Xiao Chloe Wan, MD
Allergy & Immunology Physician · Menlo Park, CA
Xiao Chloe Wan, MD is an allergy & immunology physician with a practice address in Menlo Park, California, and NPI 1295099042, issued on Jun 26, 2012. Check the license (California A135680, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Xiao Chloe Wan
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- A135680 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1300 Crane St, Menlo Park, CA 94025
- Phone
- (650) 498-6500
- Enumerated
- Jun 26, 2012
- Record last updated
- Apr 12, 2024
- Medicare enrollment
- Enrolled (PECOS I20170815003999); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 444 in California → Look up another NPI →
Also registered at 1300 Crane St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nidhi Chaudhry, M.DInternal Medicine Physician1447540398
- Hui Chen, M.D.Diagnostic Radiology Physician1275704371
- Victoria Chen, MDInternal Medicine Physician1073705067
Verify Xiao Chloe Wan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A135680Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
505 Medicare Part D claims for 160 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Montelukast Sodium55 claims
- Azelastine Hcl49 claims
- Trelegy Ellipta43 claims
- Ipratropium Bromide37 claims
- Albuterol Sulfate Hfa30 claims
- Wixela Inhub28 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $306.92
6 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University Healthcare AllianceMenlo Park, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Xiao Chloe Wan among 444 allergy & immunology physician records in California
Xiao Chloe Wan, MD is one of 444 allergy & immunology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 76% of them.
- NPI issued2012 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2012 · median 2004 among the 281 with a school on file
- Record last updated2024 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in California
There are 444 allergy & immunology physician records in California.
All 444 in California → Every provider in Menlo Park → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Nancy Cummings, MDMenlo Park, CA 940251598728917
- Jenna Nguyen, MDMenlo Park, CA 940251437492147
- Anna Postolova, MDMenlo Park, CA 940251932475316
- Louanne Tourangeau, M.D.Menlo Park, CA 940251558483685
- Hannah Walford, MDMenlo Park, CA 940251215190509
- Manjul Dixit, MDAtherton, CA 940271922064963
- Philippe Begin, M.D.Mountain View, CA 940401386065902
- Patty Chi, MDMountain View, CA 940401407898323
Common questions
What is Xiao Chloe Wan, MD's NPI number?
Xiao Chloe Wan, MD's National Provider Identifier (NPI) is 1295099042, issued on Jun 26, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Xiao Chloe Wan, MD located?
The NPPES record lists a practice address at 1300 Crane St, Menlo Park, CA, 94025. Phone: (650) 498-6500. Providers update this record themselves, so call before visiting.
How can I verify Xiao Chloe Wan, MD's license?
NPPES lists California license number A135680, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Xiao Chloe Wan, MD prescribe under Medicare Part D?
In 2024, Xiao Chloe Wan, MD had 505 Medicare Part D claims for 160 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.