Dr Ronald L Drengler, MD - Medicare Medical Oncology in San Antonio, TX

Dr Ronald L Drengler, MD is a medicare enrolled "Internal Medicine - Medical Oncology" physician in San Antonio, Texas. He graduated from medical school in 1988 and has 36 years of diverse experience with area of expertise as Medical Oncology. He is a member of the group practice South Texas Oncology And Hematology, Pllc and his current practice location is 4383 Medical Dr, San Antonio, Texas. You can reach out to his office (for appointments etc.) via phone at (210) 593-5700.

Dr Ronald L Drengler is licensed to practice in Texas (license number J4091) 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 1265459168.

Contact Information

Dr Ronald L Drengler, MD
4383 Medical Dr,
San Antonio, TX 78229-3307
(210) 593-5700
(210) 593-5992

Map and Direction




Physician's Profile

Full NameDr Ronald L Drengler
GenderMale
SpecialityMedical Oncology
Experience36 Years
Location4383 Medical Dr, 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:
  • Dr Ronald L Drengler graduated from medical school in 1988
  NPI Data:
  • NPI Number: 1265459168
  • Provider Enumeration Date: 07/16/2006
  • Last Update Date: 07/11/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 1850458217
  • Enrollment ID: I20091217000497

Medical Identifiers

Medical identifiers for Dr Ronald L Drengler such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1265459168NPI-NPPES
118667801MedicaidTX
5412102OtherAETNA PIN #

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RX0202XInternal Medicine - Medical Oncology J4091 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Methodist HospitalSan antonio, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
South Texas Oncology And Hematology, Pllc448661802243

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 Ronald L Drengler allows following entities to bill medicare on his behalf.
Entity NameSouth Texas Oncology And Hematology, Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770664542
PECOS PAC ID: 4486618022
Enrollment ID: O20041115000331

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 Ronald L Drengler 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 Ronald L Drengler, MD
4383 Medical Dr,
San Antonio, TX 78229-3307

Ph: (210) 593-5700
Dr Ronald L Drengler, MD
4383 Medical Dr,
San Antonio, TX 78229-3307

Ph: (210) 593-5700

Reviews and Comments


Internal Medicine Doctors in San Antonio, TX

Dr. Dennis Anthony Ruff, M.D.
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Mr. Paul Joseph Fanucchi, NP
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Socrates B Aramburu, MD
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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.