Dr. Sophia Magdeline Kiefer, MD
- Medicare services, 2024
- 2,936
- Medicare patients, 2024
- 442
- Part D claims, 2024
- 820
- Hospital affiliations
- 2
- Industry payments
- $16,630
- Practice address
- 9898 Genesee Avenue, La Jolla, CA 92037
- Practice phone
- Call (414) 975-3807
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Scripps Clinic la Jolla ASC
Surgery Center - Medicare-Certified · La Jolla, California
Find Dr. Kiefer's professional email, personal email and mobile number
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Dr. Sophia Magdeline Kiefer is a dermatologist in La Jolla, California
Dr. Kiefer practices at Scripps Clinic la Jolla ASC in La Jolla, California.
Dr. Kiefer's NPI, 1669903555, was assigned on March 23, 2017. Dr. Kiefer graduated from George Washington University School of Medicine in 2017. Dr. Kiefer holds Wisconsin license 71685-20.
- NPI
- 1669903555NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688004203
- NPI enumeration date
- March 23, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (414) 975-3807
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sophia Magdeline Kiefer practices at Scripps Clinic la Jolla ASC in La Jolla, California
Dr. Kiefer's primary practice is Scripps Clinic la Jolla ASC, at 9898 Genesee Avenue, La Jolla, CA 92037. The practice phone is (414) 975-3807.
- Scripps Clinic la Jolla ASC9898 Genesee Avenue, La Jolla, CA 92037Phone(414) 975-3807
Source: Dmand AI Affiliation Data
Dr. Sophia Magdeline Kiefer is affiliated with 3 sites of care and 1 medical group
Dr. Kiefer's primary practice is Scripps Clinic la Jolla ASC in La Jolla, California. Dr. Kiefer is also affiliated with Scripps Memorial Hospital La Jolla. The medical group on file is Scripps Clinic Medical Group. Dmand AI also links Dr. Kiefer to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sophia Magdeline Kiefer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kiefer practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Scripps Clinic la Jolla ASC | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sophia Magdeline Kiefer is one of 1,910 dermatologists in California
Dermatology is Dr. Kiefer's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dmand AI has Dr. Kiefer's licenses on file in 2 states: Wisconsin and California.
Specialties and state licenses
- Dermatology, WisconsinPrimary
- California license
Dermatologists near Dr. Kiefer
Counts of dermatologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Sophia Magdeline Kiefer billed Medicare for 2,936 services in 2024
CMS data shows 2,936 Medicare services from Dr. Kiefer across 17 procedure codes in 2024, for 442 Medicare patients. Medicare paid $147,337 for them. Every service was in an office.
Dr. Kiefer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 1,2952024: 1,90747%
- Office and hospital visits
- 2023: 6122024: 72719%
- Other services
- 2023: 02024: 271
- Drugs given in the office
- 2023: 152024: 31107%
Dr. Kiefer compared with the California median for dermatologists, 2024
- Dr. Kiefer
- California median
- Medicare services
- 2,936vs 1,75068% above
- Medicare patients
- 442vs 37717% above
- Part D claims
- 715vs 36795% above
Medians across 1,831 dermatologists in California with Dmand AI profiles that report each measure.
Dr. Kiefer's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kiefer and other dermatologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sophia Magdeline Kiefer treated 442 Medicare patients in 2024, average age 74
CMS counts 442 Medicare patients who saw Dr. Kiefer in 2024. The largest group is 65 to 74, with 234 patients. 71% of them have high cholesterol, and 57% have high blood pressure. 5% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kiefer's median patient age at 49, with 67% women.
Dr. Kiefer's Medicare patients by age, 2024
Dr. Kiefer's Medicare patients by sex, 2024
- Women27061%
- Men17239%
Chronic conditions among Dr. Kiefer's Medicare patients, 2024
- High cholesterol71%
- High blood pressure57%
- Arthritis42%
- Anxiety23%
- Ischemic heart disease22%
- Osteoporosis21%
- Mood disorders20%
- Depression18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kiefer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women67%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sophia Magdeline Kiefer wrote 820 Medicare Part D claims in 2024
In 2024, Dr. Kiefer wrote 820 Medicare Part D claims for 250 patients. 94% of them were for generic drugs. CMS names the drug for 715 of them, across 18 drugs with 11 or more claims each, at $86,873 in total drug cost. In 2023, CMS named 788 claims across 16 drugs.
Dr. Kiefer's Part D claims by kind of drug, 2024
- Generic768 claims94%
- Brand-name52 claims6%
Dr. Kiefer's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Kiefer's Part D claims, 2024
- Antibiotics4%34 of 820 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7882024: 7159%
Drugs named by CMS: 18 in 2024, 16 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Sophia Magdeline Kiefer ranks in the 94th percentile for skin biopsy in Medicare
Dr. Kiefer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kiefer as offering telehealth. CMS counts 411 procedures of skin biopsy by Dr. Kiefer, more than 94% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Kiefer ranks in Medicare procedure volume
- Removal of skin lesions
- 91st percentile807 procedures
- Skin biopsy
- 94th percentile411 procedures
- Melanoma (skin cancer) excision
- 87th percentile53 procedures
- Removal or shaving of skin growth
- 72nd percentile23 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Sophia Magdeline Kiefer received $16,630 in industry payments from 2020 to 2025
CMS Open Payments shows 490 general payments to Dr. Kiefer from 30 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 63% of the total. Eli Lilly and Company paid the most, $6,108.
General payments to Dr. Kiefer by program year, 2020 to 2025
General payments to Dr. Kiefer by kind, 2020 to 2025
- Food and beverage$10,49163%
- Consulting fees$5,25032%
- Education$5303%
- Travel and lodging$3592%
Companies that paid Dr. Kiefer the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sophia Magdeline Kiefer graduated from George Washington University School of Medicine
Dr. Kiefer graduated from George Washington University School of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Sophia Magdeline Kiefer's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Sophia Magdeline Kiefer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Sophia Magdeline Kiefer's NPI number?
Dr. Sophia Magdeline Kiefer's NPI number is 1669903555. It was assigned on March 23, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Sophia Magdeline Kiefer?
Dr. Sophia Magdeline Kiefer is a dermatologist in La Jolla, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Sophia Magdeline Kiefer practice?
Dr. Kiefer practices at 9898 Genesee Avenue, La Jolla, CA 92037. Dr. Kiefer's primary practice is Scripps Clinic la Jolla ASC in La Jolla, California. Dmand AI also links Dr. Kiefer to 1 hospital.
What is Dr. Sophia Magdeline Kiefer's office phone number?
The practice phone on file for Dr. Kiefer is (414) 975-3807.
What is Dr. Sophia Magdeline Kiefer's medical license number?
Dr. Kiefer holds Wisconsin license 71685-20, one of the licenses on file in 2 states.
Which states has Dr. Sophia Magdeline Kiefer been licensed in?
Dmand AI has state licenses on file for Dr. Kiefer in Wisconsin and California.
Which hospitals is Dr. Sophia Magdeline Kiefer affiliated with?
Dr. Kiefer is affiliated with Scripps Memorial Hospital La Jolla. Dmand AI links Dr. Kiefer to 1 more hospital.
What medical group is Dr. Sophia Magdeline Kiefer part of?
Dr. Kiefer is linked to Scripps Clinic Medical Group.
Does Dr. Sophia Magdeline Kiefer accept Medicare?
Yes. CMS data shows Dr. Kiefer billed Medicare for 2,936 services in 2024, and Dr. Kiefer accepts Medicare assignment.
Does Dr. Sophia Magdeline Kiefer offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kiefer as offering telehealth services.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Sophia Magdeline Kiefer see?
CMS counts 442 Medicare patients who saw Dr. Kiefer in 2024, with an average age of 74.
What services does Dr. Sophia Magdeline Kiefer bill to Medicare?
In 2024, Dr. Kiefer's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99214) and medicare service (G2211).
Where did Dr. Sophia Magdeline Kiefer go to medical school?
Dr. Kiefer graduated from George Washington University School of Medicine in 2017.
What drugs does Dr. Sophia Magdeline Kiefer prescribe most?
In 2024 Medicare Part D data, Dr. Kiefer's most prescribed drugs by claims were Ketoconazole, Clobetasol Propionate and Triamcinolone Acetonide.
Has Dr. Sophia Magdeline Kiefer received payments from drug or device companies?
CMS Open Payments shows $16,630 in general payments to Dr. Kiefer from 30 companies from 2020 to 2025. The largest total came from Eli Lilly and Company.
How long has Dr. Sophia Magdeline Kiefer been practicing?
Dr. Kiefer graduated from medical school in 2017, 9 years ago.
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