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ALAN C. WESTEREN M.D.
NPI 1962513135
Ophthalmology in San Diego, CA

Active since August 31, 2006PECOS EnrolledAccepts Medicare Assignment
16486 BERNARDO CENTER DR, SUITE C-150, SAN DIEGO, CA 92128(858) 673-2277(858) 451-3733 Get Directions Write a Review

NPPES record last updated: October 21, 2009. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Alan C. Westeren M.d. NPPES

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

ALAN C. WESTEREN M.D. (NPI 1962513135) is an individual ophthalmology provider in San Diego, California, licensed in California (G79738) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (1993).

NPPES Registry Identity

NPI1962513135
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameALAN C. WESTERENCredential: M.D.
Location Address16486 BERNARDO CENTER DR, SUITE C-150San Diego, CA 92128-2518
Mailing Address4629 Cass St, #59San Diego, CA 92109-2805 · (858) 673-2277 · Fax (858) 451-3733
Phone(858) 673-2277
Fax(858) 451-3733
Sole ProprietorNo
Medical School CMSGeorgetown University School Of MedicineGraduated 1993
Enumeration DateAugust 31, 2006
Last NPPES UpdateOctober 21, 2009
✔ NPI 1962513135 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in CA · G79738
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
16486 BERNARDO CENTER DR, San Diego, CA 92128
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Other Identifiers 12

Medicare ID-Type UnspecifiedW18008CA · Costa Mesa Office
OtherMD-072371-LPA · Pa State Medical License#
OtherG79738CA · Ca State Medical License#
Other11179547CA · Caqh Provider Id#
Medicare ID-Type UnspecifiedG79738CA · Individual Medicare #
Medicare ID-Type UnspecifiedW18008ACA · Poway Office
Medicare PINWG79738ICA
Medicare PINWG79738GCA
Medicare UPING34554CA
Medicaid00G797380CA
Medicare ID-Type UnspecifiedW18008BCA · San Diego Office
Medicare PINWG79738HCA

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

Alan C. Westeren M.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 ID9335133495
PECOS Enrollment IDI20040412001174
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 6

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.

Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
413 services32 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
132 services30 patients
Extended exam of the back part of the eye with optic nerve drawing 92202
This procedure involves a detailed examination of the back part of your eye, focusing on the optic nerve, a crucial component for vision. A drawing or map of the optic nerve is created to help track any changes over time. This can help detect eye diseases early.
83 services29 patients
Exam of visual field with extended testing 92083
An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.
64 services24 patients
Extended exam of the back part of the eye with retinal drawing 92201
This procedure involves a detailed examination of the back part of your eye, including the retina. It helps identify any abnormalities or issues. A retinal drawing is made to record findings. It's non-invasive and crucial for maintaining eye health.
57 services29 patients
Imaging of optic nerve 92133
Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).
28 services27 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92128 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
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 8

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

AMNET HOME HEALTH CARE INC.
Home Health
16486 BERNARDO CENTER DR, SUITE 207
SAN DIEGO, CA 92128
San Diego County (858) 673-8880
SUNSHINE HOME HEALTH CARE OF SAN DIEGO, LTD
Home Health
16486 BERNARDO CENTER DR, SUITE 338
SAN DIEGO, CA 92128
San Diego County (858) 592-0301
WHOLE POINT WELLNESS INC
Acupuncturist
16486 BERNARDO CENTER DR, SUITE 100
SAN DIEGO, CA 92128
San Diego County (619) 888-8862
MRS. ANNA MARIE ELIAS M.A., CCC-A
Audiologist
16486 BERNARDO CENTER DR, SUITE 128
SAN DIEGO, CA 92128
San Diego County (949) 282-1212
SANDRA DELIA NOOE LCSW
Social Worker (Clinical)
16486 BERNARDO CENTER DR, SUITE C-150
SAN DIEGO, CA 92128
San Diego County (858) 335-1072
LOVEJOY ENTERPRISES, LLC
Home Health
16486 BERNARDO CENTER DR, SUITE 124
SAN DIEGO, CA 92128
San Diego County (858) 451-7844
ALAN C. WESTEREN, M.D., INC.
Ophthalmology
16486 BERNARDO CENTER DR, STE C-150 ALAN C WESTEREN MD INC/EXPERTVISIONCAREMEDGRP
SAN DIEGO, CA 92128
San Diego County (858) 673-2277
DR. MARK E. GOLD MD FACS
Plastic Surgery
16486 BERNARDO CENTER DR, SUITE C 150
SAN DIEGO, CA 92128
San Diego County (858) 451-3060

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 Alan Westeren's NPI number?

The NPI number for Alan Westeren is 1962513135. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is Alan Westeren located?

Alan Westeren practices at 16486 Bernardo Center Dr Suite C-150, San Diego, CA 92128. The listed phone number is (858) 673-2277.

What is Alan Westeren's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Alan Westeren enrolled in Medicare?

Yes. Alan Westeren 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 Alan Westeren was last updated on October 21, 2009. NPI Profile syncs with the weekly NPPES data releases published by CMS.