510
Mailing Address750 Welch Rd Ste 325Palo Alto, CA 94304-1510 · (650) 723-7913
Phone(650) 723-7913
Sole ProprietorNo
Enumeration DateApril 25, 2016
Last NPPES UpdateAugust 7, 2019
✔ NPI 1154776383 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A152259
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.
750 WELCH RD STE 325, Palo Alto, CA 94304
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Secondary Practice Location 1

Location 1300 Pasteur Dr, Room HC435Palo Alto, CA 94305-2200 · Phone (650) 723-5948

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alaina Anne Critchlow 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 Reassignment

Medicare enrollment records show Alaina Critchlow reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
4.4 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

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 4

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

RACHEL SU YANG
Pediatrics (Pediatric Cardiology)
750 WELCH RD STE 325
PALO ALTO, CA 94304
Santa Clara County (650) 723-7913
DR. DANA GAL M.D
Pediatrics
750 WELCH RD STE 325
PALO ALTO, CA 94304
Santa Clara County (650) 721-6849
DR. NASSIBA ALAMI LAROUSSI MD
Pediatrics (Pediatric Cardiology)
750 WELCH RD STE 325
PALO ALTO, CA 94304
Santa Clara County (650) 721-6849
CHRISTOPHER MARDY M.D.
Pediatrics (Pediatric Cardiology)
750 WELCH RD STE 325
PALO ALTO, CA 94304
Santa Clara County (650) 721-6849

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 Alaina Critchlow's NPI number?

The NPI number for Alaina Critchlow is 1154776383. It was assigned to this individual provider in the NPPES registry on April 25, 2016.

Where is Alaina Critchlow located?

Alaina Critchlow practices at 750 Welch Rd Ste 325, Palo Alto, CA 94304. The listed phone number is (650) 723-7913.

What is Alaina Critchlow's specialty?

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

Is Alaina Critchlow enrolled in Medicare?

Yes. Alaina Critchlow is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alaina Critchlow's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alaina Critchlow reassigns Medicare benefits to Permanente Medical Group Inc (Redwood City, CA). The 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 Alaina Critchlow'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 Alaina Critchlow was last updated on August 7, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.