Dr Giancarlo Martin Diaz-zamora, MD - Medicare Internal Medicine in Mason City, IA

Dr Giancarlo Martin Diaz-zamora, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Mason City, Iowa. His current practice location is 1000 4th St Sw, Mason City, Iowa. You can reach out to his office (for appointments etc.) via phone at (641) 428-6999.

Dr Giancarlo Martin Diaz-zamora is licensed to practice in Iowa (license number 42489) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1215191457.

Contact Information

Dr Giancarlo Martin Diaz-zamora, MD
1000 4th St Sw,
Mason City, IA 50401-2800
(641) 428-6999
(641) 428-6678



Physician's Profile

Full NameDr Giancarlo Martin Diaz-zamora
GenderMale
SpecialityInternal Medicine - Rheumatology
Location1000 4th St Sw, Mason City, Iowa
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1215191457
  • Provider Enumeration Date: 07/16/2008
  • Last Update Date: 10/11/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 7810122397
  • Enrollment ID: I20150804004212

Medical Identifiers

Medical identifiers for Dr Giancarlo Martin Diaz-zamora such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1215191457NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology 42489 (Iowa)Primary
207R00000XInternal Medicine 4301092269 (Michigan)Secondary

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 Giancarlo Martin Diaz-zamora allows following entities to bill medicare on his behalf.
Entity NameNorth Iowa Mercy Clinics
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1780278242
PECOS PAC ID: 7810809076
Enrollment ID: O20031105000273

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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. Dr Giancarlo Martin Diaz-zamora 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 Giancarlo Martin Diaz-zamora, MD
621 S Illinois Ave, Suite 103,
Mason City, IA 50401-5489

Ph: (641) 428-3041
Dr Giancarlo Martin Diaz-zamora, MD
1000 4th St Sw,
Mason City, IA 50401-2800

Ph: (641) 428-6999

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Internal Medicine Doctors in Mason City, IA

Burt Humburg, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 1000 4th St Sw, Mason City, IA 50401
Phone: 641-428-7000    Fax: 641-428-6383
Sumathy Nagraj Iyengar, M.D.,
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 1000 4th St Sw, Mercy Medical Center-hospitalist Dept, Mason City, IA 50401
Phone: 641-428-7000    
Mark C Johnson, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 910 N Eisenhower Ave, Mason City, IA 50401
Phone: 641-428-7799    Fax: 641-428-5274
Dr. Joseph Dean Mccracken, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 1000 4th St Sw, Mason City, IA 50401
Phone: 641-428-6300    Fax: 641-428-6347
Nathaniel Hitt, DO
Rheumatology
Medicare: Medicare Enrolled
Practice Location: 621 S Illinois Ave Ste 100, Mason City, IA 50401
Phone: 641-428-6900    Fax: 641-428-3909
Dr. Byron T Beasley, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 250 S Crescent Dr, Mason City, IA 50401
Phone: 641-494-5300    Fax: 641-494-5329
Radu Hagau, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 250 S Crescent Dr, Mason City, IA 50401
Phone: 641-494-5300    Fax: 641-494-5321

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