Adriana Koek, - Medicare Psychiatry & Neurology in Vallejo, CA

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Adriana Koek, is a medicare enrolled "Psychiatry & Neurology - Neurology" physician in Vallejo, California. Her current practice location is 975 Sereno Dr, Vallejo, California. You can reach out to her office (for appointments etc.) via phone at (707) 651-1000.

Adriana Koek is licensed to practice in California (license number FK3063132) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1255992251.

Contact Information

Adriana Koek,
975 Sereno Dr,
Vallejo, CA 94589-2441
(707) 651-1000
Not Available

Map and Direction




Physician's Profile

Full NameAdriana Koek
GenderFemale
SpecialityPsychiatry & Neurology - Neurology
Location975 Sereno Dr, Vallejo, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1255992251
  • Provider Enumeration Date: 06/21/2019
  • Last Update Date: 09/17/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 9537494307
  • Enrollment ID: I20240730001234

Medical Identifiers

Medical identifiers for Adriana Koek such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1255992251NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084N0400XPsychiatry & Neurology - Neurology FK3063132 (California)Primary
2084N0400XPsychiatry & Neurology - Neurology MD220852 (Oregon)Secondary
390200000XStudent In An Organized Health Care Education/training Program 4351044750 (Michigan)Secondary

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. Adriana Koek allows following entities to bill medicare on her behalf.
Entity NameLegacy Clinics Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1902827272
PECOS PAC ID: 0244144004
Enrollment ID: O20031117000089
Entity NameTuality Medical Group Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073929782
PECOS PAC ID: 7416173414
Enrollment ID: O20140729000238

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. Adriana Koek 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
Adriana Koek,
1549 Valleda Ln,
Encinitas, CA 92024-2413

Ph: () -		Adriana Koek,
975 Sereno Dr,
Vallejo, CA 94589-2441

Ph: (707) 651-1000

Reviews and Comments


Psychiatry & Neurology Doctors in Vallejo, CA

Jose L. Recio, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 975 Sereno Dr, Vallejo, CA 94589
Phone: 707-651-1000    
Dr. Robert S Blum, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 1416 Tennessee St, Ste 6, Vallejo, CA 94590
Phone: 707-552-6633    Fax: 707-552-0702
Bindu Padmanabha, M.D.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 975 Sereno Dr, Vallejo, CA 94589
Phone: 707-651-1077    
Vivek B. Pai, MD
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 975 Sereno Dr, Vallejo, CA 94589
Phone: 707-651-1000    
Christine Tjandra,
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 975 Sereno Dr, H31 Neurology, Vallejo, CA 94589
Phone: 707-651-1090    
Dr. David Leonard Kutz, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 1761 Broadway St Ste 100, Vallejo, CA 94589
Phone: 707-645-2700    

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.