Chyh Woei Lee, MD
Allergy & Immunology Physician · Fremont, CA
Chyh Woei Lee, MD is an allergy & immunology physician with a practice address in Fremont, California, and NPI 1871574400, issued on Nov 10, 2005. Check the license (California A89369, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chyh Woei Lee
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- A89369 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3200 Kearney St, Fremont, CA 94538
- Phone
- (510) 498-2350
- Enumerated
- Nov 10, 2005
- Record last updated
- May 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050617000191); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1999
- 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 3200 Kearney St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jia Afnan, PAPhysician Assistant1376763698
- Jessica Aldaz, FNPFamily Nurse Practitioner1740467174
- Neha AnandFamily Medicine Physician1477810836
- Lauren Auerbach, MDEmergency Medicine Physician1033678990
- Ritika Aulakh, D.OFamily Medicine Physician1346335072
- Rupal Badani, M.D.Pediatrics Physician1598857765
Verify Chyh Woei Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A89369Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% more Medicare Part D claims than the average allergy & immunology physician in 2024
911 Medicare Part D claims for 163 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Montelukast Sodium139 claims
- Diphenhydramine Hcl88 claims
- Azelastine Hcl65 claims
- Albuterol Sulfate Hfa63 claims
- Famotidine47 claims
- Advair Hfa43 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: $17.03
1 payment: 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
- Sutter Bay Medical FoundationSan Mateo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chyh Woei Lee among 444 allergy & immunology physician records in California
Chyh Woei Lee, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1999 · median 2004 among the 281 with a school on file
- Record last updated2020 · 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 Fremont → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Randolph Lippert, MDFremont, CA 945381316022072
- Kristina Philpott, M.D.Fremont, CA 945381902999477
- Joshua Sacha, D.O.Travis Afb, CA 945351275526634
- Natalie CacHayward, CA 945451205006657
- Michael Louie, MDHayward, CA 945451629156492
- Robert Sachs, MDHayward, CA 945451083792857
- Frank Orson, M.D.Lafayette, CA 945491982626131
- Kaleyathodi Bhat, MDConcord, CA 945201316904725
Common questions
What is Chyh Woei Lee, MD's NPI number?
Chyh Woei Lee, MD's National Provider Identifier (NPI) is 1871574400, issued on Nov 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Chyh Woei Lee, MD located?
The NPPES record lists a practice address at 3200 Kearney St, Fremont, CA, 94538. Phone: (510) 498-2350. Providers update this record themselves, so call before visiting.
How can I verify Chyh Woei Lee, MD's license?
NPPES lists California license number A89369, 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 Chyh Woei Lee, MD prescribe under Medicare Part D?
In 2024, Chyh Woei Lee, MD had 911 Medicare Part D claims for 163 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.