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Dr. Michael W. Lee, MD
NPI1366591620PAC ID1759452667
- Part D claims, 2024
- 2,072
- Publications
- 13
- Hospital affiliations
- 1
- Industry payments
- $157
- Medical group
- 1
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Michael W. Lee is an internist in Fontana, California
Dr. Lee practices at Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
Dr. Lee's NPI, 1366591620, was assigned on January 9, 2007. Dr. Lee graduated from Medical College Of Wisconsin in 1987. Dr. Lee holds California license G63816.
NPI and contact details
- NPI
- 1366591620NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759452667
- NPI enumeration date
- January 9, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-5000
- 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. Michael W. Lee practices at Fontana Medical Center in Fontana, California
Dr. Lee's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Source: Dmand AI Affiliation Data
Dr. Michael W. Lee is affiliated with 1 site of care and 1 medical group
Dr. Lee's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael W. 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 |
|---|---|
| Fontana Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael 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 hypertension, chronic sinusitis, ear infection, joint pain and upper respiratory infection (URI) 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. Michael W. Lee's patients have a median age of 51
Across all payers, Dmand AI patient panel data puts Dr. Lee's median patient age at 51, with 70% 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 51
Patient panel by sex, all payers
- Women70%
- Men29%
Source: Dmand AI Patient Panel Data
Dr. Michael W. Lee wrote 2,072 Medicare Part D claims in 2024
In 2024, Dr. Lee wrote 2,072 Medicare Part D claims for 456 patients. 91% of them were for generic drugs. CMS names the drug for 1,621 of them, across 48 drugs with 11 or more claims each, at $52,425 in total drug cost. In 2023, CMS named 5,327 claims across 100 drugs.
Part D claims, 20242,072
Drugs named by CMS48
Total drug cost$52,425
Part D patients456
Dr. Lee's Part D claims by kind of drug, 2024
- Generic1,879 claims91%
- Brand-name140 claims7%
- Other53 claims3%
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
- Opioids1%14 of 2,072 claims
- Antibiotics2%45 of 2,072 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: 5,3272024: 1,62170%
Drugs named by CMS: 48 in 2024, 100 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
How Dr. Michael W. Lee takes part in Medicare
Dr. Lee accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Michael W. Lee has 13 publications on record
Dmand AI links 13 papers to Dr. Lee, published from 2006 to 2020. 2014 was the busiest year, with 2. The most frequent topics are Breast Neoplasms, Cell Line, Tumor and Antineoplastic Agents. Dr. Lee's most frequent co-authors are Mantu Gupta, MD, Anna Capasso, MD and Ken Fujioka, MD.
Papers13
Years published2006 to 2020
Dr. Lee's papers by year, 2006 to 2020
Topics Dr. Lee writes about most
- Breast Neoplasms
- Cell Line, Tumor
- Antineoplastic Agents
- bcl-2-Associated X Protein
- Cell Death
- Kidney
- Membrane Potential, Mitochondrial
- Mitochondria
Dr. Lee's most frequent co-authors
- Mantu Gupta, MD2 shared papers
- Anna Capasso, MD1 shared paper
- Ken Fujioka, MD1 shared paper
Recent publications by Dr. Lee
Eur J Pharmacol
Breast NeoplasmsDrug SynergismHistone Deacetylase Inhibitors
Pharmacol Ther
Antineoplastic AgentsBreast NeoplasmsDrug Design
J Med Case Rep
BronchiBronchoscopyForeign Bodies
Actin CytoskeletonAntineoplastic Agentsbcl-2-Associated X Protein
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 internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael W. Lee received $157 in industry payments from 2016 to 2017
CMS Open Payments shows 2 general payments to Dr. Lee from 2 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. St. Jude Medical, Inc. paid the most, $144.
General payments to Dr. Lee by program year, 2016 to 2017
Companies that paid Dr. Lee the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael W. Lee has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Lee, most recently NCQA DRP in 2016.
Awards and honors for Dr. Lee
- 2016
- NCQA DRP
- 2013
- Bridges to Excellence
- Undated
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Michael W. Lee graduated from Medical College Of Wisconsin
Dr. Lee graduated from Medical College Of Wisconsin in 1987. Dr. Lee is a member of AOA, ACP, AMA and ASH.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Michael 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. Michael 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 DataDmand AI Org Hierarchy Data |
| 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)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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Michael 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. Michael W. Lee's NPI number?
Dr. Michael W. Lee's NPI number is 1366591620. It was assigned on January 9, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael W. Lee?
Dr. Michael W. Lee is an internist in Fontana, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Michael W. Lee practice?
Dr. Lee practices at 9961 Sierra Ave, Fontana, CA 92335. Dr. Lee's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
What is Dr. Michael W. Lee's office phone number?
The practice phone on file for Dr. Lee is (909) 427-5000.
What is Dr. Michael W. Lee's medical license number?
Dr. Lee holds California license G63816.
Which hospitals is Dr. Michael W. Lee affiliated with?
Dr. Lee practices at Fontana Medical Center in Fontana, California.
What medical group is Dr. Michael W. Lee part of?
Dr. Lee is linked to Southern California Permanente Medical Group.
Does Dr. Michael W. Lee accept Medicare?
Yes. CMS lists Dr. Lee as accepting Medicare assignment.
Is Dr. Michael W. Lee board certified?
Yes. Dr. Lee is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Michael W. Lee go to medical school?
Dr. Lee graduated from Medical College Of Wisconsin in 1987.
Show 6 more questionsShow fewer questions
What drugs does Dr. Michael 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. Michael W. Lee received payments from drug or device companies?
CMS Open Payments shows $157 in general payments to Dr. Lee from 2 companies from 2016 to 2017. The largest total came from St. Jude Medical, Inc.
How long has Dr. Michael W. Lee been practicing?
Dr. Lee graduated from medical school in 1987, 39 years ago.
Does Dr. Michael W. Lee do research?
Dmand AI links 13 publications to Dr. Lee, published from 2006 to 2020.
Who does Dr. Michael W. Lee publish with?
Dr. Lee's most frequent co-authors are Mantu Gupta, MD (2 shared papers), Anna Capasso, MD (1 shared paper) and Ken Fujioka, MD (1 shared paper).
What insurance does Dr. Michael 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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