Provider Profile
Listed in the NPI registry as a physician assistant — medical, Nancy Hsieh, PA-C practices in Menlo Park, CA. Nancy graduated from Duke University School of Medicine in 2011. According to Medicare claims data, Nancy cared for 1,224 Medicare patients across 1,832 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
321 MIDDLEFIELD RD SUITE 245
Menlo Park, CA 94025
Within Physician Assistant - Medical generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Allergies
Blood
Bone and joint
Digestive
Digestive health
Ear, Nose & Throat
Endocrine
Eye Care
Foot and ankle
General Health
Hair and scalp
Headache and brain
Heart & Circulation
Hormones
Infections
Injury
Men's Health
Mental Health
Metabolic
Nerve conditions
Neurology
Pain
Respiratory
Sexual Health
Skin
Skin cancer
Skin conditions
Sleep
Women's Health
Most searched procedures
Allergies
Counseling
Dermatology
Diagnostic Tests
Ear, Nose & Throat
Evaluations
Exams
General Care
Heart & Circulation
Heart health
Hormones
Injections
Injury Care
Lab tests
Mental Health
Metabolic
Minor surgery
Minor Surgery
Pain Management
Prevention
Respiratory
Screening
Skin procedures
Treatments
Virtual care
Women's Health
Women's health
1,832 services · 1,224 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
188 | |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
154 | More often than most peers in Physician Assistant — Medical |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
112 | |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
95 | More often than most peers in Physician Assistant — Medical |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
45 | |
| Injection into skin growth, 1-7 growths | Procedure | 11900 |
37 | More often than most peers in Physician Assistant — Medical |
| Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm | Procedure | 12032 |
31 | More often than most peers in Physician Assistant — Medical |
| Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm | Procedure | 11602 |
31 | More often than most peers in Physician Assistant — Medical |
| Application of chemical to stop tissue regrowth in wound | Procedure | 17250 |
12 | |
| Punch biopsy, first skin growth | Procedure | 11104 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Nancy Hsieh is a physician assistant in Menlo Park, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Physician Assistant — Medical”.
NPI registry
Nancy Hsieh is listed at 321 Middlefield Rd Suite 245, Menlo Park, CA 94025. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (650) 326-7222. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Nancy Hsieh's National Provider Identifier is 1750665444. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Nancy Hsieh attended Duke University School of Medicine, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
Nancy Hsieh has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Nancy Hsieh performs procedures including destruction of precancer skin growth, 2-14 growths, biopsy of related skin growth, first growth and destruction of precancer skin growth, 1 growth, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Nancy Hsieh. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.