Gregory J Guzley, MD - Medicare Hematology/oncology in San Antonio, TX

Gregory J Guzley, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in San Antonio, Texas. He went to Baylor College Of Medicine and graduated in 1978 and has 46 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Texas Oncology Pa and his current practice location is 4411 Medical Dr, San Antonio, Texas. You can reach out to his office (for appointments etc.) via phone at (210) 595-5300.

Gregory J Guzley is licensed to practice in Texas (license number F1613) 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 1427020114.

Contact Information

Gregory J Guzley, MD
4411 Medical Dr,
San Antonio, TX 78229-3822
(210) 595-5300
(210) 614-8740



Physician's Profile

Full NameGregory J Guzley
GenderMale
SpecialityHematology/oncology
Experience46 Years
Location4411 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:
  • Gregory J Guzley attended and graduated from Baylor College Of Medicine in 1978
  NPI Data:
  • NPI Number: 1427020114
  • Provider Enumeration Date: 02/06/2006
  • Last Update Date: 01/28/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 5294832952
  • Enrollment ID: I20100127000728

Medical Identifiers

Medical identifiers for Gregory J Guzley such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1427020114NPI-NPPES
116715701MedicaidTX
116715705MedicaidTX
83Z208OtherTXBCBS
116715704MedicaidTX
P01547632OtherTXRAILROAD MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology F1613 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Methodist HospitalSan antonio, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Texas Oncology Pa5395658934855

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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. Gregory J Guzley allows following entities to bill medicare on his behalf.
Entity NameTexas Oncology Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1811944101
PECOS PAC ID: 5395658934
Enrollment ID: O20031124000323

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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. Gregory J Guzley 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
Gregory J Guzley, MD
Po Box 911230,
Dallas, TX 75391-1230

Ph: (972) 997-8000
Gregory J Guzley, MD
4411 Medical Dr,
San Antonio, TX 78229-3822

Ph: (210) 595-5300

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The U.S. Court of Appeals for the Federal Circuit has upheld the dismissal of the patent infringement lawsuit filed by Medtronic against BrainLAB AG in 1998.

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Rigel Pharmaceuticals, Inc. today reported financial results for the first quarter ended March 31, 2013. For the first quarter of 2013, Rigel reported a net loss of $25.6 million, or $0.29 per share, compared to a net loss of $23.2 million, or $0.32 per share, in the first quarter of 2012. Weighted average shares outstanding for the first quarters of 2013 and 2012 were 87.1 million and 71.4 million, respectively.

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Internal Medicine Doctors in San Antonio, TX

Dr. Dennis Anthony Ruff, M.D.
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 8307 Gault Ln, San Antonio, TX 78209
Phone: 210-798-5112    
Zarema J Singson, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 5223 Hamilton Wolfe Rd, San Antonio, TX 78229
Phone: 210-614-1234    Fax: 210-614-0952
Sapna Raghunathan, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 8300 Floyd Curl Dr, San Antonio, TX 78229
Phone: 210-450-9490    Fax: 210-450-6065
Dr. Jonathan Edward Slovik, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 4502 Medical Dr, San Antonio, TX 78229
Phone: 210-358-4000    Fax: 210-358-0647
Mr. Paul Joseph Fanucchi, NP
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: Marianist Residence, 520 Fondham, San Antonio, TX 78228
Phone: 210-434-4157    Fax: 210-433-6005
Socrates B Aramburu, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 1100 Mccullough Ave, Suite 300, San Antonio, TX 78212
Phone: 210-271-3204    Fax: 210-222-2761
David H White, M.D.
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 6800 Ih 10 W, Ste 350, San Antonio, TX 78201
Phone: 210-616-0801    

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