Dr Douglas Logan Williamson, DNP - Medicare in San Luis Obispo, CA

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Dr Douglas Logan Williamson, DNP is a medicare enrolled "Registered Nurse - Psychiatric/mental Health" in San Luis Obispo, California. His current practice location is 1304 Ella St Ste B, San Luis Obispo, California. You can reach out to his office (for appointments etc.) via phone at (805) 541-6000.

Dr Douglas Logan Williamson is licensed to practice in California (license number NP95016180) 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 1386240844.

Contact Information

Dr Douglas Logan Williamson, DNP
1304 Ella St Ste B,
San Luis Obispo, CA 93401-4166
(805) 541-6000
(805) 541-6001

Map and Direction




Provider's Profile

Full NameDr Douglas Logan Williamson
GenderMale
Speciality
Experience Years
Location1304 Ella St Ste B, San Luis Obispo, 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 Douglas Logan Williamson attended and graduated from in
  NPI Data:
  • NPI Number: 1386240844
  • Provider Enumeration Date: 12/09/2020
  • Last Update Date: 03/20/2025
  Medicare PECOS Information:
  • PECOS PAC ID:
  • Enrollment ID:

Medical Identifiers

Medical identifiers for Dr Douglas Logan Williamson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1386240844NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
163WP0808XRegistered Nurse - Psychiatric/mental Health NP95016180 (California)Primary

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 Douglas Logan Williamson 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 Douglas Logan Williamson, DNP
1304 Ella St Ste B,
San Luis Obispo, CA 93401-4166

Ph: (805) 541-6000		Dr Douglas Logan Williamson, DNP
1304 Ella St Ste B,
San Luis Obispo, CA 93401-4166

Ph: (805) 541-6000

Reviews and Comments


Registered Nurse Nurses in San Luis Obispo, CA

Ms. Irene E. Vega, RN, PHN
Registered Nurse
Medicare: Not Enrolled in Medicare
Practice Location: 2191 Johnson Ave, San Luis Obispo, CA 93401
Phone: 805-781-5535    Fax: 805-781-1372
Mary J. Jody Benson, RN
Registered Nurse
Medicare: Not Enrolled in Medicare
Practice Location: 351 Corrida Dr, San Luis Obispo, CA 93401
Phone: 805-546-0313    Fax: 805-782-9107
Heather Cameron,
Registered Nurse
Medicare: Not Enrolled in Medicare
Practice Location: 2180 Johnson Ave, San Luis Obispo, CA 93401
Phone: 805-781-4716    
Federico Castillo Iii, R.N.
Registered Nurse
Medicare: Not Enrolled in Medicare
Practice Location: 2178 Johnson Ave, San Luis Obispo, CA 93401
Phone: 805-781-4752    
Sharon Beryl Maslow, R.N.
Registered Nurse
Medicare: Not Enrolled in Medicare
Practice Location: 2178 Johnson Ave, San Luis Obispo, CA 93401
Phone: 805-781-4725    
Linda Darlene Winborne, RN
Registered Nurse
Medicare: Not Enrolled in Medicare
Practice Location: 2178 Johnson Ave, San Luis Obispo, CA 93401
Phone: 805-781-4700    Fax: 805-781-1272
Karen Jennifer Greene, RN
Registered Nurse
Medicare: Not Enrolled in Medicare
Practice Location: 2178 Johnson Ave, San Luis Obispo, CA 93401
Phone: 805-781-4712    

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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