Dr. Donna Jeeyoung Ko, MD

  • Encino, CA
  • Dermatologist
NPI1538193024PAC ID8820250103
Medicare services, 2024
3,144
Medicare patients, 2024
324
Part D claims, 2024
258
MIPS score, 2024
75
Industry payments
$1,278
Practice address
16260 W Ventura Blvd, Encino, CA 91436
Practice phone
Call (818) 814-9800
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

San Gabriel Valley Childrens Surgery Center

Encino, California

See all 3 affiliations

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Dr. Donna Jeeyoung Ko is a dermatologist in Encino, California

Dr. Ko practices at San Gabriel Valley Childrens Surgery Center in Encino, California.

Dr. Ko's NPI, 1538193024, was assigned on July 10, 2006. Dr. Ko graduated from Loyola University of Chicago, Stritch School of Medicine in 1991. Dr. Ko holds California license G76498.

NPI and contact details
Medicare PAC ID
8820250103
NPI enumeration date
July 10, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(818) 814-9800
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
61
Medical school graduation
1991

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Donna Jeeyoung Ko practices at San Gabriel Valley Childrens Surgery Center in Encino, California

Dr. Ko's primary practice is San Gabriel Valley Childrens Surgery Center, at 16260 W Ventura Blvd, Encino, CA 91436 in Los Angeles County. The practice phone is (818) 814-9800.

  • San Gabriel Valley Childrens Surgery Center
    16260 W Ventura Blvd, Encino, CA 91436 · Los Angeles CountyPhone(818) 814-9800

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Donna Jeeyoung Ko is affiliated with 2 sites of care and 1 medical group

Dr. Ko's primary practice is San Gabriel Valley Childrens Surgery Center in Encino, California. The medical group on file is Indianer, Lask & Rosenzweig, M.D.'s Dermatology Group. Dmand AI also links Dr. Ko to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Ko

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Donna Jeeyoung Ko's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ko practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
San Gabriel Valley Childrens Surgery CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Donna Jeeyoung Ko is one of 1,910 dermatologists in California

Dermatology is Dr. Ko's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Ko is licensed in California.

Specialties and state licenses

  • Dermatology, CaliforniaPrimaryLicense G76498 · taxonomy 207N00000X

Dermatologists near Dr. Ko

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. Donna Jeeyoung Ko billed Medicare for 3,144 services in 2024

CMS data shows 3,144 Medicare services from Dr. Ko across 16 procedure codes in 2024, for 324 Medicare patients. Medicare paid $176,302 for them. Every service was in an office.

Medicare services, 20243,144
Medicare patients324
Paid by Medicare$176,302
Procedure codes16

Dr. Ko's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 1,2332024: 2,39194%
Office and hospital visits
2023: 5152024: 71940%
Drugs given in the office
2023: 02024: 34

Dr. Ko compared with the California median for dermatologists, 2024

  • Dr. Ko
  • California median
Medicare services
3,144vs 1,75080% above
Medicare patients
324vs 37714% below
Part D claims
175vs 36752% below

Medians across 1,831 dermatologists in California with Dmand AI profiles that report each measure.

Dr. Ko'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.

See all procedures by Dr. Ko

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Donna Jeeyoung Ko treated 324 Medicare patients in 2024, average age 77

CMS counts 324 Medicare patients who saw Dr. Ko in 2024. The largest group is 75 to 84, with 153 patients. 75% of them have high cholesterol, and 61% have high blood pressure. Their average risk score is 0.96, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ko's median patient age at 76, with 69% women.

Medicare patients, 2024324
Average age77
Average risk score0.96

Dr. Ko's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Ko's Medicare patients by sex, 2024

  • Women23773%
  • Men8727%

Chronic conditions among Dr. Ko's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure61%
  3. Arthritis52%
  4. Ischemic heart disease32%
  5. Osteoporosis31%
  6. Anxiety22%
  7. Cancer19%
  8. Mood disorders18%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ko's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 76

Patient panel by sex, all payers

  • Women69%
  • Men29%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Donna Jeeyoung Ko wrote 258 Medicare Part D claims in 2024

In 2024, Dr. Ko wrote 258 Medicare Part D claims for 136 patients. 94% of them were for generic drugs. CMS names the drug for 175 of them, across 5 drugs with 11 or more claims each, at $2,912 in total drug cost. In 2023, CMS named 131 claims across 4 drugs.

Part D claims, 2024258
Drugs named by CMS5
Total drug cost$2,912
Part D patients136

Dr. Ko's Part D claims by kind of drug, 2024

  • Generic242 claims94%
  • Brand-name16 claims6%

Dr. Ko'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. Ko's Part D claims, 2024

  • Antibiotics6%15 of 258 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: 1312024: 17534%

Drugs named by CMS: 5 in 2024, 4 in 2023.

See all prescribing by Dr. Ko

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. Donna Jeeyoung Ko scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Ko for performance year 2024, reported individually. Dr. Ko accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 670 procedures of skin biopsy by Dr. Ko, more than 97% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
MIPS final score, 2024
75 of 100

Where Dr. Ko ranks in Medicare procedure volume

Skin biopsy
97th percentile670 procedures
Removal of skin lesions
86th percentile484 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Donna Jeeyoung Ko received $1,278 in industry payments from 2016 to 2025

CMS Open Payments shows 50 general payments to Dr. Ko from 18 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Sun Pharmaceutical Industries Inc. paid the most, $171.

General payments to Dr. Ko by program year, 2016 to 2025

Companies that paid Dr. Ko the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ko

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Donna Jeeyoung Ko graduated from Loyola University of Chicago, Stritch School of Medicine

Dr. Ko graduated from Loyola University of Chicago, Stritch School of Medicine in 1991.

  1. Medical schoolLoyola University of Chicago, Stritch School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Donna Jeeyoung Ko's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Donna Jeeyoung Ko

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. Donna Jeeyoung Ko's NPI number?

Dr. Donna Jeeyoung Ko's NPI number is 1538193024. It was assigned on July 10, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Donna Jeeyoung Ko?

Dr. Donna Jeeyoung Ko is a dermatologist in Encino, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).

Where does Dr. Donna Jeeyoung Ko practice?

Dr. Ko practices at 16260 W Ventura Blvd, Encino, CA 91436. Dr. Ko's primary practice is San Gabriel Valley Childrens Surgery Center in Encino, California. Dmand AI also links Dr. Ko to 1 group practice or clinic.

What is Dr. Donna Jeeyoung Ko's office phone number?

The practice phone on file for Dr. Ko is (818) 814-9800.

What is Dr. Donna Jeeyoung Ko's medical license number?

Dr. Ko holds California license G76498.

What medical group is Dr. Donna Jeeyoung Ko part of?

Dr. Ko is linked to Indianer, Lask & Rosenzweig, M.D.'s Dermatology Group.

Does Dr. Donna Jeeyoung Ko accept Medicare?

Yes. CMS data shows Dr. Ko billed Medicare for 3,144 services in 2024, and Dr. Ko accepts Medicare assignment.

What is Dr. Donna Jeeyoung Ko's MIPS score?

Dr. Ko's MIPS final score for performance year 2024 is 75 out of 100, reported individually.

How many Medicare patients does Dr. Donna Jeeyoung Ko see?

CMS counts 324 Medicare patients who saw Dr. Ko in 2024, with an average age of 77.

What services does Dr. Donna Jeeyoung Ko bill to Medicare?

In 2024, Dr. Ko's most billed Medicare services were surgery: skin and soft tissue (17003), surgery: skin and soft tissue (11103) and surgery: skin and soft tissue (11102).

Show 4 more questionsShow fewer questions

Where did Dr. Donna Jeeyoung Ko go to medical school?

Dr. Ko graduated from Loyola University of Chicago, Stritch School of Medicine in 1991.

What drugs does Dr. Donna Jeeyoung Ko prescribe most?

In 2024 Medicare Part D data, Dr. Ko's most prescribed drugs by claims were Triamcinolone Acetonide, Mupirocin and Ketoconazole.

Has Dr. Donna Jeeyoung Ko received payments from drug or device companies?

CMS Open Payments shows $1,278 in general payments to Dr. Ko from 18 companies from 2016 to 2025. The largest total came from Sun Pharmaceutical Industries Inc.

How long has Dr. Donna Jeeyoung Ko been practicing?

Dr. Ko graduated from medical school in 1991, 35 years ago.

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