Doctor profile · Federal record

Dr. Caroline Tan

Dermatology Physician (CMS: Dermatology) · Mountain View, CA

  • NPI 1750842134
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2490 Hospital Dr Ste 201
Mountain View, CA 940404124
(650) 962-4600
Additional location
751 S Bascom Ave
San Jose, CA 951282604
(973) 517-1574
Mailing address
751 S Bascom Ave
San Jose, CA 951282604

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
November 26, 2024
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207N00000X — NUCC code
State license (1)
California #A181108

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750842134. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
322
Distinct HCPCS
9
Medicare allowed
$24,140
HCPCS Description Services Patients Avg allowed
17003 Destruction of precancer skin growth, 2-14 growths 130 27 $9
17000 Destruction of precancer skin growth, 1 growth 36 35 $67
99213 Established patient office or other outpatient visit, 20-29 minutes 34 31 $109
99203 New patient office or other outpatient visit, 30-44 minutes 26 26 $134
17110 Destruction of skin growth, 1-14 growths 24 24 $151
99214 Established patient office or other outpatient visit, 30-39 minutes 22 19 $154
11102 Biopsy of related skin growth, first growth 21 21 $121
99212 Established patient office or other outpatient visit, 10-19 minutes 15 15 $70
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $198

In context: peer comparison

Among 9 peers in Mountain View Dermatology Physician, average services per provider: 175. This provider delivers 1.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,986
Transactions
120
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 34 $752.63
Regeneron Healthcare Solutions, INC. 13 $328.03
Genzyme Corporation 11 $224.13
Lilly USA, LLC 8 $216.68
Incyte Corporation 18 $211.30
Galderma Laboratories, L.P. 4 $180.29
Sun Pharmaceutical Industries INC. 6 $163.54
Arcutis Biotherapeutics, INC. 7 $136.75
Janssen Biotech, INC. 2 $123.78
E.R. Squibb & Sons, L.L.C. 4 $106.93
Amgen INC. 3 $95.36
Boehringer Ingelheim Pharmaceuticals, INC. 3 $92.48
Organogenesis INC. 2 $86.59
Leo Pharma INC. 3 $68.10
Dermavant Sciences, INC. 2 $58.65

By nature of payment

Food and Beverage
$2,811
Education
$175

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
28
Patients
14
Total drug cost
$589
Drug Type Claims Patients Total cost
Ketoconazole Generic 16 14 $380
Triamcinolone Acetonide Generic 12 0 $209

Frequently asked questions

Auto-generated from federal data
What is Dr. Caroline Tan's medical specialty?
Dr. Caroline Tan practices Dermatology Physician in Mountain View, CA.
Where does Dr. Caroline Tan practice?
Dr. Caroline Tan practices at 2490 Hospital Dr Ste 201, Mountain View, CA 940404124. Office phone: 6509624600.
What is Dr. Caroline Tan's NPI?
Dr. Caroline Tan's National Provider Identifier (NPI) is 1750842134, issued by NPPES.
Does Dr. Caroline Tan accept Medicare assignment?
Yes. Dr. Caroline Tan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Caroline Tan commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Destruction of precancer skin growth, 1 growth (HCPCS 17000); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.