HENRY ALLEN, MD, PA
NPI 1861627382
Internal Medicine in Richardson, TX
About Henry Allen, Md, Pa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HENRY ALLEN, MD, PA (NPI 1861627382) is a healthcare organization registered as an internal medicine in Richardson, Texas and active in the NPI registry since May 2009. The organization lists Henry Allen, Owner/physician, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Henry Allen, Md, Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Henry Allen, MD, PA, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Henry Allen, MD, PA's NPI number?
The NPI number for Henry Allen, MD, PA is 1861627382. It was assigned to this organization in the NPPES registry on May 28, 2009.
Where is Henry Allen, MD, PA located?
Henry Allen, MD, PA is located at 331 Melrose Drive Suite 220, Richardson, TX 75080. The listed phone number is (469) 828-1903.
What is Henry Allen, MD, PA's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Henry Allen, MD, PA enrolled in Medicare?
Yes. Henry Allen, MD, PA is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Henry Allen, MD, PA?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Henry Allen, MD, PA. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Henry Allen, MD, PA was last updated on February 14, 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.
# Henry Allen, Md, Pa · NPI 1861627382
Internal Medicine organization in Richardson, Texas. Organization record, active in the CMS NPPES registry since May 28, 2009.
## Identity
- **NPI:** 1861627382 (Entity type: Organization)
- **Enumerated:** May 28, 2009
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Henry Allen, OWNER/PHYSICIAN
## Practice location
- **Address:** 331 MELROSE DRIVE, SUITE 220, Richardson, TX 75080
- **Phone:** (469) 828-1903 · **Fax:** (469) 374-3851
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Internal Medicine) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 14, 2024
- **Other identifiers:** Other 0083QP (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1861627382) · Data from the CMS NPPES public registry.