Nelson Rafael Kalaf, MD - Medicare Internal Medicine in Mission, TX

Nelson Rafael Kalaf, MD is a medicare enrolled "Internal Medicine" physician in Mission, Texas. He graduated from medical school in 1989 and has 35 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Nelson R. Kalaf, Md P.a. and his current practice location is 2023 E Griffin Pkwy, Mission, Texas. You can reach out to his office (for appointments etc.) via phone at (956) 585-2525.

Nelson Rafael Kalaf is licensed to practice in Texas (license number L 0307) 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 1205858107.

Contact Information

Nelson Rafael Kalaf, MD
2023 E Griffin Pkwy,
Mission, TX 78572-3222
(956) 585-2525
(956) 585-0225

Map and Direction




Physician's Profile

Full NameNelson Rafael Kalaf
GenderMale
SpecialityInternal Medicine
Experience35 Years
Location2023 E Griffin Pkwy, Mission, 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:
  • Nelson Rafael Kalaf graduated from medical school in 1989
  NPI Data:
  • NPI Number: 1205858107
  • Provider Enumeration Date: 07/23/2006
  • Last Update Date: 02/06/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 4385608835
  • Enrollment ID: I20041116001132

Medical Identifiers

Medical identifiers for Nelson Rafael Kalaf such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1205858107NPI-NPPES
092532305MedicaidTX
092532303MedicaidTX

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine L 0307 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Hhn Healthcare LlcMcallen, TXHome health agency
Doctors Hospital At RenaissanceEdinburg, TXHospital
Mission Regional Medical CenterMission, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Nelson R. Kalaf, Md P.a.17593452002

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. Nelson Rafael Kalaf allows following entities to bill medicare on his behalf.
Entity NameNelson R. Kalaf, Md P.a.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1811028921
PECOS PAC ID: 1759345200
Enrollment ID: O20041115001310

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. Nelson Rafael Kalaf 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
Nelson Rafael Kalaf, MD
2023 E Griffin Pkwy,
Mission, TX 78572-3222

Ph: (956) 585-2525
Nelson Rafael Kalaf, MD
2023 E Griffin Pkwy,
Mission, TX 78572-3222

Ph: (956) 585-2525

Reviews and Comments


Internal Medicine Doctors in Mission, TX

Dr. Harold J Pean, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 909 Business Park Dr Ste 6, Mission, TX 78572
Phone: 956-519-0770    Fax: 956-519-0718
Dr. Rolando Hinojosa, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 2112 E Griffin Pkwy, Mission, TX 78572
Phone: 956-581-6366    Fax: 956-519-6638
Amanda Noemi Cantu, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1112 E Griffin Pkwy Ste D, Mission, TX 78572
Phone: 956-603-1557    Fax: 956-800-6369
Carlos C Vela, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3002 Santa Alejandra, Mission, TX 78572
Phone: 956-566-3860    
Dr. Silvia Castillo Sy, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 910 S Bryan Rd Ste 209, Mission, TX 78572
Phone: 956-424-1511    Fax: 956-424-3575
Robbie L Martin, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 301 N Shary Rd, Lot 133, Mission, TX 78572
Phone: 303-482-2723    

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.