DR. COLLEEN A. AITKEN MD
NPI 1811995293
Family Medicine in Westley, CA

Active since July 11, 2005PECOS EnrolledAccepts Medicare Assignment
301 HOWARD RD, WESTLEY, CA 95387(209) 894-3141(209) 894-3082 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 7, 2023, Nov 16, 2017 (2 updates tracked since 2017).

About Dr. Colleen A. Aitken Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. COLLEEN A. AITKEN MD (NPI 1811995293) is an individual family medicine provider in Westley, California, licensed in California (A68298) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS and is a graduate of Icahn School Of Medicine At Mount Sinai (1997).

NPPES Registry Identity

NPI1811995293
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. COLLEEN A. AITKENCredential: MD
Location Address301 HOWARD RDWestley, CA 95387
Mailing Address737 W Childs AveMerced, CA 95341-6805 · (209) 383-1848 · Fax (209) 383-1296
Fax(209) 894-3082
Sole ProprietorNo
Medical School CMSIcahn School Of Medicine At Mount SinaiGraduated 1997
Enumeration DateJuly 11, 2005
Last NPPES UpdateMarch 7, 20232 updates tracked since enumeration
NPI 1811995293 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in CA · A68298
Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

301 HOWARD RD, Westley, CA 95387

Other Identifiers 2

Other00A682980CA · Blue Shield Of Ca Pin
Other102109CA · Board Cert #

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Colleen A. Aitken Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5698739597
PECOS Enrollment IDI20041118001028
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95387 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.32 typical visit price
range $58.87 – $176.60
Typical copayment $22.58 (range $14.71 – $44.15)
Most-billed visit code 99203
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor (School)
301 HOWARD RD
WESTLEY, CA 95387
Physician Assistant (Medical)
301 HOWARD RD
WESTLEY, CA 95387
Physician Assistant (Medical)
301 HOWARD RD
WESTLEY, CA 95387
Physician Assistant (Medical)
301 HOWARD RD
WESTLEY, CA 95387
Clinic/Center (Federally Qualified Health Center (FQHC))
301 HOWARD RD
WESTLEY, CA 95387

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Colleen Aitken's NPI number?

The NPI number for Colleen Aitken is 1811995293. It was assigned to this individual provider in the NPPES registry on July 11, 2005.

Where is Colleen Aitken located?

Colleen Aitken practices at 301 Howard Rd, Westley, CA 95387. The listed phone number is (209) 894-3141.

What is Colleen Aitken's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Colleen Aitken enrolled in Medicare?

Yes. Colleen Aitken is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Colleen Aitken was last updated on March 7, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.