Dr Maria Andreevna Hwang, DO - Medicare Obstetrics/gynecology in Santa Maria, CA

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Dr Maria Andreevna Hwang, DO is a medicare enrolled "Obstetrics & Gynecology" physician in Santa Maria, California. She went to West Virginia School Of Osteopathic Medicine and graduated in 2017 and has 8 years of diverse experience with area of expertise as Obstetrics/gynecology. She is a member of the group practice Pacific Central Coast Health Centers and her current practice location is 220 S Palisade Dr Ste 203, Santa Maria, California. You can reach out to her office (for appointments etc.) via phone at (805) 354-7101.

Dr Maria Andreevna Hwang is licensed to practice in California (license number 20A18799) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1235668849.

Contact Information

Dr Maria Andreevna Hwang, DO
220 S Palisade Dr Ste 203,
Santa Maria, CA 93454-8903
(805) 354-7101
(805) 354-7102

Map and Direction




Physician's Profile

Full NameDr Maria Andreevna Hwang
GenderFemale
SpecialityObstetrics/gynecology
Experience8 Years
Location220 S Palisade Dr Ste 203, Santa Maria, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Maria Andreevna Hwang attended and graduated from West Virginia School Of Osteopathic Medicine in 2017
  NPI Data:
  • NPI Number: 1235668849
  • Provider Enumeration Date: 06/07/2017
  • Last Update Date: 05/09/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 6709151145
  • Enrollment ID: I20210721001962

Medical Identifiers

Medical identifiers for Dr Maria Andreevna Hwang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1235668849NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 20A18799 (California)Primary
207V00000XObstetrics & Gynecology OT017701 (Pennsylvania)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Marian Regional Medical CenterSanta maria, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Pacific Central Coast Health Centers9739091364226

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 Maria Andreevna Hwang allows following entities to bill medicare on her behalf.
Entity NamePacific Central Coast Health Centers
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063496651
PECOS PAC ID: 9739091364
Enrollment ID: O20031103000443

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 Maria Andreevna Hwang 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 Maria Andreevna Hwang, DO
210 S Palisade Dr Ste 101,
Santa Maria, CA 93454-5932

Ph: (805) 922-0481		Dr Maria Andreevna Hwang, DO
220 S Palisade Dr Ste 203,
Santa Maria, CA 93454-8903

Ph: (805) 354-7101

Reviews and Comments


Obstetrics & Gynecology Doctors in Santa Maria, CA

Dr. Kerri S Wiltchik, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 220 South Palisade Drive, Suite 201, Santa Maria, CA 93454
Phone: 805-347-2100    Fax: 805-347-2114
Dr. Taimur L Chaudhry, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 220 S Palisade Dr Ste 203, Santa Maria, CA 93454
Phone: 805-354-7101    Fax: 805-354-7102
Rebecca K Jones, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 220 S Palisade Dr Ste 203, Santa Maria, CA 93454
Phone: 805-354-7101    
Keith Oliver Dillon, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 1510 E Main St, Suite 104, Santa Maria, CA 93454
Phone: 805-739-3262    Fax: 805-354-7013
Dr. Eli S Zinner, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 116 South Palisade Drive, Suite 104, Santa Maria, CA 93454
Phone: 805-739-3957    Fax: 805-739-3958
Dr. Tad Patrick Callahan, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 210 S Palisade Dr Ste 101, Santa Maria, CA 93454
Phone: 805-922-0481    Fax: 805-925-5261

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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