Douglas T Summerfield, MD - Medicare Internal Medicine in Mason City, IA

Douglas T Summerfield, MD is a medicare enrolled "Internal Medicine - Critical Care Medicine" physician in Mason City, Iowa. He went to Creighton University School Of Medicine and graduated in 2007 and has 17 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice North Iowa Mercy Clinics and 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.

Douglas T Summerfield is licensed to practice in Iowa (license number 41014) 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 1518120633.

Contact Information

Douglas T Summerfield, MD
1000 4th St Sw,
Mason City, IA 50401-2800
(641) 428-6999
(641) 428-6678



Physician's Profile

Full NameDouglas T Summerfield
GenderMale
SpecialityInternal Medicine
Experience17 Years
Location1000 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:
  • Douglas T Summerfield attended and graduated from Creighton University School Of Medicine in 2007
  NPI Data:
  • NPI Number: 1518120633
  • Provider Enumeration Date: 07/09/2008
  • Last Update Date: 05/30/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 9638202211
  • Enrollment ID: I20130913000742

Medical Identifiers

Medical identifiers for Douglas T Summerfield such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1518120633NPI-NPPES
408284OtherVAANTHEM BC/BS
5915367MedicaidNC
PAROtherVAMULTIPLAN
PAROtherVACIGNA
10061644OtherVAOPTIMA HEALTH
1518120633MedicaidVA
PAROtherVAVIRGINIA HEALTH NETWORK
PAROtherVAAETNA
PAROtherVACORVEL/CORCARE
PAROtherVAVA PREMIER HEALTH PLAN
PAROtherVAUSA MANAGED CARE
PAROtherVAUNITED HEALTH CARE/MAMSI
PAROtherVAFIRST HEALTH COMMERCIAL/COVENTRY HEALTH/SOUTHERN HEALTH

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 0101246408 (Virginia)Secondary
207RC0200XInternal Medicine - Critical Care Medicine 54611 (Minnesota)Secondary
207RC0200XInternal Medicine - Critical Care Medicine 105450 (Minnesota)Secondary
207RC0200XInternal Medicine - Critical Care Medicine 41014 (Iowa)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mercyone North Iowa Medical CenterMason city, IAHospital
Kossuth Regional Health CenterAlgona, IAHospital
Floyd County Medical CenterCharles city, IAHospital
Palo Alto County HospitalEmmetsburg, 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. Douglas T Summerfield 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. Douglas T Summerfield 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
Douglas T Summerfield, MD
621 S Illinois Ave Ste 103,
Mason City, IA 50401-5489

Ph: (641) 428-3041
Douglas T Summerfield, 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
Critical Care Medicine
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.,
Critical Care Medicine
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
Critical Care Medicine
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.
Critical Care Medicine
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
Critical Care Medicine
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
Critical Care Medicine
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
Critical Care Medicine
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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