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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.

CHARLES CLEMMENSEN M.D.
NPI 1871551747
Internal Medicine in Carson City, NV

Active since May 02, 2006
1100 S CARSON ST, CARSON CITY, NV 89701(775) 883-7811 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Charles Clemmensen M.d. NPPES

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

CHARLES CLEMMENSEN M.D. (NPI 1871551747) is an individual internal medicine provider in Carson City, Nevada, licensed in Nevada (3757) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1871551747
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameCHARLES CLEMMENSENCredential: M.D.
Location Address1100 S CARSON STCarson City, NV 89701-5232
Mailing Address1100 S Carson StCarson City, NV 89701-5232 · (775) 883-7811
Phone(775) 883-7811
Sole ProprietorNo
Enumeration DateMay 2, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1871551747 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NV · 3757
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.
Also ListedDermatologyTaxonomy 207N00000X · License 3757 (NV)
Also ListedDermatology · MOHS-Micrographic SurgeryTaxonomy 207ND0101X · License 3757 (NV)
Also ListedDermatology · DermatopathologyTaxonomy 207ND0900X · License 3757 (NV)
Also ListedDermatology · Procedural DermatologyTaxonomy 207NS0135X · License 3757 (NV)
1100 S CARSON ST, Carson City, NV 89701
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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.

DR. DAVID ALAN TACK M.D.
Dermatology
1100 S CARSON ST
CARSON CITY, NV 89701
Carson City (775) 883-7811
CLEMMENSEN, ADAMS, & TACK PSC
Dermatology
1100 S CARSON ST
CARSON CITY, NV 89701
Carson City (775) 883-7811
DR. RUTH ELIZABETH ADAMS M.D.
Dermatology (MOHS-Micrographic Surgery)
1100 S CARSON ST, CARSON DEMATOLOGY
CARSON CITY, NV 89701
Carson City (775) 883-7811

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 Charles Clemmensen's NPI number?

The NPI number for Charles Clemmensen is 1871551747. It was assigned to this individual provider in the NPPES registry on May 2, 2006.

Where is Charles Clemmensen located?

Charles Clemmensen practices at 1100 S Carson St, Carson City, NV 89701. The listed phone number is (775) 883-7811.

What is Charles Clemmensen'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 Charles Clemmensen 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 22 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.