Dr Troy Christopher Williams, MD - Medicare Obstetrics & Gynecology in Westlake Village, CA

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Dr Troy Christopher Williams, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Westlake Village, California. His current practice location is 32144 Agoura Rd, Suite 207, Westlake Village, California. You can reach out to his office (for appointments etc.) via phone at (818) 597-9300.

Dr Troy Christopher Williams is licensed to practice in California (license number A103922) 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 1093929630.

Contact Information

Dr Troy Christopher Williams, MD
32144 Agoura Rd, Suite 207,
Westlake Village, CA 91361-4031
(818) 597-9300
(818) 597-9328

Map and Direction




Physician's Profile

Full NameDr Troy Christopher Williams
GenderMale
SpecialityObstetrics & Gynecology
Location32144 Agoura Rd, Westlake Village, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1093929630
  • Provider Enumeration Date: 05/10/2007
  • Last Update Date: 08/04/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 9638121692
  • Enrollment ID: I20090610000254

Medical Identifiers

Medical identifiers for Dr Troy Christopher Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1093929630NPI-NPPES
1467607127MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207VH0002XObstetrics & Gynecology - Hospice And Palliative Medicine 4301080639 (Michigan)Secondary
207V00000XObstetrics & Gynecology A103922 (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 Troy Christopher Williams allows following entities to bill medicare on his behalf.
Entity NameTrillium Med Spa Cosmetic Surgery And Laser Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1467607127
PECOS PAC ID: 6103175500
Enrollment ID: O20180817002050

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 Troy Christopher Williams 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 Troy Christopher Williams, MD
32144 Agoura Rd, Suite 207,
Westlake Village, CA 91361-4031

Ph: (818) 597-9300		Dr Troy Christopher Williams, MD
32144 Agoura Rd, Suite 207,
Westlake Village, CA 91361-4031

Ph: (818) 597-9300

Reviews and Comments


Obstetrics & Gynecology Doctors in Westlake Village, CA

Dr. Jane R Udkoff, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 1265 Canyon Rim Cir, Westlake Village, CA 91362
Phone: 818-865-1963    Fax: 818-865-9767
Christin Ann Field, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 32144 Agoura Rd Ste 100, Westlake Village, CA 91361
Phone: 805-557-7180    
Alexandra Lenox, DO, MPH
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 32144 Agoura Rd Ste 100, Westlake Village, CA 91361
Phone: 805-557-7180    Fax: 805-557-7181
Robert Boostanfar, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 1220 La Venta Rd, Westlake Village, CA 91361
Phone: 805-374-1737    Fax: 805-374-1736
Dr. Leena Shankar Nathan, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1250 La Venta Dr, Suite 105, Westlake Village, CA 91361
Phone: 805-557-7180    Fax: 805-557-7181
Michael Alan Feinman, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 1220 La Venta Rd, Westlake Village, CA 91361
Phone: 805-374-1737    Fax: 805-374-1736

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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