Renee C Lassila, MD - Medicare Pediatrics in Portage, MI

Renee C Lassila, MD is a medicare enrolled "Pediatrics" physician in Portage, Michigan. Her current practice location is 2700 East Centre Ave, Portage, Michigan. You can reach out to her office (for appointments etc.) via phone at (269) 286-7050.

Renee C Lassila is licensed to practice in Michigan (license number 4301065740) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1619903317.

Contact Information

Renee C Lassila, MD
2700 East Centre Ave,
Portage, MI 49002
(269) 286-7050
(269) 286-7051

Map and Direction




Physician's Profile

Full NameRenee C Lassila
GenderFemale
SpecialityPediatrics
Location2700 East Centre Ave, Portage, Michigan
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1619903317
  • Provider Enumeration Date: 06/24/2006
  • Last Update Date: 11/27/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 2860586047
  • Enrollment ID: I20070919000232

Medical Identifiers

Medical identifiers for Renee C Lassila such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1619903317NPI-NPPES
3214207MedicaidMI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics 4301065740 (Michigan)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. Renee C Lassila allows following entities to bill medicare on her behalf.
Entity NameBronson Methodist Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1417961137
PECOS PAC ID: 0244148633
Enrollment ID: O20031208000832
Entity NameAscension Medical Group Promed
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1497709869
PECOS PAC ID: 7315856077
Enrollment ID: O20031216000478

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. Renee C Lassila 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
Renee C Lassila, MD
5943 Stadium Dr, Ste 3,
Kalamazoo, MI 49009-3016

Ph: () -
Renee C Lassila, MD
2700 East Centre Ave,
Portage, MI 49002

Ph: (269) 286-7050

Reviews and Comments


Pediatrics Doctors in Portage, MI

Sara Ehlke-bejcek, MD
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Practice Location: 2680 W Centre Ave, Portage, MI 49024
Phone: 269-324-2400    Fax: 269-324-0450
Linda Garrison,
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Phone: 269-329-0944    
Dr. Anthony J Van Es, MD
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Phone: 269-381-0118    Fax: 269-381-4610
Dr. Elena Jean Lewis, MD
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Practice Location: 1324 W Milham Ave, Suite 1, Portage, MI 49024
Phone: 269-342-0196    Fax: 269-342-0532
Thomas R Akland, DO
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Julie Elias, MD
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Medicare: Medicare Enrolled
Practice Location: 2680 W Centre Ave, Portage, MI 49024
Phone: 269-324-2400    Fax: 269-324-0450
Sandra Wiederhold, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 670 Mall Dr, Portage, MI 49024
Phone: 269-327-1900    

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.

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