Marieli Guzman, MD - Medicare Obstetrics & Gynecology in Chicago, IL

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Marieli Guzman, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Chicago, Illinois. Her current practice location is 4700 S California Ave, Chicago, Illinois. You can reach out to her office (for appointments etc.) via phone at (312) 942-7100.

Marieli Guzman is licensed to practice in Illinois (license number 036164470) 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 1821556341.

Contact Information

Marieli Guzman, MD
4700 S California Ave,
Chicago, IL 60632-2016
(312) 942-7100
Not Available

Map and Direction




Physician's Profile

Full NameMarieli Guzman
GenderFemale
SpecialityObstetrics & Gynecology
Location4700 S California Ave, Chicago, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1821556341
  • Provider Enumeration Date: 03/04/2019
  • Last Update Date: 12/28/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 5597115196
  • Enrollment ID: I20231222000562

Medical Identifiers

Medical identifiers for Marieli Guzman such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1821556341NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 036164470 (Illinois)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. Marieli Guzman allows following entities to bill medicare on her behalf.
Entity NameEsperanza Health Centers
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1124187125
PECOS PAC ID: 2961453105
Enrollment ID: O20050204000750

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. Marieli Guzman 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
Marieli Guzman, MD
600 S Paulina St Ste 403,
Chicago, IL 60612-3806

Ph: () -		Marieli Guzman, MD
4700 S California Ave,
Chicago, IL 60632-2016

Ph: (312) 942-7100

Reviews and Comments


Obstetrics & Gynecology Doctors in Chicago, IL

Elizabeth Isak,
Obstetrics & Gynecology
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Practice Location: 680 N Lake Shore Dr Ste 810, Chicago, IL 60611
Phone: 312-926-8811    Fax: 312-926-8855
Malavika Kalyani Perinchery, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 5841 S Maryland Ave # Mc2050, Chicago, IL 60637
Phone: 773-834-0598    
Margaret C Schermerhorn, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 1620 W Harrison St, Chicago, IL 60612
Phone: 312-942-5000    
Maria Teresa Tam, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 2845 N Sheridan Rd, Ste 902, Chicago, IL 60657
Phone: 773-904-8641    Fax: 872-888-1206
Mr. Clyde Harris Lawson, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 8234 S. Ashland Avenue, Chicago, IL 60620
Phone: 773-874-1400    Fax: 773-874-9245
Rebekah Osgood, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 680 N Lake Shore Dr Ste 810, Chicago, IL 60611
Phone: 312-926-3627    Fax: 312-587-9802
Dr. Sarah Hoque, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 2001 S California Ave, Chicago, IL 60608
Phone: 773-584-6200    

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.