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DR. JOHN J MCCARTHY M.D.
NPI 1275578486
Internal Medicine - Hematology & Oncology in Houston, TX

Active since June 19, 2006
6550 FANNIN ST, SUITE 1101, HOUSTON, TX 77030(713) 441-0006(713) 790-2727 Get Directions Write a Review

NPPES record last updated: February 19, 2013. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. John J Mccarthy M.d. NPPES

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

DR. JOHN J MCCARTHY M.D. (NPI 1275578486) is an individual hematology & oncology provider in Houston, Texas, licensed in Texas (E6501) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1275578486
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. JOHN J MCCARTHYCredential: M.D.
Location Address6550 FANNIN ST, SUITE 1101Houston, TX 77030-2717
Mailing Address6550 Fannin St, Suite 1101Houston, TX 77030-2717 · (713) 441-0006 · Fax (713) 790-2727
Phone(713) 441-0006
Fax(713) 790-2727
Sole ProprietorNo
Enumeration DateJune 19, 2006
Last NPPES UpdateFebruary 19, 2013
✔ NPI 1275578486 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in TX · E6501
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
6550 FANNIN ST, Houston, TX 77030
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Other Identifiers 7

Medicaid2122291LA
Medicare PINTXB135526TX
Medicare PIN8J1963TX
Medicaid134241209TX
OtherP01120357TX · Rr Medicare
Medicaid134241208TX
Other8W8518TX · Bcbs

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.

MEGAN MCCLANAHAN
Student in an Organized Health Care Education/Training Program
6550 FANNIN ST
HOUSTON, TX 77030
Harris County (713) 441-5155
MARIANNE CARLSON PSYD
Psychologist (Clinical)
6550 FANNIN ST
HOUSTON, TX 77030
Harris County (346) 248-2040
MARIE MCLAIN P.A.
Physician Assistant
6550 FANNIN ST, SMITH TOWER, SUITE 1901
HOUSTON, TX 77030
Harris County (713) 441-1100
DALIA MOGHAZY MD
Obstetrics & Gynecology
6550 FANNIN ST
HOUSTON, TX 77030
Harris County (713) 790-3311
YVONNE I-FANG CHU M.D.
Ophthalmology
6550 FANNIN ST, SUITE 1501
HOUSTON, TX 77030
Harris County (713) 798-6100
DR. SAM JERRY LONG D.D.S.
Dentist (General Practice)
6550 FANNIN ST, STE 2103
HOUSTON, TX 77030
Harris County (713) 797-0846
THOMAS W KNIGHT MD
Internal Medicine
6550 FANNIN ST, SMITH 1101
HOUSTON, TX 77030
Harris County (713) 441-0006
DR. JOOHI JIMENEZ-SHAHED M.D.
Psychiatry & Neurology (Neurology)
6550 FANNIN ST, SUITE 1801
HOUSTON, TX 77030
Harris County (713) 798-5975

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 John Mccarthy's NPI number?

The NPI number for John Mccarthy is 1275578486. It was assigned to this individual provider in the NPPES registry on June 19, 2006.

Where is John Mccarthy located?

John Mccarthy practices at 6550 Fannin St Suite 1101, Houston, TX 77030. The listed phone number is (713) 441-0006.

What is John Mccarthy's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

When was this NPI record last updated?

The NPPES record for John Mccarthy was last updated on February 19, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.