JAMES A. MAHER JR., MD, PLLC
NPI 1700054525
Internal Medicine - Gastroenterology in Houston, TX
About James A. Maher Jr., Md, Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES A. MAHER JR., MD, PLLC (NPI 1700054525) is a healthcare organization registered as a gastroenterology in Houston, Texas and active in the NPI registry since February 2008. The organization lists James A. Maher, Ownder, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
James A. Maher Jr., Md, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by March 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to James A. Maher Jr., MD, PLLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.
Clinicians, nearest first (2)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 James A. Maher Jr., MD, PLLC's NPI number?
The NPI number for James A. Maher Jr., MD, PLLC is 1700054525. It was assigned to this organization in the NPPES registry on February 14, 2008.
Where is James A. Maher Jr., MD, PLLC located?
James A. Maher Jr., MD, PLLC is located at 19255 Park Row Suite 104, Houston, TX 77084. The listed phone number is (281) 945-5190.
What is James A. Maher Jr., MD, PLLC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is James A. Maher Jr., MD, PLLC enrolled in Medicare?
Yes. James A. Maher Jr., MD, PLLC is registered in the Medicare PECOS enrollment system.
When is James A. Maher Jr., MD, PLLC's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Texas, Clinic/Group Practice) is due for revalidation by March 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through James A. Maher Jr., MD, PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to James A. Maher Jr., MD, PLLC, in Gastroenterology and Nurse Practitioner. A 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 the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for James A. Maher Jr., MD, PLLC was last updated on February 9, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# James A. Maher Jr., Md, Pllc · NPI 1700054525
Gastroenterology organization in Houston, Texas. Organization record, active in the CMS NPPES registry since February 14, 2008.
## Identity
- **NPI:** 1700054525 (Entity type: Organization)
- **Enumerated:** February 14, 2008
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Organization subpart:** No
- **Authorized official:** James Maher, OWNDER
## Practice location
- **Address:** 19255 PARK ROW, SUITE 104, Houston, TX 77084-7309
- **Phone:** (281) 945-5190 · **Fax:** (281) 945-5194
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** March 31, 2027 (Non-DME Part B, Texas, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Gastroenterology (1), Nurse Practitioner (1); 1 practice at this address and 2 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 9, 2015
- **Other identifiers:** Medicare UPIN B64638 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1700054525) · Data from the CMS NPPES public registry.