Abortion, HabitualB-LymphocytesGraft Rejection
Joyce Lee
NPI1144676404PAC ID8224368188
- Medicare services, 2024
- 422
- Medicare patients, 2024
- 170
- Part D claims, 2024
- 1,999
- Publications
- 1
- Industry payments
- $108
- Practice address
- 3200 Kearney Street, Fremont, CA 94538
- Practice phone
- Call (510) 498-2812
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Palo Alto Medical Foundation-Fremont Center
Mammography / Breast Imaging Center · Fremont, California
Find Joyce 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.
Joyce Lee is an internist in Fremont, California
Joyce Lee practices at Palo Alto Medical Foundation-Fremont Center in Fremont, California.
Joyce Lee's NPI, 1144676404, was assigned on May 5, 2016. Joyce Lee graduated from Stanford University School Of Medicine in 2016. Joyce Lee holds California license A153948.
NPI and contact details
- NPI
- 1144676404NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224368188
- NPI enumeration date
- May 5, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (510) 498-2812
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Joyce Lee practices at Palo Alto Medical Foundation-Fremont Center in Fremont, California
Joyce Lee's primary practice is Palo Alto Medical Foundation-Fremont Center, at 3200 Kearney Street, Fremont, CA 94538. The practice phone is (510) 498-2812.
- Palo Alto Medical Foundation-Fremont Center3200 Kearney Street, Fremont, CA 94538Phone(510) 498-2812
Source: Dmand AI Affiliation Data
Joyce Lee is affiliated with 4 sites of care and 1 medical group
Joyce Lee's primary practice is Palo Alto Medical Foundation-Fremont Center in Fremont, California. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Joyce Lee to 2 more home health agencies and 1 group practice or clinic, each named with a free account. Joyce Lee's employer is on file too: a breast imaging center.
Palo Alto Medical Foundation-Fremont CenterPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Joyce Lee's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Joyce Lee practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Palo Alto Medical Foundation-Fremont Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Joyce Lee is one of 16,751 internists in California
Internal medicine is Joyce Lee's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Joyce Lee is board certified in internal medicine by the American Board of Internal Medicine. Joyce Lee is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute skin infection, aneurysm, arthritis, asthma, atrial fibrillation and flutter, chronic anemia and chronic diabetes among the conditions Joyce Lee treats.
Internists near Joyce Lee
Counts of internists 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
Joyce Lee billed Medicare for 422 services in 2024
CMS data shows 422 Medicare services from Joyce Lee across 9 procedure codes in 2024, for 170 Medicare patients. Medicare paid $49,268 for them. Every service was in an office.
Medicare services, 2024422
Medicare patients170
Paid by Medicare$49,268
Procedure codes9
Joyce Lee's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2552024: 254No change
- Other services
- 2023: 1322024: 1374%
- Tests and treatments
- 2023: 342024: 319%
Joyce Lee compared with the California median for internists, 2024
- Joyce Lee
- California median
- Medicare services
- 422vs 36117% above
- Medicare patients
- 170vs 15113% above
- Part D claims
- 1,598vs 4213.8 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Joyce 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 Joyce Lee?
Medicare shows one payer. Book a meeting to get commercial claims data for Joyce Lee and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Joyce Lee treated 170 Medicare patients in 2024, average age 75
CMS counts 170 Medicare patients who saw Joyce Lee in 2024. The largest group is 65 to 74, with 84 patients. 75% of them have high cholesterol, and 66% have high blood pressure. 19% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Joyce Lee's median patient age at 51, with 67% women.
Medicare patients, 2024170
Average age75
Average risk score1.08
Also on Medicaid19%
Joyce Lee's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Joyce Lee's Medicare patients by sex, 2024
- Women9656%
- Men7444%
Chronic conditions among Joyce Lee's Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Diabetes36%
- Arthritis32%
- Osteoporosis28%
- Ischemic heart disease21%
- Chronic kidney disease20%
- Anxiety19%
Share of Medicare patients with each condition. A patient can have several.
Joyce 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 51
Patient panel by sex, all payers
- Women67%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Joyce Lee wrote 1,999 Medicare Part D claims in 2024
In 2024, Joyce Lee wrote 1,999 Medicare Part D claims for 192 patients. 93% of them were for generic drugs. CMS names the drug for 1,598 of them, across 43 drugs with 11 or more claims each, at $46,521 in total drug cost. In 2023, CMS named 1,566 claims across 43 drugs.
Part D claims, 20241,999
Drugs named by CMS43
Total drug cost$46,521
Part D patients192
Joyce Lee's Part D claims by kind of drug, 2024
- Generic1,850 claims93%
- Brand-name and other149 claims7%
Joyce 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 Joyce Lee's Part D claims, 2024
- Opioids1%20 of 1,999 claims
- Antibiotics2%35 of 1,999 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: 1,5662024: 1,5982%
Drugs named by CMS: 43 in 2024, 43 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
Joyce Lee offers telehealth to Medicare patients
Joyce Lee accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Joyce Lee as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Joyce Lee has 1 publication on record
Dmand AI links 1 paper to Joyce Lee. Joyce Lee's most frequent co-author is David Bernard Miklos, MD, PhD.
Papers1
Joyce Lee's most frequent co-authors
Recent publications by Joyce Lee
See who Joyce Lee researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Joyce Lee works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Joyce Lee received $108 in industry payments from 2024 to 2025
CMS Open Payments shows 6 general payments to Joyce Lee from 1 drug or device company from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Cranial Technologies, Inc paid the most, $108.
General payments to Joyce Lee by program year, 2024 to 2025
Companies that paid Joyce Lee the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Joyce Lee graduated from Stanford University School Of Medicine
Joyce Lee graduated from Stanford University School Of Medicine in 2016.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Joyce Lee accepts plans from 11 insurance carriers
Joyce 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 Joyce Lee accepts, by number of carriers
- PPO7
- HMO6
- EPO4
- Medicare4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Joyce 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 Joyce 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 Joyce Lee's NPI number?
Joyce Lee's NPI number is 1144676404. It was assigned on May 5, 2016, and it is active in the NPI Registry.
What does Joyce Lee specialize in?
Joyce Lee is an internist in Fremont, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Joyce Lee practice?
Joyce Lee practices at 3200 Kearney Street, Fremont, CA 94538. Joyce Lee's primary practice is Palo Alto Medical Foundation-Fremont Center in Fremont, California. Dmand AI also links Joyce Lee to 2 home health agencies and 1 group practice or clinic.
What is Joyce Lee's office phone number?
The practice phone on file for Joyce Lee is (510) 498-2812.
What is Joyce Lee's medical license number?
Joyce Lee holds California license A153948.
What medical group is Joyce Lee part of?
Joyce Lee is linked to Palo Alto Foundation Medical Group.
Does Joyce Lee accept Medicare?
Yes. CMS data shows Joyce Lee billed Medicare for 422 services in 2024, and Joyce Lee accepts Medicare assignment.
Does Joyce Lee offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Joyce Lee as offering telehealth services.
How many Medicare patients does Joyce Lee see?
CMS counts 170 Medicare patients who saw Joyce Lee in 2024, with an average age of 75.
Is Joyce Lee board certified?
Yes. Joyce Lee is board certified in internal medicine by the American Board of Internal Medicine.
Show 8 more questionsShow fewer questions
What services does Joyce Lee bill to Medicare?
In 2024, Joyce Lee's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
Where did Joyce Lee go to medical school?
Joyce Lee graduated from Stanford University School Of Medicine in 2016.
What drugs does Joyce Lee prescribe most?
In 2024 Medicare Part D data, Joyce Lee's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metformin HCl.
Has Joyce Lee received payments from drug or device companies?
CMS Open Payments shows $108 in general payments to Joyce Lee from 1 company from 2024 to 2025. The largest total came from Cranial Technologies, Inc.
How long has Joyce Lee been practicing?
Joyce Lee graduated from medical school in 2016, 10 years ago.
Does Joyce Lee do research?
Dmand AI links 1 publication to Joyce Lee.
Who does Joyce Lee publish with?
Joyce Lee's most frequent co-authors are David Bernard Miklos, MD, PhD (1 shared paper).
What insurance does Joyce Lee accept?
Joyce 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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