Dr. Karen Han, MD

NPI: 1811908692
Total Payments
$1,724
2024 Payments
$306.66
Companies
13
Transactions
24
Medicare Patients
5,991
Medicare Billing
$688,621

Payment Breakdown by Category

Food & Beverage$1,518 (88.1%)
Education$205.97 (11.9%)
Other$0.00 (0.0%)

Payments by Nature

Nature of Payment Amount Transactions Share
Food and Beverage $1,518 22 88.1%
Education $205.97 2 11.9%

Top Paying Companies

Company Total Records Latest Year
Valeant Pharmaceuticals North America LLC $392.42 3 $0 (2017)
Lilly USA, LLC $239.24 5 $0 (2024)
Regeneron Healthcare Solutions, Inc. $228.36 2 $0 (2022)
Allergan Inc. $188.82 3 $0 (2019)
UCB, Inc. $166.66 1 $0 (2024)
ABBVIE INC. $124.72 2 $0 (2024)
Janssen Scientific Affairs, LLC $120.95 1 $0 (2021)
Ortho Dermatologics, a division of Bausch Health US, LLC $104.16 1 $0 (2018)
Janssen Biotech, Inc. $58.68 2 $0 (2018)
E.R. Squibb & Sons, L.L.C. $36.09 1 $0 (2024)

Payment History by Year

Year Amount Transactions Top Company
2024 $306.66 6 UCB, Inc. ($166.66)
2022 $212.81 2 Regeneron Healthcare Solutions, Inc. ($123.81)
2021 $120.95 1 Janssen Scientific Affairs, LLC ($120.95)
2020 $125.24 3 Lilly USA, LLC ($125.24)
2019 $17.19 1 Allergan Inc. ($17.19)
2018 $275.71 4 Ortho Dermatologics, a division of Bausch Health US, LLC ($104.16)
2017 $665.34 7 Valeant Pharmaceuticals North America LLC ($392.42)

All Payment Transactions

24 individual payment records from CMS Open Payments

Date Company Product Nature Form Amount Type
12/17/2024 ABBVIE INC. SKYRIZI (Biological) Food and Beverage In-kind items and services $31.32 General
Category: IMMUNOLOGY
09/10/2024 E.R. Squibb & Sons, L.L.C. Sotyktu (Drug) Food and Beverage Cash or cash equivalent $36.09 General
Category: Immunology
08/06/2024 Arcutis Biotherapeutics, Inc. Zoryve (Drug) Food and Beverage In-kind items and services $21.08 General
Category: Dermatology
06/11/2024 Lilly USA, LLC TALTZ (Drug), OLUMIANT Food and Beverage In-kind items and services $25.00 General
Category: Immunology
03/19/2024 Dermavant Sciences, Inc. VTAMA (Drug) Food and Beverage In-kind items and services $26.51 General
Category: DERMATOLOGY
01/08/2024 UCB, Inc. Bimzelx (Biological) Food and Beverage In-kind items and services $166.66 General
Category: Immunology
10/06/2022 Regeneron Healthcare Solutions, Inc. Food and Beverage In-kind items and services $123.81 General
03/09/2022 Lilly USA, LLC Food and Beverage In-kind items and services $89.00 General
11/17/2021 Janssen Scientific Affairs, LLC TREMFYA (Drug) Food and Beverage In-kind items and services $120.95 General
Category: Immunology
02/12/2020 Lilly USA, LLC Food and Beverage In-kind items and services $97.08 General
02/12/2020 Lilly USA, LLC Food and Beverage In-kind items and services $19.42 General
02/12/2020 Lilly USA, LLC Food and Beverage In-kind items and services $8.74 General
11/19/2019 Allergan Inc. BOTOX COSMETIC (Biological) Food and Beverage In-kind items and services $17.19 General
09/12/2018 Ortho Dermatologics, a division of Bausch Health US, LLC ONEXTON (Drug) Food and Beverage In-kind items and services $104.16 General
Category: DERMATOLOGY
05/17/2018 AbbVie, Inc. Food and Beverage In-kind items and services $93.40 General
03/06/2018 Janssen Biotech, Inc. Tremfya (Drug) Food and Beverage In-kind items and services $26.15 General
Category: Immunology
01/15/2018 Allergan Inc. RHOFADE (Drug) Food and Beverage In-kind items and services $52.00 General
Category: DERMATOLOGY
08/24/2017 Regeneron Healthcare Solutions, Inc. DUPIXENT DUPILUMAB INJECTION (Biological) Food and Beverage In-kind items and services $104.55 General
Category: INFLAMMATION AND IMMUNOLOGY
08/23/2017 Janssen Biotech, Inc. GUSELKUMAB (Biological) Food and Beverage In-kind items and services $32.53 General
Category: R&D Compound
06/20/2017 Galderma Laboratories, L.P. Food and Beverage In-kind items and services $16.21 General
06/14/2017 Allergan Inc. ACZONE (Drug) Food and Beverage In-kind items and services $119.63 General
Category: DERMATOLOGY
03/21/2017 Valeant Pharmaceuticals North America LLC Food and Beverage In-kind items and services $186.45 General
02/15/2017 Valeant Pharmaceuticals North America LLC Education Cash or cash equivalent $107.33 General
02/15/2017 Valeant Pharmaceuticals North America LLC Education Cash or cash equivalent $98.64 General

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 10 1,535 3,693 $605,744 $188,749
2022 13 1,603 3,881 $627,572 $197,395
2021 12 1,462 3,260 $517,119 $165,914
2020 10 1,391 3,571 $466,025 $136,563
Total Patients
5,991
Total Services
14,405
Medicare Billing
$688,621
Procedure Codes
45

All Medicare Procedures & Services

45 procedure records from CMS Medicare Utilization — Page 1 of 2

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2023 340 520 $189,280 $57,216 30.2%
17110 Destruction of skin growth, 1-14 growths Office 2023 196 259 $71,882 $29,713 41.3%
17000 Destruction of precancer skin growth, 1 growth Office 2023 283 456 $89,303 $23,579 26.4%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2023 237 321 $79,287 $23,489 29.6%
17004 Destruction of precancer skin growth, 15 or more growths Office 2023 67 100 $51,700 $17,518 33.9%
17003 Destruction of precancer skin growth, 2-14 growths Office 2023 229 1,822 $38,262 $13,181 34.4%
11102 Biopsy of related skin growth, first growth Office 2023 101 108 $33,852 $9,557 28.2%
99215 Established patient office or other outpatient visit, 40-54 minutes Office 2023 34 47 $22,983 $7,313 31.8%
11602 Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm Office 2023 19 25 $23,805 $5,348 22.5%
99212 Established patient office or other outpatient visit, 10-19 minutes Office 2023 29 35 $5,390 $1,834 34.0%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2022 313 475 $167,675 $52,257 31.2%
17110 Destruction of skin growth, 1-14 growths Office 2022 176 252 $65,928 $28,282 42.9%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2022 258 369 $88,560 $26,452 29.9%
17000 Destruction of precancer skin growth, 1 growth Office 2022 274 446 $82,680 $21,863 26.4%
17004 Destruction of precancer skin growth, 15 or more growths Office 2022 78 121 $61,347 $20,580 33.5%
11102 Biopsy of related skin growth, first growth Office 2022 142 171 $51,538 $15,282 29.7%
17003 Destruction of precancer skin growth, 2-14 growths Office 2022 225 1,892 $39,732 $13,633 34.3%
99215 Established patient office or other outpatient visit, 40-54 minutes Office 2022 33 40 $19,000 $6,258 32.9%
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm Office 2022 12 13 $17,264 $3,962 22.9%
11602 Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm Office 2022 19 21 $16,048 $3,700 23.1%
99212 Established patient office or other outpatient visit, 10-19 minutes Office 2022 41 43 $6,364 $2,023 31.8%
11104 Punch biopsy, first skin growth Office 2022 13 14 $5,964 $1,807 30.3%
11103 Biopsy of related skin growth, each additional growth Office 2022 19 24 $5,472 $1,297 23.7%
99214 Established patient outpatient visit, total time 30-39 minutes Office 2021 263 373 $127,939 $38,580 30.2%
99213 Established patient outpatient visit, total time 20-29 minutes Office 2021 252 362 $84,346 $26,907 31.9%

About Dr. Karen Han, MD

Dr. Karen Han, MD is a Dermatology healthcare provider based in Palo Alto, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 08/10/2006. The National Provider Identifier (NPI) number assigned to this provider is 1811908692.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Karen Han, MD has received a total of $1,724 in payments from pharmaceutical and medical device companies, with $306.66 received in 2024. These payments were reported across 24 transactions from 13 companies. The most common payment nature is "Food and Beverage" ($1,518).

As a Medicare-enrolled provider, Han has provided services to 5,991 Medicare beneficiaries, totaling 14,405 services with total Medicare billing of $688,621. Data is available for 4 years (2020–2023), covering 45 distinct procedure/service records.

Practice Information

  • Specialty Dermatology
  • Location Palo Alto, CA
  • Active Since 08/10/2006
  • Last Updated 05/13/2020
  • Taxonomy Code 207N00000X
  • Entity Type Individual
  • NPI Number 1811908692

Products in Payments

  • Bimzelx (Biological) $166.66
  • TREMFYA (Drug) $120.95
  • ACZONE (Drug) $119.63
  • DUPIXENT DUPILUMAB INJECTION (Biological) $104.55
  • ONEXTON (Drug) $104.16
  • RHOFADE (Drug) $52.00
  • Sotyktu (Drug) $36.09
  • GUSELKUMAB (Biological) $32.53
  • SKYRIZI (Biological) $31.32
  • VTAMA (Drug) $26.51
  • Tremfya (Drug) $26.15
  • TALTZ (Drug) $25.00
  • Zoryve (Drug) $21.08
  • BOTOX COSMETIC (Biological) $17.19

Data Sources

Provider data from NPPES. Payment data from CMS Open Payments. Medicare data from CMS Medicare Provider Utilization. All data is public and updated periodically.

Dermatology Doctors in Palo Alto