JOHN MONTAGUE MCCARTHY MD
NPI 1205400363
Emergency Medicine in Houston, TX
About John Montague Mccarthy Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN MONTAGUE MCCARTHY MD (NPI 1205400363) is an individual emergency medicine provider in Houston, Texas, licensed in Texas (U8393) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
John Montague Mccarthy Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show John Mccarthy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Austin, TX 78705
- Reassigned Medicare billing, Texas enrollment
- 1,511 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 1205400363. It was assigned to this individual provider in the NPPES registry on May 13, 2021.
Where is John Mccarthy located?
John Mccarthy practices at 6431 Fannin St Ste Jjl 2706, Houston, TX 77030. The listed phone number is (713) 500-7878.
What is John Mccarthy's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is John Mccarthy enrolled in Medicare?
Yes. John Mccarthy is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for John Mccarthy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Mccarthy reassigns Medicare benefits to Travis County Emergency Physicians PA (Austin, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Mccarthy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Mccarthy accept?
Health plans from Blue Cross and Blue Shield of Texas, Harbor Health and Sendero Health Plans, Local Nonprofit list John Mccarthy as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for John Mccarthy was last updated on May 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# John Montague Mccarthy, MD · NPI 1205400363
Emergency Medicine physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since May 13, 2021.
## Identity
- **NPI:** 1205400363 (Entity type: Individual)
- **Enumerated:** May 13, 2021
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** U8393 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 6431 FANNIN ST STE JJL 2706, Houston, TX 77030-1501
- **Phone:** (713) 500-7878 · **Fax:** (713) 500-0758
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Travis County Emergency Physicians PA (NPI 1962440933, Austin, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 1, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1205400363) · Data from the CMS NPPES public registry.