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DR. ALEX BAKER O.D.
NPI 1427287598
Optometrist in Davis, CA

Active since July 09, 2009PECOS EnrolledAccepts Medicare Assignment
2019 ANDERSON RD STE C, DAVIS, CA 95616(530) 756-5050(530) 204-5995 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 14, 2019, Apr 18, 2019 (2 updates tracked since 2019).

About Dr. Alex Baker O.d. NPPES

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

DR. ALEX BAKER O.D. (NPI 1427287598) is an individual optometrist in Davis, California, licensed in California (13792) and active in the NPI registry since July 2009. He is enrolled in Medicare PECOS and is a graduate of University Of California - School Of Optometry (2009).

NPPES Registry Identity

NPI1427287598
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. ALEX BAKERCredential: O.D.
Location Address2019 ANDERSON RD STE CDavis, CA 95616-0773
Mailing Address2019 Anderson Rd Ste CDavis, CA 95616-0773 · (530) 756-5050 · Fax (530) 204-5995
Phone(530) 756-5050
Fax(530) 204-5995
Sole ProprietorNo
Medical School CMSUniversity Of California - School Of OptometryGraduated 2009
Enumeration DateJuly 9, 2009
Last NPPES UpdateNovember 27, 20232 updates tracked since enumeration
✔ NPI 1427287598 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in CA · 13792
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
2019 ANDERSON RD STE C, Davis, CA 95616
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Other Names 1

Professional Name (2)Dr. Alexander Lyle Baker O.d.

Other Identifiers 1

OtherCB563YCA · Medicare Ptan

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Alex Baker O.d. 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 ID3870647084
PECOS Enrollment IDI20090821000164
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.

Medicare Billing Reassignment

Medicare enrollment records show Alex Baker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Baker Optometry, Inc.
Same address
Optometrist
2019 ANDERSON RD STE C
Davis, CA 95616
  • Reassigned Medicare billing, California enrollment
  • 5 clinicians in this Medicare group
NPI 1295398931 (530) 756-5050

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

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.

Photography of the retina 92250
Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.
409 services392 patients
Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
344 services340 patients
New patient complete exam of visual system 92004
A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.
54 services54 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
22 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95616 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
$137.20 typical visit price
range $60.44 – $180.85
Typical copayment $34.30 (range $15.11 – $45.21)
Most-billed visit code 99204
Established Patient
$75.03 typical visit price
range $19.88 – $148.15
Typical copayment $18.75 (range $4.97 – $37.03)
Most-billed visit code 99213
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 3

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

BAKER OPTOMETRY, INC.
Optometrist
2019 ANDERSON RD STE C
DAVIS, CA 95616
Yolo County (530) 756-5050
DR. RUBENS XHEMALAJ OD
Optometrist
2019 ANDERSON RD STE C
DAVIS, CA 95616
Yolo County (530) 756-5050
MELISSA BARNETT ERICKSON O.D.
Optometrist
2019 ANDERSON RD STE C
DAVIS, CA 95616
Yolo County (530) 756-5050

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 Alex Baker's NPI number?

The NPI number for Alex Baker is 1427287598. It was assigned to this individual provider in the NPPES registry on July 9, 2009. The provider is also known as Dr. Alexander Lyle Baker O.D..

Where is Alex Baker located?

Alex Baker practices at 2019 Anderson Rd Ste C, Davis, CA 95616. The listed phone number is (530) 756-5050.

What is Alex Baker's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Alex Baker enrolled in Medicare?

Yes. Alex Baker 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.

Which organization bills Medicare for Alex Baker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alex Baker reassigns Medicare benefits to Baker Optometry, Inc. (Davis, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alex Baker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alex Baker accept?

Health plans from Anthem Blue Cross and Blue Shield and Providence Health Plan list Alex Baker as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Alex Baker was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.