DR. THADDAEUS DAVID MAY MD
NPI 1073752283
Internal Medicine in Houston, TX
About Dr. Thaddaeus David May Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THADDAEUS DAVID MAY MD (NPI 1073752283) is an individual internal medicine provider in Houston, Texas, licensed in Texas (N3170) and active in the NPI registry since February 2009. He is enrolled in Medicare PECOS and maintains a secondary practice location in Houston.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
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)
Dr. Thaddaeus David May Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Thaddaeus May reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,296 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,554 clinicians in this Medicare group
Pasadena, TX 77505
- Reassigned Medicare billing, Texas enrollment
- 644 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
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
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 Thaddaeus May's NPI number?
The NPI number for Thaddaeus May is 1073752283. It was assigned to this individual provider in the NPPES registry on February 11, 2009.
Where is Thaddaeus May located?
Thaddaeus May practices at 1504 Taub Loop, Houston, TX 77030. The listed phone number is (713) 832-8890.
What is Thaddaeus May's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Thaddaeus May enrolled in Medicare?
Yes. Thaddaeus May is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Thaddaeus May's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thaddaeus May reassigns Medicare benefits to 3 organizations: Baylor College Of Medicine (Houston, TX), Baylor College Of Medicine (Houston, TX) and Integrative Emergency Services Physician Group-Houston PLLC (Pasadena, TX). Each 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 Thaddaeus May's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thaddaeus May accept?
Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Thaddaeus May 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 Thaddaeus May was last updated on January 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.
# Dr. Thaddaeus David May, MD · NPI 1073752283
Internal Medicine physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since February 11, 2009.
## Identity
- **NPI:** 1073752283 (Entity type: Individual)
- **Enumerated:** February 11, 2009
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** N3170 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1504 TAUB LOOP, Houston, TX 77030-1608
- **Phone:** (713) 832-8890
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Baylor College Of Medicine (NPI 1053352914, Houston, TX); Baylor College Of Medicine (NPI 1881026664, Houston, TX); Integrative Emergency Services Physician Group-Houston PLLC (NPI 1801458708, Pasadena, TX) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 27, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1073752283) · Data from the CMS NPPES public registry.