Dr Colleen A Aitken, MD - Medicare Family Practice in Westley, CA

Dr Colleen A Aitken, MD is a medicare enrolled "Family Medicine" physician in Westley, California. She went to Icahn School Of Medicine At Mount Sinai and graduated in 1997 and has 27 years of diverse experience with area of expertise as Family Practice. She is a member of the group practice Golden Valley Health Center and her current practice location is 301 Howard Rd, Westley, California. You can reach out to her office (for appointments etc.) via phone at (209) 894-3141.

Dr Colleen A Aitken is licensed to practice in California (license number A68298) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1811995293.

Contact Information

Dr Colleen A Aitken, MD
301 Howard Rd,
Westley, CA 95387
(209) 894-3141
(209) 894-3082

Map and Direction




Physician's Profile

Full NameDr Colleen A Aitken
GenderFemale
SpecialityFamily Practice
Experience27 Years
Location301 Howard Rd, Westley, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Colleen A Aitken attended and graduated from Icahn School Of Medicine At Mount Sinai in 1997
  NPI Data:
  • NPI Number: 1811995293
  • Provider Enumeration Date: 07/11/2005
  • Last Update Date: 03/07/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 5698739597
  • Enrollment ID: I20041118001028

Medical Identifiers

Medical identifiers for Dr Colleen A Aitken such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1811995293NPI-NPPES
00A682980OtherCABLUE SHIELD OF CA PIN
102109OtherCABOARD CERT #

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine A68298 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Golden Valley Health Center418352718765

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 Colleen A Aitken allows following entities to bill medicare on her behalf.
Entity NameGolden Valley Health Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356445753
PECOS PAC ID: 4183527187
Enrollment ID: O20040128000641
Entity NameFamily First Medical Care A Professional Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1689066029
PECOS PAC ID: 8022338854
Enrollment ID: O20150519002006

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 Colleen A Aitken 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 Colleen A Aitken, MD
737 W Childs Ave,
Merced, CA 95341-6805

Ph: (209) 383-1848
Dr Colleen A Aitken, MD
301 Howard Rd,
Westley, CA 95387

Ph: (209) 894-3141

Reviews and Comments


Family Medicine Doctors in Westley, CA


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.