Justin Theodore Chang, MD - Medicare Hospitalist in Waterloo, IA

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Justin Theodore Chang, MD is a medicare enrolled "Family Medicine" physician in Waterloo, Iowa. He went to University Of Iowa, Rj & L Carver College Of Medicine and graduated in 2017 and has 9 years of diverse experience with area of expertise as Hospitalist. He is a member of the group practice Meriter Hospital Inc and his current practice location is 1825 Logan Ave Ste 201, Waterloo, Iowa. You can reach out to his office (for appointments etc.) via phone at (319) 235-3838.

Justin Theodore Chang is licensed to practice in Iowa (license number 47374) 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 1841729910.

Contact Information

Justin Theodore Chang, MD
1825 Logan Ave Ste 201,
Waterloo, IA 50703-1916
(319) 235-3838
Not Available

Map and Direction




Physician's Profile

Full NameJustin Theodore Chang
GenderMale
SpecialityHospitalist
Experience9 Years
Location1825 Logan Ave Ste 201, Waterloo, 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:
  • Justin Theodore Chang attended and graduated from University Of Iowa, Rj & L Carver College Of Medicine in 2017
  NPI Data:
  • NPI Number: 1841729910
  • Provider Enumeration Date: 06/12/2017
  • Last Update Date: 08/10/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 1153690169
  • Enrollment ID: I20240923001096

Medical Identifiers

Medical identifiers for Justin Theodore Chang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1841729910NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 47374 (Iowa)Primary
207Q00000XFamily Medicine 2017018876 (Missouri)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Meriter HospitalMadison, WIHospital
University Of Wi Hospitals & Clinics AuthorityMadison, WIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Meriter Hospital Inc3971412735117

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. Justin Theodore Chang allows following entities to bill medicare on his behalf.
Entity NameMeriter Hospital Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548280225
PECOS PAC ID: 3971412735
Enrollment ID: O20031126000346

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. Justin Theodore Chang 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
Justin Theodore Chang, MD
1825 Logan Ave Ste 201,
Waterloo, IA 50703-1916

Ph: (319) 235-3838		Justin Theodore Chang, MD
1825 Logan Ave Ste 201,
Waterloo, IA 50703-1916

Ph: (319) 235-3838

Reviews and Comments


Family Medicine Doctors in Waterloo, IA

Kurtis Alan Lucas, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2055 Kimball Ave Ste 101, Waterloo, IA 50702
Phone: 319-272-2112    Fax: 319-272-2107
Mark J Louviere, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 212 W Dale St, Waterloo, IA 50703
Phone: 319-235-3568    Fax: 319-235-5013
Dr. Robert L Friedman, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2055 Kimball Ave, Suite 101, Waterloo, IA 50702
Phone: 319-272-2112    Fax: 319-272-2107
Manpreet Singh Gill, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2055 Kimball Ave, Suite 101, Waterloo, IA 50702
Phone: 319-272-2112    Fax: 319-272-2107
Sejla Cejvanovic, ARNP
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 905 Franklin St, Waterloo, IA 50703
Phone: 319-874-3000    
Emily Rose Pursley, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: Medical Arts Bldg., 2055 Kimball Ave. Suite 101, Waterloo, IA 50702
Phone: 319-272-2112    
Shamim S Khan, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2055 Kimball Ave Ste 101, Waterloo, IA 50702
Phone: 319-272-2112    Fax: 319-272-2107

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.