Dr William M Gillespie, MD - Medicare Psychiatry in Glendora, CA

Dr William M Gillespie, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Glendora, California. He went to University Of California, Geffen School Of Medicine and graduated in 1993 and has 31 years of diverse experience with area of expertise as Psychiatry. He is a member of the group practice William Gillespie And Associates Inc and his current practice location is 510 S Grand Ave Ste 200, Glendora, California. You can reach out to his office (for appointments etc.) via phone at (626) 914-1980.

Dr William M Gillespie is licensed to practice in California (license number G81203) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1538238118.

Contact Information

Dr William M Gillespie, MD
510 S Grand Ave Ste 200,
Glendora, CA 91741-4291
(626) 914-1980
(626) 914-1984

Map and Direction




Physician's Profile

Full NameDr William M Gillespie
GenderMale
SpecialityPsychiatry
Experience31 Years
Location510 S Grand Ave Ste 200, Glendora, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr William M Gillespie attended and graduated from University Of California, Geffen School Of Medicine in 1993
  NPI Data:
  • NPI Number: 1538238118
  • Provider Enumeration Date: 11/07/2006
  • Last Update Date: 02/28/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 1658427851
  • Enrollment ID: I20090912000161

Medical Identifiers

Medical identifiers for Dr William M Gillespie such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1538238118NPI-NPPES
00G812031MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry G81203 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
L A Downtown Medical Center, LlcLos angeles, CAHospital
Southern California Hospital At HollywoodHollywood, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
William Gillespie And Associates Inc751718137315

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 William M Gillespie allows following entities to bill medicare on his behalf.
Entity NameCentral City Community Health Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1235283094
PECOS PAC ID: 6608837331
Enrollment ID: O20041025001177
Entity NameWilliam Gillespie And Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1558771246
PECOS PAC ID: 7517181373
Enrollment ID: O20140617002071

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 William M Gillespie 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 William M Gillespie, MD
510 S Grand Ave Ste 200,
Glendora, CA 91741-4291

Ph: (626) 914-1980
Dr William M Gillespie, MD
510 S Grand Ave Ste 200,
Glendora, CA 91741-4291

Ph: (626) 914-1980

Reviews and Comments


Psychiatry & Neurology Doctors in Glendora, CA

Zaheib Idrees, D.O.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 415 W Route 66 Ste 202, Glendora, CA 91740
Phone: 626-963-4467    Fax: 626-963-9543
Dr. Cyrus Nasserian, M.D.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 415 W. Route 66, Suite 202, Glendora, CA 91740
Phone: 626-963-4467    Fax: 626-963-9543
Dr. Taghrid Ragheb Sidhom, M.D.
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 415 W Route 66, 202, Glendora, CA 91740
Phone: 626-963-4467    Fax: 626-963-9543
Dr. Karun Gogna, M.D.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 415 W Route 66 Ste 202, Glendora, CA 91740
Phone: 626-963-4467    Fax: 626-963-9543
Said Jacob, M.D.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 415 W Route 66 Ste 202, Glendora, CA 91740
Phone: 626-963-4467    Fax: 626-963-9543
Ghada Othman Al-asadi, MD
Psychiatry & Neurology
Medicare: May Accept Medicare Assignments
Practice Location: 415 W Route 66, Ste 202, Glendora, CA 91740
Phone: 626-963-4467    Fax: 626-963-9543

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.