Dr Rosalie Fernandez Sia, MD - Medicare Pediatrics in Modesto, CA

Dr Rosalie Fernandez Sia, MD is a medicare enrolled "Pediatrics" physician in Modesto, California. Her current practice location is 1510 Florida Ave, Modesto, California. You can reach out to her office (for appointments etc.) via phone at (209) 574-1030.

Dr Rosalie Fernandez Sia is licensed to practice in California (license number C129786) 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 1316972250.

Contact Information

Dr Rosalie Fernandez Sia, MD
1510 Florida Ave,
Modesto, CA 95350-4437
(209) 574-1030
(209) 574-1038

Map and Direction




Physician's Profile

Full NameDr Rosalie Fernandez Sia
GenderFemale
SpecialityPediatrics
Location1510 Florida Ave, Modesto, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1316972250
  • Provider Enumeration Date: 07/11/2006
  • Last Update Date: 07/21/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 5597819086
  • Enrollment ID: I20150713002931

Medical Identifiers

Medical identifiers for Dr Rosalie Fernandez Sia such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1316972250NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics 001069 (New York)Secondary
2080P0204XPediatrics - Pediatric Emergency Medicine 001069 (New York)Secondary
208000000XPediatrics C129786 (California)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. Dr Rosalie Fernandez Sia allows following entities to bill medicare on her behalf.
Entity NameGolden Valley Health Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356445753
PECOS PAC ID: 4183527187
Enrollment ID: O20040128000641

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 Rosalie Fernandez Sia 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 Rosalie Fernandez Sia, MD
1910 Customer Care Way,
Atwater, CA 95301-5167

Ph: (209) 384-6488
Dr Rosalie Fernandez Sia, MD
1510 Florida Ave,
Modesto, CA 95350-4437

Ph: (209) 574-1030

Reviews and Comments


Pediatrics Doctors in Modesto, CA

Charnjeet K Randhawa, M.D.
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Medicare: Medicare Enrolled
Practice Location: 4601 Dale Rd, Modesto, CA 95356
Phone: 209-735-5000    Fax: 559-459-4569
Chaithra Sreenath, MD
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Practice Location: 401 Paradise Rd Ste E102, Modesto, CA 95351
Phone: 209-558-4000    
Mohamed Ashkar,
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Practice Location: 1510 Florida Ave, Modesto, CA 95350
Phone: 209-722-4842    
Lee T Donohue, M.D.
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Practice Location: 600 Coffee Rd, Modesto, CA 95355
Phone: 209-569-7408    
Angela I Lin, MD
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Medicare: Medicare Enrolled
Practice Location: 1144 Coffee Rd, Modesto, CA 95355
Phone: 209-550-4744    
Miss Donna Silva, NP
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Medicare: Not Enrolled in Medicare
Practice Location: 4120 Prescott Rd, Modesto, CA 95356
Phone: 209-544-7300    Fax: 209-544-7323
Dr. Mary Jessie Sumithra, M.D
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Medicare: Medicare Enrolled
Practice Location: 4125 Bangs Ave, Modesto, CA 95356
Phone: 209-557-1630    

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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