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

DAMIAN MARSDEN MD
NPI 1639166366
Pediatrics in Healdsburg, CA

Active since September 27, 2005
445 MARCH AVE, HEALDSBURG, CA 95448(707) 433-8223(707) 433-1071 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Damian Marsden Md NPPES

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

DAMIAN MARSDEN MD (NPI 1639166366) is an individual pediatrics provider in Healdsburg, California, licensed in California (A34792) and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1639166366
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDAMIAN MARSDENCredential: MD
Location Address445 MARCH AVEHealdsburg, CA 95448-3383
Mailing Address445 March AveHealdsburg, CA 95448-3383 · (707) 433-8223 · Fax (707) 433-1071
Phone(707) 433-8223
Fax(707) 433-1071
Sole ProprietorNo
Enumeration DateSeptember 27, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1639166366 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A34792
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.
445 MARCH AVE, Healdsburg, CA 95448
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Other Providers at the Same Location NPPES 3

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

GUADALUPE NIETO HEDRICK M.D.
Pediatrics
445 MARCH AVE, SUITE A
HEALDSBURG, CA 95448
Sonoma County (707) 433-8223
WILL J BROGDON DDS
Dentist
445 MARCH AVE, #C
HEALDSBURG, CA 95448
Sonoma County (707) 433-2090
DR. RONALD D. SIEGEMUND M.D.
Pediatrics
445 MARCH AVE, SUITE A
HEALDSBURG, CA 95448
Sonoma County (707) 433-8223

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 Damian Marsden's NPI number?

The NPI number for Damian Marsden is 1639166366. It was assigned to this individual provider in the NPPES registry on September 27, 2005.

Where is Damian Marsden located?

Damian Marsden practices at 445 March Ave, Healdsburg, CA 95448. The listed phone number is (707) 433-8223.

What is Damian Marsden's specialty?

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

When was this NPI record last updated?

The NPPES record for Damian Marsden 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 37 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.