Dr. Jonathan W. Lee, MD
- Medicare services, 2023
- 14
- Medicare patients, 2024
- 19
- Part D claims, 2024
- 8,654
- Hospital affiliations
- 1
- Industry payments
- $57
- Practice address
- 9400 Rosecrans Avenue, Bellflower, CA 90706
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD
Acute Care Hospital outpatient department · Bellflower, 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. Jonathan W. Lee is an internist in Bellflower, California
Dr. Lee practices at Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California.
Dr. Lee's NPI, 1790852911, was assigned on November 30, 2006. Dr. Lee graduated from VCU School of Medicine in 1987. Dr. Lee holds California license G63814.
- NPI
- 1790852911NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880727403
- NPI enumeration date
- November 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan W. Lee practices at Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California
Dr. Lee's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD, at 9400 Rosecrans Avenue, Bellflower, CA 90706.
- Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD9400 Rosecrans Avenue, Bellflower, CA 90706
Source: Dmand AI Affiliation Data
Dr. Jonathan W. Lee is affiliated with 4 sites of care and 1 medical group
Dr. Lee's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California. Dr. Lee is also affiliated with Downey Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Lee to 1 more breast imaging center and 1 group practice or clinic, each named with a free account. Dr. Lee's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jonathan W. Lee's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lee practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan W. 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 board certified in internal medicine by the American Board of Internal Medicine. Dr. Lee is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists chronic diabetes, kidney cysts, lower back pain and muscle pain, fibromyalgia, and limb pain among the conditions Dr. Lee treats.
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. Jonathan W. Lee billed Medicare for 14 services in 2023
CMS data shows 14 Medicare services from Dr. Lee across 1 procedure code in 2023, all of them office visits, for 19 Medicare patients. Medicare paid $585 for them. Every service was in an office.
Dr. Lee's Medicare services by type, 2019 to 2023
- 2019
- 2023
- Office and hospital visits
- 2019: 282023: 1450%
Dr. Lee compared with the California median for internists, 2023
- Dr. Lee
- California median
- Medicare services
- 14vs 36196% below
- Medicare patients
- 19vs 15187% below
- Part D claims
- 8,093vs 42119.2 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Lee's most billed Medicare procedure codes, 2023
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 internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan W. Lee treated 19 Medicare patients in 2024, average age 62
CMS counts 19 Medicare patients who saw Dr. Lee in 2024. 68% of them have high blood pressure. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lee's median patient age at 56, with 61% women.
Chronic conditions among Dr. Lee's Medicare patients, 2024
- High blood pressure68%
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 56
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jonathan W. Lee wrote 8,654 Medicare Part D claims in 2024
In 2024, Dr. Lee wrote 8,654 Medicare Part D claims for 982 patients. 89% of them were for generic drugs. CMS names the drug for 8,093 of them, across 114 drugs with 11 or more claims each, at $364,496 in total drug cost. In 2023, CMS named 7,753 claims across 107 drugs.
Dr. Lee's Part D claims by kind of drug, 2024
- Generic7,744 claims89%
- Brand-name789 claims9%
- Other121 claims1%
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
- Opioids4%337 of 8,654 claims
- Antibiotics2%205 of 8,654 claims
- Antipsychotics, patients 65 and over0%23 of 8,654 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: 7,7532024: 8,0934%
Drugs named by CMS: 114 in 2024, 107 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. Jonathan W. 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. Jonathan W. Lee received $57 in industry payments from 2017 to 2024
CMS Open Payments shows 2 general payments to Dr. Lee from 2 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $42.
General payments to Dr. Lee by program year, 2017 to 2024
Companies that paid Dr. Lee the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jonathan W. Lee graduated from VCU School of Medicine
Dr. Lee graduated from VCU School of Medicine in 1987.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Jonathan W. Lee accepts plans from 2 insurance carriers
Dr. Lee is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Lee accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Jonathan W. 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 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) |
| 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. Jonathan W. 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. Jonathan W. Lee's NPI number?
Dr. Jonathan W. Lee's NPI number is 1790852911. It was assigned on November 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan W. Lee?
Dr. Jonathan W. Lee is an internist in Bellflower, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jonathan W. Lee practice?
Dr. Lee practices at 9400 Rosecrans Avenue, Bellflower, CA 90706. Dr. Lee's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California. Dmand AI also links Dr. Lee to 1 breast imaging center and 1 group practice or clinic.
What is Dr. Jonathan W. Lee's medical license number?
Dr. Lee holds California license G63814.
Which hospitals is Dr. Jonathan W. Lee affiliated with?
Dr. Lee is affiliated with Downey Medical Center.
What medical group is Dr. Jonathan W. Lee part of?
Dr. Lee is linked to Southern California Permanente Medical Group.
Does Dr. Jonathan W. Lee accept Medicare?
Yes. CMS data shows Dr. Lee billed Medicare for 14 services in 2023, and Dr. Lee accepts Medicare assignment.
Does Dr. Jonathan W. Lee offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lee as offering telehealth services.
How many Medicare patients does Dr. Jonathan W. Lee see?
CMS counts 19 Medicare patients who saw Dr. Lee in 2024, with an average age of 62.
Is Dr. Jonathan W. Lee board certified?
Yes. Dr. Lee is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Jonathan W. Lee bill to Medicare?
In 2023, Dr. Lee's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Jonathan W. Lee go to medical school?
Dr. Lee graduated from VCU School of Medicine in 1987.
What drugs does Dr. Jonathan W. Lee prescribe most?
In 2024 Medicare Part D data, Dr. Lee's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Dr. Jonathan W. Lee received payments from drug or device companies?
CMS Open Payments shows $57 in general payments to Dr. Lee from 2 companies from 2017 to 2024. The largest total came from Pfizer Inc.
How long has Dr. Jonathan W. Lee been practicing?
Dr. Lee graduated from medical school in 1987, 39 years ago.
What insurance does Dr. Jonathan W. Lee accept?
Dr. Lee is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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