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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.

DR. ALAN LESTER ROSENBERG M.D.
NPI 1639145923
Internal Medicine - Rheumatology in Denver, CO

Active since February 27, 2006
4200 W CONEJOS PL, #424, DENVER, CO 80204(303) 629-3865 Get Directions Write a Review

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

About Dr. Alan Lester Rosenberg M.d. NPPES

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

DR. ALAN LESTER ROSENBERG M.D. (NPI 1639145923) is an individual rheumatology provider in Denver, Colorado, licensed in Colorado (15588) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1639145923
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameDR. ALAN LESTER ROSENBERGCredential: M.D.
Location Address4200 W CONEJOS PL, #424Denver, CO 80204-1333
Mailing Address4200 W Conejos Pl, #424Denver, CO 80204-1333 · (303) 629-3865
Phone(303) 629-3865
Sole ProprietorNo
Enumeration DateFebruary 27, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1639145923 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in CO · 15588
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
4200 W CONEJOS PL, Denver, CO 80204
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Other Providers at the Same Location NPPES 8

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

FRED GROSSMAN, MD
Specialist
4200 W CONEJOS PL, SUITE 536
DENVER, CO 80204
Denver County (303) 571-1355
DAVID MUNOZ M.D.
General Practice
4200 W CONEJOS PL, SUITE 134
DENVER, CO 80204
Denver County (720) 321-8880
DR. GEORGE V. ROSSIE PH.D.
Specialist
4200 W CONEJOS PL, #111
DENVER, CO 80204
Denver County (303) 893-9300
ALLISON M WILDER RN
Registered Nurse
4200 W CONEJOS PL, #516
DENVER, CO 80204
Denver County (303) 629-3717
MISS LINDSAY JANE GOSS RN
Registered Nurse
4200 W CONEJOS PL, SUITE 516
DENVER, CO 80204
Denver County (303) 629-3815
MEREDITH COOLEY R.N.
Registered Nurse
4200 W CONEJOS PL, #516
DENVER, CO 80204
Denver County (303) 629-3717
RALEIGH PROF PHARMACY INC
Pharmacy (Long Term Care Pharmacy)
4200 W CONEJOS PL
DENVER, CO 80204
Denver County (303) 573-5601
MS. JENNIFER ANN SCHOLL RN
Registered Nurse
4200 W CONEJOS PL, SUITE 516
DENVER, CO 80204
Denver County (303) 629-3706

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 Alan Rosenberg's NPI number?

The NPI number for Alan Rosenberg is 1639145923. It was assigned to this individual provider in the NPPES registry on February 27, 2006.

Where is Alan Rosenberg located?

Alan Rosenberg practices at 4200 W Conejos Pl #424, Denver, CO 80204. The listed phone number is (303) 629-3865.

What is Alan Rosenberg's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

When was this NPI record last updated?

The NPPES record for Alan Rosenberg 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 40 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.