J Allergy Clin Immunol
Dr. Chyh Woei Lee, MD
- Medicare services, 2024
- 3,329
- Medicare patients, 2024
- 190
- Part D claims, 2024
- 911
- Publications
- 1
- Industry payments
- $1,994
- Practice address
- 795 El Camino Real, Palo Alto, CA 94301
- Practice phone
- Call (650) 324-1832
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Surgery Center Palo Alto
Surgery Center - Medicare-Certified · Palo Alto, California
Find Dr. Lee's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Chyh Woei Lee is an allergist and immunologist in Palo Alto, California
Dr. Lee practices at Surgery Center Palo Alto in Palo Alto, California.
Dr. Lee's NPI, 1871574400, was assigned on November 10, 2005. Dr. Lee graduated from Feinberg School of Medicine in 1999. Dr. Lee holds California license A89369.
- NPI
- 1871574400NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688618093
- NPI enumeration date
- November 10, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (650) 324-1832
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Chyh Woei Lee practices at Surgery Center Palo Alto in Palo Alto, California
Dr. Lee's primary practice is Surgery Center Palo Alto, at 795 El Camino Real, Palo Alto, CA 94301. The practice phone is (650) 324-1832.
- Surgery Center Palo Alto795 El Camino Real, Palo Alto, CA 94301Phone(650) 324-1832
Source: Dmand AI Affiliation Data
Dr. Chyh Woei Lee is affiliated with 2 sites of care and 1 medical group
Dr. Lee's primary practice is Surgery Center Palo Alto in Palo Alto, California. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Lee to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Chyh Woei Lee's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lee practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Surgery Center Palo Alto | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Chyh Woei Lee is one of 386 allergists and immunologists in California
Allergy and immunology is Dr. Lee's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Lee is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dmand AI has Dr. Lee's licenses on file in 3 states: California, New Hampshire and Massachusetts.
Specialties and state licenses
- Allergy and immunology, CaliforniaPrimary
- New Hampshire license
- Massachusetts license
Clinical focus
Dmand AI lists asthma, chronic nasal allergies, hives, immune deficiency disease and upper respiratory infection (URI) among the conditions Dr. Lee treats.
Allergists and immunologists near Dr. Lee
Counts of allergists and immunologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Chyh Woei Lee billed Medicare for 3,329 services in 2024
CMS data shows 3,329 Medicare services from Dr. Lee across 7 procedure codes in 2024, for 190 Medicare patients. Medicare paid $49,302 for them. Every service was in an office.
Dr. Lee's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2,5572024: 3,08221%
- Office and hospital visits
- 2023: 2442024: 2471%
Dr. Lee compared with the California median for allergists and immunologists, 2024
- Dr. Lee
- California median
- Medicare services
- 3,329vs 1,84081% above
- Medicare patients
- 190vs 14531% above
- Part D claims
- 728vs 2592.8 times
Medians across 368 allergists and immunologists in California with Dmand AI profiles that report each measure.
Dr. Lee's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Lee?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lee and other allergists and immunologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Chyh Woei Lee treated 190 Medicare patients in 2024, average age 73
CMS counts 190 Medicare patients who saw Dr. Lee in 2024. The largest group is 65 to 74, with 100 patients. 73% of them have high cholesterol, and 63% have high blood pressure. 9% are also on Medicaid. Their average risk score is 0.82, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lee's median patient age at 31, with 52% women.
Dr. Lee's Medicare patients by age, 2024
Dr. Lee's Medicare patients by sex, 2024
- Women13068%
- Men6032%
Chronic conditions among Dr. Lee's Medicare patients, 2024
- High cholesterol73%
- High blood pressure63%
- Arthritis44%
- Asthma44%
- Osteoporosis31%
- Ischemic heart disease24%
- Diabetes21%
- Anxiety18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lee's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 31
Patient panel by sex, all payers
- Women52%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Chyh Woei Lee wrote 911 Medicare Part D claims in 2024
In 2024, Dr. Lee wrote 911 Medicare Part D claims for 163 patients. 66% of them were for generic drugs. CMS names the drug for 728 of them, across 20 drugs with 11 or more claims each, at $281,651 in total drug cost. In 2023, CMS named 558 claims across 23 drugs.
Dr. Lee's Part D claims by kind of drug, 2024
- Generic598 claims66%
- Brand-name313 claims34%
Dr. Lee's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Lee's Part D claims, 2024
- Antibiotics2%15 of 911 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5582024: 72830%
Drugs named by CMS: 20 in 2024, 23 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Chyh Woei Lee offers telehealth to Medicare patients
Dr. Lee accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lee as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Chyh Woei Lee has 1 publication on record
Dmand AI links 1 paper to Dr. Lee.
Recent publications by Dr. Lee
See who Dr. Lee researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lee works with, so you can find a warm path to the right allergists and immunologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Chyh Woei Lee received $1,994 in industry payments from 2016 to 2025
CMS Open Payments shows 92 general payments to Dr. Lee from 19 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 94% of the total. AstraZeneca Pharmaceuticals LP paid the most, $479.
General payments to Dr. Lee by program year, 2016 to 2025
General payments to Dr. Lee by kind, 2016 to 2025
- Food and beverage$1,87194%
- Education$1236%
Companies that paid Dr. Lee the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Chyh Woei Lee graduated from Feinberg School of Medicine
Dr. Lee graduated from Feinberg School of Medicine in 1999.
- Medical school
- Board certified in allergy & immunology
Source: Dmand AI Professional Profile Data
Dr. Chyh Woei Lee accepts plans from 11 insurance carriers
Dr. Lee is in network with 11 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- HCSC
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- +3 more carriersWith a free account
Plan types Dr. Lee accepts, by number of carriers
- PPO7
- HMO6
- EPO4
- Medicare4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Chyh Woei Lee's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Chyh Woei Lee
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Chyh Woei Lee's NPI number?
Dr. Chyh Woei Lee's NPI number is 1871574400. It was assigned on November 10, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Chyh Woei Lee?
Dr. Chyh Woei Lee is an allergist and immunologist in Palo Alto, California. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).
Where does Dr. Chyh Woei Lee practice?
Dr. Lee practices at 795 El Camino Real, Palo Alto, CA 94301. Dr. Lee's primary practice is Surgery Center Palo Alto in Palo Alto, California. Dmand AI also links Dr. Lee to 1 group practice or clinic.
What is Dr. Chyh Woei Lee's office phone number?
The practice phone on file for Dr. Lee is (650) 324-1832.
What is Dr. Chyh Woei Lee's medical license number?
Dr. Lee holds California license A89369, one of the licenses on file in 3 states.
Which states has Dr. Chyh Woei Lee been licensed in?
Dmand AI has state licenses on file for Dr. Lee in California (2004 to 2026), New Hampshire (since 2003) and Massachusetts (2001 to 2006).
What medical group is Dr. Chyh Woei Lee part of?
Dr. Lee is linked to Palo Alto Foundation Medical Group.
Does Dr. Chyh Woei Lee accept Medicare?
Yes. CMS data shows Dr. Lee billed Medicare for 3,329 services in 2024, and Dr. Lee accepts Medicare assignment.
Does Dr. Chyh Woei Lee offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lee as offering telehealth services.
How many Medicare patients does Dr. Chyh Woei Lee see?
CMS counts 190 Medicare patients who saw Dr. Lee in 2024, with an average age of 73.
Show 8 more questionsShow fewer questions
Is Dr. Chyh Woei Lee board certified?
Yes. Dr. Lee is board certified in allergy & immunology by the American Board of Allergy and Immunology.
What services does Dr. Chyh Woei Lee bill to Medicare?
In 2024, Dr. Lee's most billed Medicare services were allergy test or treatment (95004), allergy test or treatment (95165) and allergy test or treatment (95117).
Where did Dr. Chyh Woei Lee go to medical school?
Dr. Lee graduated from Feinberg School of Medicine in 1999.
What drugs does Dr. Chyh Woei Lee prescribe most?
In 2024 Medicare Part D data, Dr. Lee's most prescribed drugs by claims were Montelukast Sodium, Diphenhydramine HCl and Azelastine HCl.
Has Dr. Chyh Woei Lee received payments from drug or device companies?
CMS Open Payments shows $1,994 in general payments to Dr. Lee from 19 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Chyh Woei Lee been practicing?
Dr. Lee graduated from medical school in 1999, 27 years ago.
Does Dr. Chyh Woei Lee do research?
Dmand AI links 1 publication to Dr. Lee.
What insurance does Dr. Chyh Woei Lee accept?
Dr. Lee is in network with 11 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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