John Mccarthy, M.D.
NPI 1275578486 · Hematology & Oncology Physician · Houston, TX
John Mccarthy, M.D. is a Hematology & Oncology Physician provider in Houston, TX (NPI 1275578486).
Provider details
- NPI number
- 1275578486
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- E6501 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-19
- Last updated
- 2013-02-19
Frequently asked questions
- What is John Mccarthy's NPI number?
- John Mccarthy's National Provider Identifier (NPI) is 1275578486, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mccarthy's specialty?
- John Mccarthy is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John Mccarthy located?
- John Mccarthy's practice location on file with NPPES is 6550 Fannin St, Houston, TX 77030-2717.
- What is John Mccarthy's phone number?
- The practice phone number listed in the NPPES registry for John Mccarthy is (713) 441-0006.
- Is John Mccarthy's NPI active?
- Yes — John Mccarthy's NPI (1275578486) is active in the NPPES registry as of the last update on 2013-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.