Sayf Yassin, MD - Medicare Internal Medicine in Round Rock, TX

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Sayf Yassin, MD is a medicare enrolled "Internal Medicine" physician in Round Rock, Texas. He graduated from medical school in 2004 and has 20 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Hospitalist Medicine Physicians Of Texas Pllc, Hcc Of Laredo Llc and his current practice location is 201 Seton Pkwy, Round Rock, Texas. You can reach out to his office (for appointments etc.) via phone at (512) 324-4170.

Sayf Yassin is licensed to practice in Texas (license number R8293) 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 1043605371.

Contact Information

Sayf Yassin, MD
201 Seton Pkwy,
Round Rock, TX 78665-8000
(512) 324-4170
Not Available

Map and Direction




Physician's Profile

Full NameSayf Yassin
GenderMale
SpecialityInternal Medicine
Experience20 Years
Location201 Seton Pkwy, Round Rock, 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:
  • Sayf Yassin graduated from medical school in 2004
  NPI Data:
  • NPI Number: 1043605371
  • Provider Enumeration Date: 04/02/2015
  • Last Update Date: 08/11/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 8224334677
  • Enrollment ID: I20181017000479

Medical Identifiers

Medical identifiers for Sayf Yassin such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1043605371NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 66293 (Tennessee)Secondary
207R00000XInternal Medicine R8293 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Seton Medical Center WilliamsonRound rock, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Hospitalist Medicine Physicians Of Texas Pllc3476688318889
Hcc Of Laredo Llc812338652122

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. Sayf Yassin allows following entities to bill medicare on his behalf.
Entity NameCogent Healthcare Of Texas Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1992722953
PECOS PAC ID: 8628076924
Enrollment ID: O20061121000364
Entity NameVictoria Hospitalist Associates, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023236825
PECOS PAC ID: 6204927122
Enrollment ID: O20070807000680
Entity NameComprehensive Hospitalist Services Of Texas Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1295062198
PECOS PAC ID: 8022150036
Enrollment ID: O20100128000411
Entity NameHospitalist Medicine Physicians Of Texas Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1629307095
PECOS PAC ID: 3476688318
Enrollment ID: O20100317001021
Entity NameVelasco Inpatient Services Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1811295512
PECOS PAC ID: 1153508551
Enrollment ID: O20110613000486
Entity NameHcc Of Laredo Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1942712252
PECOS PAC ID: 8123386521
Enrollment ID: O20171212002255
Entity NameHospitalist Medicine Physicians Of Texas - Round Rock, Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457997199
PECOS PAC ID: 4082040910
Enrollment ID: O20200212001055
Entity NameHospitalist Medicine Physicians Of Texas - San Antonio Ii Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356987093
PECOS PAC ID: 1557798279
Enrollment ID: O20200219000239

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. Sayf Yassin 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
Sayf Yassin, MD
709 Timber Creek Cv,
Round Rock, TX 78665-5652

Ph: (202) 469-9111		Sayf Yassin, MD
201 Seton Pkwy,
Round Rock, TX 78665-8000

Ph: (512) 324-4170

Reviews and Comments


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Vu Nguyen,
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Dr. Rafael Eduardo Gonzalez, M.D.
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Dinkar Rupakula, MBBS
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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.