Thoo H Tan, DO - Medicare Obstetrics/gynecology in Mason City, IA

Thoo H Tan, DO is a medicare enrolled "Obstetrics & Gynecology" physician in Mason City, Iowa. He graduated from medical school in 1990 and has 34 years of diverse experience with area of expertise as Obstetrics/gynecology. He is a member of the group practice North Iowa Mercy Clinics and his current practice location is 1010 4th St Sw, Suite 220, Mason City, Iowa. You can reach out to his office (for appointments etc.) via phone at (641) 428-5100.

Thoo H Tan is licensed to practice in Iowa (license number 02918) 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 1104857127.

Contact Information

Thoo H Tan, DO
1010 4th St Sw, Suite 220,
Mason City, IA 50401-2857
(641) 428-5100
(641) 428-5115



Physician's Profile

Full NameThoo H Tan
GenderMale
SpecialityObstetrics/gynecology
Experience34 Years
Location1010 4th St Sw, Mason City, Iowa
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:
  • Thoo H Tan graduated from medical school in 1990
  NPI Data:
  • NPI Number: 1104857127
  • Provider Enumeration Date: 07/06/2006
  • Last Update Date: 04/20/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 7911003470
  • Enrollment ID: I20070501000178

Medical Identifiers

Medical identifiers for Thoo H Tan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1104857127NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 02918 (Iowa)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mercyone North Iowa Medical CenterMason city, IAHospital
Hancock County Health SystemBritt, IAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
North Iowa Mercy Clinics7810809076242

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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. Thoo H Tan 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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Entity NameHancock County Health System
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1689721318
PECOS PAC ID: 9739080425
Enrollment ID: O20040115001023

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Entity NameMercy Hospital Of Franciscan Sisters Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1780622613
PECOS PAC ID: 0143138636
Enrollment ID: O20040126000282

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Entity NameMason City Clinic Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043254055
PECOS PAC ID: 2860385572
Enrollment ID: O20040205001159

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Entity NameEllsworth Municipal Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1831296052
PECOS PAC ID: 2668366311
Enrollment ID: O20040212000269

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Entity NameMercy Medical Center New Hampton
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1679641419
PECOS PAC ID: 9032006325
Enrollment ID: O20040302000403

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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. Thoo H Tan 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
Thoo H Tan, DO
1010 4th St Sw, Suite 220,
Mason City, IA 50401-2857

Ph: (641) 428-5100
Thoo H Tan, DO
1010 4th St Sw, Suite 220,
Mason City, IA 50401-2857

Ph: (641) 428-5100

News Archive

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Project sets out to explore impact of solutions that involve patient-oriented intensive care environment

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Read more News

› Verified 4 days ago


Obstetrics & Gynecology Doctors in Mason City, IA

Roberto E Velez-rosado, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1010 4th St Sw, Suite 32, Mason City, IA 50401
Phone: 641-422-2100    Fax: 641-422-5115
Charles A Debrah, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1010 4th St Sw, Suite 32, Mason City, IA 50401
Phone: 641-428-5100    Fax: 641-428-5115
Jonna Marie Quinn, D.O.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1010 4th St Sw, Mason City, IA 50401
Phone: 641-428-5100    Fax: 641-428-5115
Michael W Faust, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1010 4th St Sw, Suite 32, Mason City, IA 50401
Phone: 641-428-5100    Fax: 641-428-5115
Brandon Hart,
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 1010 4th St Sw Ste 340, Mason City, IA 50401
Phone: 641-428-7766    
Mark M Leduc, DO
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1010 4th St Sw, Mason City, IA 50401
Phone: 641-428-5100    Fax: 641-428-5115

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