Tommy Chua Sim, MD - Medicare Allergy/immunology in Friendswood, TX

Tommy Chua Sim, MD is a medicare enrolled "Allergy & Immunology - Allergy" physician in Friendswood, Texas. He graduated from medical school in 1981 and has 43 years of diverse experience with area of expertise as Allergy/immunology. His current practice location is 357 E Parkwood Ave, Friendswood, Texas. You can reach out to his office (for appointments etc.) via phone at (281) 992-3274.

Tommy Chua Sim is licensed to practice in Texas (license number H3753) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1306872353.

Contact Information

Tommy Chua Sim, MD
357 E Parkwood Ave,
Friendswood, TX 77546-5147
(281) 992-3274
(281) 992-3672

Map and Direction




Physician's Profile

Full NameTommy Chua Sim
GenderMale
SpecialityAllergy/immunology
Experience43 Years
Location357 E Parkwood Ave, Friendswood, Texas
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Tommy Chua Sim graduated from medical school in 1981
  NPI Data:
  • NPI Number: 1306872353
  • Provider Enumeration Date: 06/23/2006
  • Last Update Date: 03/18/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 4486813185
  • Enrollment ID: I20120316000114

Medical Identifiers

Medical identifiers for Tommy Chua Sim such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1306872353NPI-NPPES
123931101MedicaidTX

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207KA0200XAllergy & Immunology - Allergy H3753 (Texas)Primary

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. Tommy Chua Sim allows following entities to bill medicare on his behalf.
Entity NameTommy C. Sim, M.d., P.a.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1295009835
PECOS PAC ID: 4587823281
Enrollment ID: O20120316000093

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. Tommy Chua Sim 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
Tommy Chua Sim, MD
357 E Parkwood Ave,
Friendswood, TX 77546-5147

Ph: (281) 992-3274
Tommy Chua Sim, MD
357 E Parkwood Ave,
Friendswood, TX 77546-5147

Ph: (281) 992-3274

Reviews and Comments


Allergy & Immunology Doctors in Friendswood, TX

Dr. George William Browne, MD
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 1305 W Parkwood Ave, Suite 109, Friendswood, TX 77546
Phone: 281-648-1025    Fax: 281-648-1705

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.