Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

FREDERICK WILLIAM DAMEN MD, PHD
NPI 1639864663
Pediatrics in Palo Alto, CA

Q: What is Frederick Damen's NPI number?

The NPI number for Frederick Damen is 1639864663. It was assigned to this individual provider in the NPPES registry on April 6, 2023.

Q: What is Frederick Damen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Frederick Damen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.

Active since April 06, 2023PECOS Enrolled

725 WELCH RD, PALO ALTO, CA 94304(650) 497-8979 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2026, Apr 6, 2023 (2 updates tracked since 2023).

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About Frederick William Damen Md, Phd NPPES

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

FREDERICK WILLIAM DAMEN MD, PHD (NPI 1639864663) is an individual pediatrics provider in Palo Alto, California, licensed in California (A209972) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS, maintains a secondary practice location in Stanford, and is a graduate of Indiana University School Of Medicine (2023).

NPPES Registry Identity

NPI1639864663

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameFREDERICK WILLIAM DAMENCredential: MD, PHD

Location Address725 WELCH RDPalo Alto, CA 94304-1601

Mailing Address725 Welch RdPalo Alto, CA 94304-1601 · (650) 497-8000

Phone(650) 497-8979

Sole ProprietorNo

Medical School CMSIndiana University School Of MedicineGraduated 2023

Enumeration DateApril 6, 2023

Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration

NPPES CertifiedJuly 13, 2026

✔ NPI 1639864663 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in CA · A209972

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 1300 Pasteur DrStanford, CA 94305-2200 · Phone (650) 723-4000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Frederick William Damen Md, Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3577033687

PECOS Enrollment IDI20260529003391

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.

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)