DR. MICHAEL F FLESSNER MD
NPI 1669401857
Internal Medicine in Frederick, MD

Active since July 01, 2006
100 S MARKET ST, FREDERICK COMMUNITY ACTION AGENCY, FREDERICK, MD 21701(301) 600-1506(301) 662-9079 Get Directions Write a Review

NPPES record last updated: December 6, 2016. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Michael F Flessner Md NPPES

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

DR. MICHAEL F FLESSNER MD (NPI 1669401857) is an individual internal medicine provider in Frederick, Maryland, licensed in Maryland (D0035499) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1669401857
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MICHAEL F FLESSNERCredential: MD
Location Address100 S MARKET ST, FREDERICK COMMUNITY ACTION AGENCYFrederick, MD 21701-5527
Mailing Address100 S Market St, Frederick Community Action AgencyFrederick, MD 21701-5527 · (301) 600-1506 · Fax (301) 662-9079
Fax(301) 662-9079
Sole ProprietorNo
Enumeration DateJuly 1, 2006
Last NPPES UpdateDecember 6, 2016
NPI 1669401857 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MD · D0035499
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.
100 S MARKET ST, Frederick, MD 21701

Other Providers at the Same Location NPPES 7

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

Nurse Practitioner
100 S MARKET ST
FREDERICK, MD 21701
Counselor (Mental Health)
100 S MARKET ST
FREDERICK, MD 21701
Nurse Practitioner (Family)
100 S MARKET ST
FREDERICK, MD 21701
Clinic/Center (Federally Qualified Health Center (FQHC))
100 S MARKET ST
FREDERICK, MD 21701
Nurse Practitioner (Primary Care)
100 S MARKET ST
FREDERICK, MD 21701
Physician Assistant
100 S MARKET ST
FREDERICK, MD 21701
Physician Assistant
100 S MARKET ST
FREDERICK, MD 21701

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 Michael Flessner's NPI number?

The NPI number for Michael Flessner is 1669401857. It was assigned to this individual provider in the NPPES registry on July 1, 2006.

Where is Michael Flessner located?

Michael Flessner practices at 100 S Market St Frederick Community Action Agency, Frederick, MD 21701. The listed phone number is (301) 600-1506.

What is Michael Flessner'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 Michael Flessner was last updated on December 6, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.