Christopher Robert Mertens, MD - Medicare Pediatrics in Milwaukee, WI

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Christopher Robert Mertens, MD is a medicare enrolled "Pediatrics - Pediatric Pulmonology" physician in Milwaukee, Wisconsin. His current practice location is 9000 W Wisconsin Ave Ste B620, Milwaukee, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (414) 266-6730.

Christopher Robert Mertens is licensed to practice in Wisconsin (license number 83582-20) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1609373547.

Contact Information

Christopher Robert Mertens, MD
9000 W Wisconsin Ave Ste B620,
Milwaukee, WI 53226-4874
(414) 266-6730
(414) 266-6742

Map and Direction




Physician's Profile

Full NameChristopher Robert Mertens
GenderMale
SpecialityPediatrics - Pediatric Pulmonology
Location9000 W Wisconsin Ave Ste B620, Milwaukee, Wisconsin
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1609373547
  • Provider Enumeration Date: 04/08/2018
  • Last Update Date: 07/18/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 8022412964
  • Enrollment ID: I20210813002083

Medical Identifiers

Medical identifiers for Christopher Robert Mertens such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1609373547NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics 83582-20 (Wisconsin)Secondary
2080P0214XPediatrics - Pediatric Pulmonology 83582-20 (Wisconsin)Primary

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. Christopher Robert Mertens allows following entities to bill medicare on his behalf.
Entity NameUniversity Of Alabama Health Services Foundation, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093768723
PECOS PAC ID: 1951213107
Enrollment ID: O20031105000261

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. Christopher Robert Mertens 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
Christopher Robert Mertens, MD
9000 W Wisconsin Ave Ste B620,
Milwaukee, WI 53226-4874

Ph: (414) 266-6730		Christopher Robert Mertens, MD
9000 W Wisconsin Ave Ste B620,
Milwaukee, WI 53226-4874

Ph: (414) 266-6730

Reviews and Comments


Pediatrics Doctors in Milwaukee, WI

Sarah Marie Rumler, DO
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Medicare: Accepting Medicare Assignments
Practice Location: 9000 W Wisconsin Ave, Milwaukee, WI 53226
Phone: 414-955-4170    Fax: 414-955-6543
Alison Coren,
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Medicare: Accepting Medicare Assignments
Practice Location: 9000 W Wisconsin Ave, Milwaukee, WI 53226
Phone: 414-266-6750    Fax: 414-266-6749
Brandon Palmer, M.D.
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Practice Location: 9000 W Wisconsin Ave, Milwaukee, WI 53226
Phone: 414-337-7050    Fax: 414-337-7020
Aidan James Reid, DO
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Medicare: Medicare Enrolled
Practice Location: 9000 W Wisconsin Ave, Milwaukee, WI 53226
Phone: 414-266-6800    Fax: 414-337-7068
Austin Cummings,
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Medicare: Medicare Enrolled
Practice Location: 9200 W Wisconsin Ave, Milwaukee, WI 53226
Phone: 414-955-8296    Fax: 414-955-0175
Dr. Swati Kumar, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 9000 W Wisconsin Ave, Pediatric Infectious Diseases, Milwaukee, WI 53226
Phone: 414-337-7070    Fax: 414-337-7093
Ms. Michelle Lynn Mitchell, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 9000 W Wisconsin Ave, Milwaukee, WI 53226
Phone: 414-337-7070    Fax: 414-337-7093

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.