Alan Jacob Merin, MD - Medicare Nephrology in San Antonio, TX

Alan Jacob Merin, MD is a medicare enrolled "Internal Medicine - Nephrology" physician in San Antonio, Texas. He went to Virginia Commonwealth University, School Of Medicine and graduated in 1976 and has 48 years of diverse experience with area of expertise as Nephrology. His current practice location is 1211 E Commerce St, San Antonio, Texas. You can reach out to his office (for appointments etc.) via phone at (210) 224-1079.

Alan Jacob Merin is licensed to practice in Texas (license number F6041) 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 1366440547.

Contact Information

Alan Jacob Merin, MD
1211 E Commerce St,
San Antonio, TX 78205-3307
(210) 224-1079
(210) 281-0248

Map and Direction




Physician's Profile

Full NameAlan Jacob Merin
GenderMale
SpecialityNephrology
Experience48 Years
Location1211 E Commerce St, San Antonio, 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:
  • Alan Jacob Merin attended and graduated from Virginia Commonwealth University, School Of Medicine in 1976
  NPI Data:
  • NPI Number: 1366440547
  • Provider Enumeration Date: 07/12/2005
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 8325223043
  • Enrollment ID: I20110425000846

Medical Identifiers

Medical identifiers for Alan Jacob Merin such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1366440547NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RN0300XInternal Medicine - Nephrology F6041 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Methodist HospitalSan antonio, TXHospital

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. Alan Jacob Merin allows following entities to bill medicare on his behalf.
Entity NameTexas Renal Associates P A
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1932303617
PECOS PAC ID: 5799960415
Enrollment ID: O20110422000455

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. Alan Jacob Merin 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
Alan Jacob Merin, MD
Po Box 291169,
San Antonio, TX 78229-1769

Ph: (210) 224-1079
Alan Jacob Merin, MD
1211 E Commerce St,
San Antonio, TX 78205-3307

Ph: (210) 224-1079

Reviews and Comments


Internal Medicine Doctors in San Antonio, TX

Dr. Dennis Anthony Ruff, M.D.
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Zarema J Singson, M.D.
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Dr. Jonathan Edward Slovik, MD
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Phone: 210-358-4000    Fax: 210-358-0647
Mr. Paul Joseph Fanucchi, NP
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Phone: 210-434-4157    Fax: 210-433-6005
Socrates B Aramburu, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 1100 Mccullough Ave, Suite 300, San Antonio, TX 78212
Phone: 210-271-3204    Fax: 210-222-2761

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.