PROF. DAVID J TWEARDY MD
NPI 1720168065
Internal Medicine - Infectious Disease in Houston, TX
About Prof. David J Tweardy Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PROF. DAVID J TWEARDY MD (NPI 1720168065) is an individual infectious disease provider in Houston, Texas, licensed in Texas (L0668) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (1978).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Prof. David J Tweardy Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show David Tweardy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,675 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.
HOUSTON, TX 77030
HOUSTON, TX 77030
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 David Tweardy's NPI number?
The NPI number for David Tweardy is 1720168065. It was assigned to this individual provider in the NPPES registry on October 17, 2006.
Where is David Tweardy located?
David Tweardy practices at 1515 Holcombe Blvd, Houston, TX 77030. The listed phone number is (713) 792-6161.
What is David Tweardy's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is David Tweardy enrolled in Medicare?
Yes. David Tweardy is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for David Tweardy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Tweardy reassigns Medicare benefits to Physicians Referral Service (Houston, 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 David Tweardy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for David Tweardy was last updated on January 28, 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.
# Prof. David J Tweardy, MD · NPI 1720168065
Infectious Disease physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since October 17, 2006.
## Identity
- **NPI:** 1720168065 (Entity type: Individual)
- **Enumerated:** October 17, 2006
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** L0668 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1515 HOLCOMBE BLVD, Houston, TX 77030-4009
- **Phone:** (713) 792-6161
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Physicians Referral Service (NPI 1073574810, Houston, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 1978
## Record status
- **NPPES last updated:** January 28, 2015
- **Other identifiers:** Medicare PIN 352227YKQH (TX); Medicaid 141278507T (TX); Medicare UPIN F01903; and 1 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1720168065) · Data from the CMS NPPES public registry.