1. Home
  2. Directory
  3. Colorado
  4. Denver
  5. Allergy Immunology
  6. NPI Profile

DR. WILLIAM R MARSH M.D.
NPI 1447394168
Allergy & Immunology in Denver, CO

Active since February 16, 2007
10350 E DAKOTA AVE, DENVER, CO 80247(303) 338-4545 Get Directions Write a Review

NPPES record last updated: February 28, 2011. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. William R Marsh M.d. NPPES

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

DR. WILLIAM R MARSH M.D. (NPI 1447394168) is an individual allergy & immunology provider in Denver, Colorado, licensed in Colorado (24507) and active in the NPI registry since February 2007.

NPPES Registry Identity

NPI1447394168
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameDR. WILLIAM R MARSHCredential: M.D.
Location Address10350 E DAKOTA AVEDenver, CO 80247-1314
Mailing Address10350 E Dakota AveDenver, CO 80247-1314 · (303) 338-4545
Phone(303) 338-4545
Sole ProprietorNo
Enumeration DateFebruary 16, 2007
Last NPPES UpdateFebruary 28, 2011
✔ NPI 1447394168 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in CO · 24507
Definition

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

10350 E DAKOTA AVE, Denver, CO 80247
Open in Google Maps ↗

Other Identifiers 5

Other005255CO · Kaiser Commercial Member
Medicare PINCK10211CO
Medicare PINCOA103990CO
Medicare UPINE98719CO
Medicaid01245075CO

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.

DARCEY BROMBERG PERLMAN M.D.
Obstetrics & Gynecology
10350 E DAKOTA AVE
DENVER, CO 80247
Denver County (303) 338-4545
SHERI LYNN BECKFORD LPC
Counselor (Professional)
10350 E DAKOTA AVE
DENVER, CO 80247
Denver County (303) 367-2924
JOYCE S KOBAYASHI MD
Psychiatry & Neurology (Psychiatry)
10350 E DAKOTA AVE
DENVER, CO 80247
Denver County (303) 338-3800
DR. DAVID S SHOWALTER MD
Pediatrics
10350 E DAKOTA AVE
DENVER, CO 80247
Denver County (303) 338-4545
JOANN S SMITH
Pediatrics
10350 E DAKOTA AVE
DENVER, CO 80247
Denver County (303) 239-7294
JEAN S STEVENSON M.D.
Pediatrics
10350 E DAKOTA AVE
DENVER, CO 80247
Denver County (303) 338-4545
ELIZABETH L WYSS PA
Obstetrics & Gynecology
10350 E DAKOTA AVE
DENVER, CO 80247
Denver County (303) 344-7735
SCOTT L PIGFORD
Internal Medicine
10350 E DAKOTA AVE
DENVER, CO 80247
Denver County (303) 788-1218

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 William Marsh's NPI number?

The NPI number for William Marsh is 1447394168. It was assigned to this individual provider in the NPPES registry on February 16, 2007.

Where is William Marsh located?

William Marsh practices at 10350 E Dakota Ave, Denver, CO 80247. The listed phone number is (303) 338-4545.

What is William Marsh's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

When was this NPI record last updated?

The NPPES record for William Marsh was last updated on February 28, 2011. NPI Profile syncs with the weekly NPPES data releases published by CMS.