Dr John Adam Hamilton, MD - Medicare Orthopedic Surgery in Marshalltown, IA

Dr John Adam Hamilton, MD is a medicare enrolled "Orthopaedic Surgery" physician in Marshalltown, Iowa. He went to Creighton University School Of Medicine and graduated in 2006 and has 18 years of diverse experience with area of expertise as Orthopedic Surgery. He is a member of the group practice Mcfarland Clinic Pc and his current practice location is 421 E Merle Hibbs Blvd, Marshalltown, Iowa. You can reach out to his office (for appointments etc.) via phone at (641) 844-2213.

Dr John Adam Hamilton is licensed to practice in Iowa (license number 48358) 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 1982720231.

Contact Information

Dr John Adam Hamilton, MD
421 E Merle Hibbs Blvd,
Marshalltown, IA 50158-1992
(641) 844-2213
(641) 752-5132

Map and Direction




Physician's Profile

Full NameDr John Adam Hamilton
GenderMale
SpecialityOrthopedic Surgery
Experience18 Years
Location421 E Merle Hibbs Blvd, Marshalltown, 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:
  • Dr John Adam Hamilton attended and graduated from Creighton University School Of Medicine in 2006
  NPI Data:
  • NPI Number: 1982720231
  • Provider Enumeration Date: 03/21/2007
  • Last Update Date: 07/17/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 3072785211
  • Enrollment ID: I20210406000750

Medical Identifiers

Medical identifiers for Dr John Adam Hamilton such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1982720231NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207X00000XOrthopaedic Surgery 53573 (Minnesota)Secondary
207X00000XOrthopaedic Surgery 57-012100 (Ohio)Secondary
207X00000XOrthopaedic Surgery 69507 (Wisconsin)Secondary
207X00000XOrthopaedic Surgery 48358 (Iowa)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Unitypoint Health-marshalltownMarshalltown, IAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mcfarland Clinic Pc1254244239320

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 John Adam Hamilton allows following entities to bill medicare on his behalf.
Entity NameMcfarland Clinic Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1639135643
PECOS PAC ID: 1254244239
Enrollment ID: O20031106000338

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 John Adam Hamilton 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 John Adam Hamilton, MD
1215 Duff Ave,
Ames, IA 50010-5469

Ph: (515) 239-4400
Dr John Adam Hamilton, MD
421 E Merle Hibbs Blvd,
Marshalltown, IA 50158-1992

Ph: (641) 844-2213

Reviews and Comments


Orthopaedic Surgery Doctors in Marshalltown, IA

Darin James Larson, M.D.
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 51 Unitypoint Way, Marshalltown, IA 50158
Phone: 641-844-6259    
Dr. Bradley A Lister, MD
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 312 East Main, Mcfarland Clinic, Pc, Marshalltown, IA 50158
Phone: 641-752-0654    Fax: 641-844-2206
Dr. Margaret J Fehrle, MD
Orthopedic Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 312 E Main St, Suite 2400, Marshalltown, IA 50158
Phone: 641-752-7191    Fax: 641-752-2781
Dr. Robert S Young Ii, MD
Orthopedic Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 312 E Main St, Suite 2400, Marshalltown, IA 50158
Phone: 641-752-7191    Fax: 641-752-2781

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.