Dr Walter Sam Mazen Jr, MD - Medicare Obstetrics & Gynecology in Chico, CA

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Dr Walter Sam Mazen Jr, MD is a medicare enrolled "Obstetrics & Gynecology - Obstetrics" physician in Chico, California. His current practice location is 1665 Esplanade, Chico, California. You can reach out to his office (for appointments etc.) via phone at (530) 895-0423.

Dr Walter Sam Mazen Jr is licensed to practice in California (license number G45960) 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 1649292624.

Contact Information

Dr Walter Sam Mazen Jr, MD
1665 Esplanade,
Chico, CA 95926-3312
(530) 895-0423
(530) 895-1872

Map and Direction




Physician's Profile

Full NameDr Walter Sam Mazen Jr
GenderMale
SpecialityObstetrics & Gynecology - Obstetrics
Location1665 Esplanade, Chico, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1649292624
  • Provider Enumeration Date: 07/25/2006
  • Last Update Date: 03/07/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 1951434547
  • Enrollment ID: I20100809001099

Medical Identifiers

Medical identifiers for Dr Walter Sam Mazen Jr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1649292624NPI-NPPES
GROO43570MedicaidCA
G45960OtherCACALIFORNIA STATE LICENSE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207VX0000XObstetrics & Gynecology - Obstetrics G45960 (California)Primary
207VG0400XObstetrics & Gynecology - Gynecology G45960 (California)Secondary

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 Walter Sam Mazen Jr allows following entities to bill medicare on his behalf.
Entity NameEnloe Medical Center
Entity TypePart B Supplier - Hospital Department(s)
Entity IdentifiersNPI Number: 1023420726
PECOS PAC ID: 9739092388
Enrollment ID: O20141203002585

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 Walter Sam Mazen Jr 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 Walter Sam Mazen Jr, MD
1665 Esplanade,
Chico, CA 95926-3312

Ph: (530) 895-0423		Dr Walter Sam Mazen Jr, MD
1665 Esplanade,
Chico, CA 95926-3312

Ph: (530) 895-0423

Reviews and Comments


Obstetrics & Gynecology Doctors in Chico, CA

Dr. Christine Huse Sloop, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 111 Raley Blvd Ste 140, Chico, CA 95928
Phone: 530-342-5776    Fax: 530-898-0178
Melissa Leigh Dawson,
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1405 Magnolia Avenue, Suite A, Chico, CA 95926
Phone: 530-332-5080    
Dr. Maurice Valcarenghi, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 635 W East Ave, Chico, CA 95926
Phone: 530-343-2024    Fax: 530-343-2088
Dr. Alicia C Taylor, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 1665 Esplanade, Chico, CA 95926
Phone: 504-261-9875    
Dr. Steven Craig Lazaro, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1665 Esplanade, Chico, CA 95926
Phone: 530-895-0423    Fax: 530-895-1872
Kacie Rounds,
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1423 Magnolia Ave, Chico, CA 95926
Phone: 530-332-5010    
Marjorie Shelton-gross,
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 1469 Humboldt Rd, Suite 200, Chico, CA 95928
Phone: 530-891-1917    

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).

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