William C Koonce, MD - Medicare Internal Medicine in Santa Barbara, CA

William C Koonce, MD is a medicare enrolled "Internal Medicine" physician in Santa Barbara, California. He went to University Of California, Irvine, California College Of Medicine and graduated in 1985 and has 39 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 219 Nogales Ave, Ste B, Santa Barbara, California. You can reach out to his office (for appointments etc.) via phone at (805) 682-7200.

William C Koonce is licensed to practice in California (license number G58414) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1124010095.

Contact Information

William C Koonce, MD
219 Nogales Ave, Ste B,
Santa Barbara, CA 93105-3848
(805) 682-7200
(805) 682-3278

Map and Direction




Physician's Profile

Full NameWilliam C Koonce
GenderMale
SpecialityInternal Medicine
Experience39 Years
Location219 Nogales Ave, Santa Barbara, California
Accepts Medicare AssignmentsMay be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • William C Koonce attended and graduated from University Of California, Irvine, California College Of Medicine in 1985
  NPI Data:
  • NPI Number: 1124010095
  • Provider Enumeration Date: 08/17/2005
  • Last Update Date: 09/09/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 1658404371
  • Enrollment ID: I20100802000858

Medical Identifiers

Medical identifiers for William C Koonce such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1124010095NPI-NPPES
00G584140OtherCABLUE SHIELD
1124010095MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine G58414 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Visiting Nurse And Hospice Care Of Santa BarbaraSanta barbara, CAHospice
Santa Barbara Cottage HospitalSanta barbara, CAHospital
Goleta Valley Cottage HospitalSanta barbara, CAHospital
Casa DorindaSanta barbara, CANursing home

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. William C Koonce allows following entities to bill medicare on his behalf.
Entity NameMontecito Retirement Association
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952608960
PECOS PAC ID: 2769676519
Enrollment ID: O20110519000222

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. William C Koonce 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
William C Koonce, MD
219 Nogales Ave, Ste B,
Santa Barbara, CA 93105-3848

Ph: (805) 682-7200
William C Koonce, MD
219 Nogales Ave, Ste B,
Santa Barbara, CA 93105-3848

Ph: (805) 682-7200

Reviews and Comments


Internal Medicine Doctors in Santa Barbara, CA

Dr. Bonnie Beth Prinz, M.D.
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Phone: 805-681-1760    Fax: 805-681-1768
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Ashley Thorsell, M.D.
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Phone: 805-681-7820    Fax: 805-681-7869
Anita Rai, M.D.
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Phone: 805-964-9858    
Dr. Josephine Phyllis Preciado, M.D.,
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Practice Location: 300 N San Antonio Rd, Santa Barbara, CA 93110
Phone: 805-681-5461    
Joseph Aragon, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 317 W Pueblo St, Santa Barbara, CA 93105
Phone: 805-681-1761    Fax: 805-681-1768

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.