Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SOPHIA MAGDELINE KIEFER M.D.
NPI 1669903555
Dermatology in La Jolla, CA

Active since March 23, 2017PECOS EnrolledAccepts Medicare Assignment
9898 GENESEE AVE, LA JOLLA, CA 92037(858) 605-7808 Get Directions Write a Review

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

Record update history: Nov 19, 2025, Dec 6, 2022, Nov 20, 2019 and 1 more (4 updates tracked since 2017).

About Sophia Magdeline Kiefer M.d. NPPES

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

SOPHIA MAGDELINE KIEFER M.D. (NPI 1669903555) is an individual dermatology provider in La Jolla, California, licensed in California (A169564) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (2017).

NPPES Registry Identity

NPI1669903555
Entity TypeIndividualFemale
Primary Taxonomy207N00000X
Provider Legal NameSOPHIA MAGDELINE KIEFERCredential: M.D.
Location Address9898 GENESEE AVELa Jolla, CA 92037-1205
Mailing Address10790 Rancho Bernardo RdSan Diego, CA 92127-5705 · (619) 272-5200
Sole ProprietorYes
Medical School CMSGeorge Washington University School Of MedicineGraduated 2017
Enumeration DateMarch 23, 2017
Last NPPES UpdateJuly 2, 20264 updates tracked since enumeration
NPPES CertifiedJuly 2, 2026
NPI 1669903555 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License Licensed in CA · A169564
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
9898 GENESEE AVE, La Jolla, CA 92037

Other Names 1

Former Name (1)Sophia Akhiyat Md

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

Sophia Magdeline Kiefer 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 ID4688004203
PECOS Enrollment IDI20221213003005
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 16

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.

Destruction of precancer skin growth, 2-14 growths 17003
This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.
1,055 services146 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.
402 services247 patients
Destruction of precancer skin growth, 1 growth 17000
"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.
251 services184 patients
Biopsy of related skin growth, first growth 11102
A biopsy of a skin growth involves taking a small sample of the growth to examine it under a microscope. This helps determine if the growth is harmful. The procedure is typically quick, with minimal discomfort. It's a crucial step in ensuring your skin's health.
191 services157 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
175 services144 patients
Destruction of skin growth, 1-14 growths 17110
"Destruction of skin growth" refers to a procedure where 1-14 abnormal skin growths are removed. This is done using methods such as freezing, burning, or laser therapy. It helps prevent the growth from causing discomfort or turning into a more serious condition.
154 services118 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92037 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
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
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 20

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

Dermatology
9898 GENESEE AVE
LA JOLLA, CA 92037
Physician Assistant
9898 GENESEE AVE
LA JOLLA, CA 92037
Physician Assistant (Surgical)
9898 GENESEE AVE
LA JOLLA, CA 92037
Obstetrics & Gynecology (Urogynecology and Reconstructive Pelvic Surgery)
9898 GENESEE AVE
LA JOLLA, CA 92037
Internal Medicine (Cardiovascular Disease)
9898 GENESEE AVE
LA JOLLA, CA 92037
Thoracic Surgery (Cardiothoracic Vascular Surgery)
9898 GENESEE AVE
LA JOLLA, CA 92037
Internal Medicine (Interventional Cardiology)
9898 GENESEE AVE
LA JOLLA, CA 92037
Nurse Practitioner (Family)
9898 GENESEE AVE
LA JOLLA, CA 92037

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 Sophia Kiefer's NPI number?

The NPI number for Sophia Kiefer is 1669903555. It was assigned to this individual provider in the NPPES registry on March 23, 2017. The provider is also known as Sophia Akhiyat MD.

Where is Sophia Kiefer located?

Sophia Kiefer practices at 9898 Genesee Ave, La Jolla, CA 92037. The listed phone number is (858) 605-7808.

What is Sophia Kiefer's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Sophia Kiefer enrolled in Medicare?

Yes. Sophia Kiefer 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 Sophia Kiefer was last updated on July 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days 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.