Dr. Karl Lee, MD
- Medicare services, 2022
- 588
- Part D claims, 2023
- 451
- Industry payments
- $14,138
- Medical group
- 1
- State license
- 1
- Practice address
- 300 Pasteur Dr, Stanford, CA 94305
- Practice phone
- Call (650) 994-2377
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Medical group
Brown & Toland Physicians
Oakland, 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. Karl Lee is an internist in Stanford, California
Dr. Lee practices with Brown & Toland Physicians, a medical group.
Dr. Lee's NPI, 1093746703, was assigned on July 5, 2006. Dr. Lee graduated from Tufts University School of Medicine in 1992. Dr. Lee holds California license G 77379.
- NPI
- 1093746703NPI Registry (opens in a new tab)
- NPI enumeration date
- July 5, 2006
- NPI status
- Active
- Practice phone
- (650) 994-2377
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Karl Lee's practice address is in Stanford, California
Dr. Lee's practice address in the NPI Registry is 300 Pasteur Dr, Stanford, CA 94305, in Santa Clara County. The practice phone is (650) 994-2377.
- NPI Registry address300 Pasteur Dr, Stanford, CA 94305 · Santa Clara CountyPhone(650) 994-2377
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Karl Lee is affiliated with 1 medical group
Dr. Lee is part of Brown & Toland Physicians, a medical group in Oakland, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Karl Lee's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lee practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brown & Toland Physicians | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Brown & Toland Physicians and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Karl Lee is one of 16,751 internists in California
Internal medicine is Dr. Lee's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lee is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. 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
Dr. Karl Lee billed Medicare for 588 services in 2022
CMS data shows 588 Medicare services from Dr. Lee across 9 procedure codes in 2022. Medicare paid $42,273 for them. Every service was in an office.
Dr. Lee's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 3702022: 3389%
- Other services
- 2021: 1482022: 1619%
- Tests and treatments
- 2021: 982022: 899%
Dr. Lee compared with the California median for internists, 2022
- Dr. Lee
- California median
- Medicare services
- 588vs 36163% above
- Part D claims
- 451vs 4217% above
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Lee's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lee and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karl Lee's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Lee's median patient age at 70, with 29% women.
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 70
Patient panel by sex, all payers
- Women29%
- Men64%
Source: Dmand AI Patient Panel Data
Dr. Karl Lee wrote 451 Medicare Part D claims in 2023
In 2023, Dr. Lee wrote 451 Medicare Part D claims. They cover 20 drugs, with $8,134 in total drug cost. In 2022, CMS named 4,648 claims across 89 drugs.
Dr. Lee's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 4,6482023: 45190%
Drugs named by CMS: 20 in 2023, 89 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Karl Lee received $14,138 in industry payments from 2016 to 2024
CMS Open Payments shows 795 general payments to Dr. Lee from 33 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $3,995.
General payments to Dr. Lee by program year, 2016 to 2024
General payments to Dr. Lee by kind, 2016 to 2024
- Food and beverage$14,130100%
- Education$90%
Companies that paid Dr. Lee the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karl Lee graduated from Tufts University School of Medicine
Dr. Lee graduated from Tufts University School of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Karl 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Karl 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. Karl Lee's NPI number?
Dr. Karl Lee's NPI number is 1093746703. It was assigned on July 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Karl Lee?
Dr. Karl Lee is an internist in Stanford, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Karl Lee practice?
Dr. Lee practices at 300 Pasteur Dr, Stanford, CA 94305. Dr. Lee's primary practice is Brown & Toland Physicians, a medical group.
What is Dr. Karl Lee's office phone number?
The practice phone on file for Dr. Lee is (650) 994-2377.
What is Dr. Karl Lee's medical license number?
Dr. Lee holds California license G 77379.
What medical group is Dr. Karl Lee part of?
Dr. Lee is part of Brown & Toland Physicians in Oakland, California.
Does Dr. Karl Lee accept Medicare?
Yes. CMS data shows Dr. Lee billed Medicare for 588 services in 2022.
What services does Dr. Karl Lee bill to Medicare?
In 2022, Dr. Lee's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and medicare service (G0008).
Where did Dr. Karl Lee go to medical school?
Dr. Lee graduated from Tufts University School of Medicine in 1992.
What drugs does Dr. Karl Lee prescribe most?
In 2023 Medicare Part D data, Dr. Lee's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Carvedilol.
Has Dr. Karl Lee received payments from drug or device companies?
CMS Open Payments shows $14,138 in general payments to Dr. Lee from 33 companies from 2016 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Karl Lee been practicing?
Dr. Lee graduated from medical school in 1992, 34 years ago.
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