Dr Wen S Lai, MD - Medicare Internal Medicine in Irving, TX

Dr Wen S Lai, MD is a medicare enrolled "Internal Medicine" physician in Irving, Texas. She went to University Of Texas Southwestern Medical School At Dallas and graduated in 1994 and has 30 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice University Of Texas Southwestern Medical Center and her current practice location is 701 Tuscan Dr, Irving, Texas. You can reach out to her office (for appointments etc.) via phone at (214) 964-0600.

Dr Wen S Lai is licensed to practice in Texas (license number J8631) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1689698870.

Contact Information

Dr Wen S Lai, MD
701 Tuscan Dr,
Irving, TX 75039-4133
(214) 964-0600
(214) 964-0638

Map and Direction




Physician's Profile

Full NameDr Wen S Lai
GenderFemale
SpecialityInternal Medicine
Experience30 Years
Location701 Tuscan Dr, Irving, Texas
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Wen S Lai attended and graduated from University Of Texas Southwestern Medical School At Dallas in 1994
  NPI Data:
  • NPI Number: 1689698870
  • Provider Enumeration Date: 07/27/2006
  • Last Update Date: 05/13/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 1557453040
  • Enrollment ID: I20070829000221

Medical Identifiers

Medical identifiers for Dr Wen S Lai such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1689698870NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine J8631 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Ut Southwestern University Hospital - William P. Clements Jr.Dallas, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University Of Texas Southwestern Medical Center06481882502588

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Wen S Lai allows following entities to bill medicare on her behalf.
Entity NameUniversity Of Texas Southwestern Medical Center At Dallas
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1972579365
PECOS PAC ID: 0648188250
Enrollment ID: O20031106000792

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Wen S Lai is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Wen S Lai, MD
Po Box 845347,
Dallas, TX 75284-7208

Ph: (214) 964-0600
Dr Wen S Lai, MD
701 Tuscan Dr,
Irving, TX 75039-4133

Ph: (214) 964-0600

Reviews and Comments


Internal Medicine Doctors in Irving, TX

Dr. Padmavathy Uppalapati, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1110 Cottonwood Ln, Suite 105, Irving, TX 75038
Phone: 972-607-2525    Fax: 972-252-8837
Rupal Chiniwala, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 6750 N Macarthur Blvd, Suite 150, Irving, TX 75039
Phone: 972-373-0303    Fax: 972-373-8074
Dr. Harikrishna Raja, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 440 W Lyndon B Johnson Fwy Ste 405, Irving, TX 75063
Phone: 972-993-5080    Fax: 972-993-5081
Dr. Deepika Alavala Reddy, M.D
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1901 N Macarthur Blvd, Irving, TX 75061
Phone: 972-579-8100    Fax: 972-579-3972
Mrs. Devyani V Deshpande, M.D
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 7200 N State Hwy 161, Suite 220, Irving, TX 75039
Phone: 214-689-7806    Fax: 214-689-5970
Dr. Sarju Waghela, D.O
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2001 N Macarthur Blvd, #630, Irving, TX 75061
Phone: 972-256-3537    Fax: 972-255-7916
Nauman Siddiqi, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1110 Cottonwood Ln, # 105, Irving, TX 75038
Phone: 972-607-2525    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.