Dr Ann M Gessner, DO - Medicare Obstetrics/gynecology in Marshalltown, IA

Dr Ann M Gessner, DO is a medicare enrolled "Obstetrics & Gynecology" physician in Marshalltown, Iowa. She graduated from medical school in 1996 and has 28 years of diverse experience with area of expertise as Obstetrics/gynecology. She is a member of the group practice Doran And Doran Pc and her current practice location is 407 E Main St, Marshalltown, Iowa. You can reach out to her office (for appointments etc.) via phone at (641) 752-4681.

Dr Ann M Gessner is licensed to practice in Iowa (license number #3307) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1598768269.

Contact Information

Dr Ann M Gessner, DO
407 E Main St,
Marshalltown, IA 50158-1928
(641) 752-4681
(641) 752-6572

Map and Direction




Physician's Profile

Full NameDr Ann M Gessner
GenderFemale
SpecialityObstetrics/gynecology
Experience28 Years
Location407 E Main St, Marshalltown, Iowa
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Ann M Gessner graduated from medical school in 1996
  NPI Data:
  • NPI Number: 1598768269
  • Provider Enumeration Date: 05/24/2005
  • Last Update Date: 06/10/2009
  Medicare PECOS Information:
  • PECOS PAC ID: 2860546652
  • Enrollment ID: I20090813000075

Medical Identifiers

Medical identifiers for Dr Ann M Gessner such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1598768269NPI-NPPES
#0207811MedicaidIA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology #3307 (Iowa)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mary Greeley Medical CenterAmes, IAHospital
Unitypoint Health-marshalltownMarshalltown, IAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Doran And Doran Pc14562419836

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 Ann M Gessner allows following entities to bill medicare on her behalf.
Entity NameDoran & Doran Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1417930736
PECOS PAC ID: 1456241983
Enrollment ID: O20040318000579

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 Ann M Gessner 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 Ann M Gessner, DO
407 E Main St,
Marshalltown, IA 50158-1928

Ph: (641) 752-4681
Dr Ann M Gessner, DO
407 E Main St,
Marshalltown, IA 50158-1928

Ph: (641) 752-4681

Reviews and Comments


Obstetrics & Gynecology Doctors in Marshalltown, IA

Melissa Ann Koch, CNM
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 407 E Main St, Marshalltown, IA 50158
Phone: 641-752-4681    
Dr. Richard L Dowell, DO
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 407 E Main St, Marshalltown, IA 50158
Phone: 641-752-4681    Fax: 641-752-6572

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.