MICHAEL J. GRADY M.D., P.C.
NPI 1487834735
Internal Medicine in Washington, DC

Active since November 04, 2007CLIA 09D2128799 · Waiver
4201 CATHEDRAL AVE NW, 114WEST, WASHINGTON, DC 20016(202) 686-0813(202) 222-0429 Get Directions Write a Review

NPPES record last updated: January 25, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Michael J. Grady M.d., P.c. NPPES

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

MICHAEL J. GRADY M.D., P.C. (NPI 1487834735) is a healthcare organization registered as an internal medicine in Washington, District Of Columbia and active in the NPI registry since November 2007. The organization holds a CLIA Waiver certificate valid through April 5, 2027 and lists Michael John Grady, President, as its authorized official.

NPPES Registry Identity

NPI1487834735
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMICHAEL J. GRADY M.D., P.C.
Location Address4201 CATHEDRAL AVE NW, 114WESTWashington, DC 20016-4901
Mailing Address4201 Cathedral Ave Nw, 114westWashington, DC 20016-4901 · (202) 686-0813 · Fax (202) 222-0429
Fax(202) 222-0429
Organization SubpartNo
Authorized OfficialMichael John GradyPresident · (202) 686-0813
Enumeration DateNovember 4, 2007
Last NPPES UpdateJanuary 25, 2008
NPI 1487834735 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in DC · MD15901
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.
4201 CATHEDRAL AVE NW, Washington, DC 20016

Other Identifiers 1

Medicare PING00759DC

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 09D2128799

Michael J Grady, MD PC · Washington, DC
Active · expires Apr 5, 2027
CLIA Number09D2128799
Laboratory TypePhysician Office
Certificate Effective DateApril 6, 2025
Certificate Expiration DateApril 5, 2027
Laboratory DirectorDr. Michael J. Grady
Laboratory Phone(202) 686-0813
Laboratory LocationMichael J Grady, MD PC4910 Mass Ave, NW #114, Washington, DC 20016
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 10

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

Technician (Personal Care Attendant)
4201 CATHEDRAL AVE NW
WASHINGTON, DC 20016
Home Health
4201 CATHEDRAL AVE NW
WASHINGTON, DC 20016
Counselor (Mental Health)
4201 CATHEDRAL AVE NW
WASHINGTON, DC 20016
Technician (Personal Care Attendant)
4201 CATHEDRAL AVE NW
WASHINGTON, DC 20016
Dentist (General Practice)
4201 CATHEDRAL AVE NW, SUITE 109 WEST
WASHINGTON, DC 20016
Internal Medicine
4201 CATHEDRAL AVE NW, #114W
WASHINGTON, DC 20016
Home Health Aide
4201 CATHEDRAL AVE NW
WASHINGTON, DC 20016
Specialist
4201 CATHEDRAL AVE NW
WASHINGTON, DC 20016

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 J. Grady M.D., P.C.'s NPI number?

The NPI number for Michael J. Grady M.D., P.C. is 1487834735. It was assigned to this organization in the NPPES registry on November 4, 2007.

Where is Michael J. Grady M.D., P.C. located?

Michael J. Grady M.D., P.C. is located at 4201 Cathedral Ave NW 114west, Washington, DC 20016. The listed phone number is (202) 686-0813.

What is Michael J. Grady M.D., P.C.'s specialty?

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

Does Michael J. Grady M.D., P.C. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 09D2128799) is associated with this NPI, valid through April 5, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Michael J. Grady M.D., P.C. was last updated on January 25, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.