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DR. DOUGLAS MCCALLUM M.D.
NPI 1801893110
Internal Medicine in Denver, CO

Active since June 30, 2005
425 S CHERRY ST, SUITE 510, DENVER, CO 80246(303) 388-4076(303) 320-0439 Get Directions Write a Review

NPPES record last updated: October 4, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Douglas Mccallum M.d. NPPES

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

DR. DOUGLAS MCCALLUM M.D. (NPI 1801893110) is an individual internal medicine provider in Denver, Colorado, licensed in Colorado (21565) and active in the NPI registry since June 2005.

NPPES Registry Identity

NPI1801893110
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. DOUGLAS MCCALLUMCredential: M.D.
Location Address425 S CHERRY ST, SUITE 510Denver, CO 80246-1226
Mailing Address1707 Cole Blvd, Ste 100Golden, CO 80401-3220 · (303) 716-8013 · Fax (303) 763-5495
Phone(303) 388-4076
Fax(303) 320-0439
Sole ProprietorNo
Enumeration DateJune 30, 2005
Last NPPES UpdateOctober 4, 2013
✔ NPI 1801893110 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CO · 21565
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
425 S CHERRY ST, Denver, CO 80246
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Other Identifiers 3

Medicare UPIND23952CO
Medicare ID-Type UnspecifiedN1654CO
Medicaid01215656CO

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.

PAMELA ELAINE HAGLUND PSY.D.
Psychologist (Clinical)
425 S CHERRY ST, SUITE 440
DENVER, CO 80246
Arapahoe County (303) 756-5464
ROBERT GEORGE MATHEWSON PT
Physical Therapist
425 S CHERRY ST, SUITE 640
DENVER, CO 80246
Arapahoe County (303) 333-3493
MRS. JENNIFER LYN PALMER DPT
Physical Therapist
425 S CHERRY ST, 640
DENVER, CO 80246
Arapahoe County (303) 333-3493
DR. JAMES RANDALL JONAS D.C.
Chiropractor
425 S CHERRY ST, SUITE 580
DENVER, CO 80246
Arapahoe County (303) 399-5117
DR. DON C ROYAL D.C.
Chiropractor (Orthopedic)
425 S CHERRY ST, SUITE 410
DENVER, CO 80246
Arapahoe County (303) 422-8430
BRIDGET POWERS LMT
Massage Therapist
425 S CHERRY ST
DENVER, CO 80246
Arapahoe County (720) 840-8766
TERESA M LOWERY DDS
Dentist (General Practice)
425 S CHERRY ST, #210
DENVER, CO 80246
Arapahoe County (303) 753-0922
DR. STACEY LOUISE FRY PSY.D.
Psychologist
425 S CHERRY ST, SUITE 720
DENVER, CO 80246
Arapahoe County (720) 635-0661

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 Douglas Mccallum's NPI number?

The NPI number for Douglas Mccallum is 1801893110. It was assigned to this individual provider in the NPPES registry on June 30, 2005.

Where is Douglas Mccallum located?

Douglas Mccallum practices at 425 S Cherry St Suite 510, Denver, CO 80246. The listed phone number is (303) 388-4076.

What is Douglas Mccallum's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Douglas Mccallum was last updated on October 4, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.