DIANA H. KERSTEN M.D.
NPI 1154387595
Ophthalmology in Laguna Hills, CA

Q: What is Diana Kersten's NPI number?

The NPI number for Diana Kersten is 1154387595. It was assigned to this individual provider in the NPPES registry on April 25, 2006.

Q: What is Diana Kersten's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Diana Kersten was last updated on December 2, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since April 25, 2006PECOS EnrolledAccepts Medicare Assignment

75.36/100

CMS Quality Rating

24401 CALLE DE LA LOUISA, SUITE 300, LAGUNA HILLS, CA 92653(949) 951-2020(949) 951-9244 Get Directions Write a Review

NPPES record last updated: December 2, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Diana H. Kersten M.d. NPPES

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

DIANA H. KERSTEN M.D. (NPI 1154387595) is an individual ophthalmology provider in Laguna Hills, California, licensed in California (A42878) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1982).

NPPES Registry Identity

NPI1154387595

Entity TypeIndividualFemale

Primary Taxonomy207W00000X

Provider Legal NameDIANA H. KERSTENCredential: M.D.

Location Address24401 CALLE DE LA LOUISA, SUITE 300Laguna Hills, CA 92653-3623

Mailing Address24401 Calle De La Louisa, Suite 300Laguna Hills, CA 92653-3623 · (949) 951-2020 · Fax (949) 951-9244

Phone(949) 951-2020

Fax(949) 951-9244

Sole ProprietorNo

Medical School CMSOtherGraduated 1982

Enumeration DateApril 25, 2006

Last NPPES UpdateDecember 2, 2008

✔ NPI 1154387595 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in CA · A42878

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.

24401 CALLE DE LA LOUISA, Laguna Hills, CA 92653

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Other Identifiers 3

Medicare UPINE95728

Medicare PINWA42878B

Medicare PINWA42878C

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

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

Diana H. Kersten 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 ID5395793772

PECOS Enrollment IDI20081209000647

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 13

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.

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.

466 services370 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

386 services361 patients

Removal of cataract with insertion of prosthetic lens 66984

This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.

352 services225 patients

Insertion of drug delivery implant into tear duct of eye 68841

This procedure involves placing a small implant into your tear duct. The implant slowly releases medication to your eye, helping manage conditions like dry eyes or glaucoma. It's a simple, quick procedure typically performed under local anesthesia.

307 services210 patients

Ct scan of cornea 92025

A CT scan of the cornea is a non-invasive imaging test that uses X-rays to capture detailed pictures of your eye's cornea. It helps in diagnosing diseases or damage, planning for surgery, or evaluating the results of a treatment. It's a safe and painless procedure.

280 services275 patients

Measurement of corneal curvature and depth of eye 92136

This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.

228 services222 patients

Established patient problem focused exam of visual system 92012

This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.

140 services114 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.

132 services132 patients

Removal of recurring cataract in lens capsule using a laser 66821

This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.

112 services88 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).

70 services53 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.

37 services37 patients

Removal of recurring cataract in lens capsule using a laser 66821

35 services27 patients

Incision to improve eye fluid flow 65820

This procedure, known as a trabeculectomy, involves creating a small opening in the eye to improve fluid flow. This can help lower eye pressure in conditions like glaucoma. It's a common, safe procedure to protect your eye health.

21 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92653 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75.36/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

100

Promoting Interoperability

Improvement Activities

Cost

18.73

Other Providers at the Same Location NPPES 19

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

MARK J LEVY O.D.

Optometrist

24401 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653

Orange County (949) 951-2020

EDWARD W. KIM M.D.

Ophthalmology

24401 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653

Orange County (949) 951-2020

LAGUNA HILLS REFRACTIVE LLC

Clinic/Center

24401 CALLE DE LA LOUISA, STE 300
LAGUNA HILLS, CA 92653

Orange County (636) 534-2300

JEFFREY L. JACOBS M.D.

Ophthalmology

24401 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653

Orange County (949) 951-2020

SANDRA MARIE BROWN M.S.

Genetic Counselor, MS

24401 CALLE DE LA LOUISA, SUITE 200
LAGUNA HILLS, CA 92653

Orange County (949) 452-7201

HARVARD HEARING, INC.

Hearing Aid Equipment

24401 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653

Orange County (949) 900-5239

BREAST SPECIALISTS MEDICAL GROUP, INC.

Radiology (Diagnostic Radiology)

24401 CALLE DE LA LOUISA, STE. 200
LAGUNA HILLS, CA 92653

Orange County (949) 452-7200

SAVAK TEYMOORIAN M.D.

Ophthalmology

24401 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653

Orange County (949) 951-2020

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 Diana Kersten's NPI number?

The NPI number for Diana Kersten is 1154387595. It was assigned to this individual provider in the NPPES registry on April 25, 2006.

Where is Diana Kersten located?

Diana Kersten practices at 24401 Calle De La Louisa Suite 300, Laguna Hills, CA 92653. The listed phone number is (949) 951-2020.

What is Diana Kersten's specialty?

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

Is Diana Kersten enrolled in Medicare?

Yes. Diana Kersten 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.

What insurance does Diana Kersten accept?

Health plans from Providence Health Plan list Diana Kersten 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 Diana Kersten was last updated on December 2, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.