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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MARILYN NEWSOM M.D.
NPI 1013991603
Psychiatry & Neurology - Neurology in Boulder, CO

Active since December 06, 2005
2750 BROADWAY ST, BOULDER, CO 80304(303) 440-3000 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Marilyn Newsom M.d. NPPES

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

MARILYN NEWSOM M.D. (NPI 1013991603) is an individual neurology provider in Boulder, Colorado, licensed in Colorado (26686) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1013991603
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameMARILYN NEWSOMCredential: M.D.
Location Address2750 BROADWAY STBoulder, CO 80304-3573
Mailing Address2750 Broadway StBoulder, CO 80304-3573 · (303) 440-3000
Phone(303) 440-3000
Sole ProprietorNo
Enumeration DateDecember 6, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1013991603 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in CO · 26686
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
2750 BROADWAY ST, Boulder, CO 80304
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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.

REFORM HEALTH & REHAB, LLC
Physical Therapist
2750 BROADWAY ST
BOULDER, CO 80304
Boulder County (303) 440-3034
JILL SIEGFRIED M.D.
Family Medicine
2750 BROADWAY ST
BOULDER, CO 80304
Boulder County (303) 440-3000
MRS. KAREN BANT-KREUTZER ANP-C
Nurse Practitioner (Adult Health)
2750 BROADWAY ST
BOULDER, CO 80304
Boulder County (303) 440-3000
ALEXANDRA MARIE PARSHALL AU.D.
Audiologist-Hearing Aid Fitter
2750 BROADWAY ST
BOULDER, CO 80304
Boulder County (303) 440-3073
KARIN SUSSKIND M.D.
Family Medicine
2750 BROADWAY ST
BOULDER, CO 80304
Boulder County (303) 440-3000
DR. EMILY K WARD M.D.
Internal Medicine (Gastroenterology)
2750 BROADWAY ST
BOULDER, CO 80304
Boulder County (303) 440-3216
JENNIFER B GRODBERG MD
Internal Medicine
2750 BROADWAY ST
BOULDER, CO 80304
Boulder County (303) 440-3082
BOULDER MEDICAL CENTER, P.C.
Clinic/Center (Urgent Care)
2750 BROADWAY ST
BOULDER, CO 80304
Boulder County (303) 440-3200

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 Marilyn Newsom's NPI number?

The NPI number for Marilyn Newsom is 1013991603. It was assigned to this individual provider in the NPPES registry on December 6, 2005.

Where is Marilyn Newsom located?

Marilyn Newsom practices at 2750 Broadway St, Boulder, CO 80304. The listed phone number is (303) 440-3000.

What is Marilyn Newsom's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

When was this NPI record last updated?

The NPPES record for Marilyn Newsom was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.