Dr. Thomas Lee, MD
- Medicare services, 2024
- 414
- Medicare patients, 2024
- 302
- Part D claims, 2024
- 205
- Publications
- 2
- MIPS score, 2024
- 98
- Practice address
- 1600 W Ave J, Lancaster, CA 93534
- Practice phone
- Call (661) 949-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lee's professional email, personal email and mobile number
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Dr. Thomas Lee is an emergency medicine physician in Lancaster, California
Dr. Lee practices at Antelope Valley Medical Center in Lancaster, California, part of Antelope Valley Healthcare District.
Dr. Lee's NPI, 1194781898, was assigned on April 22, 2006. Dr. Lee graduated from UCSF School of Medicine in 1993. Dr. Lee holds California license A60222.
- NPI
- 1194781898NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446385025
- NPI enumeration date
- April 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (661) 949-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas Lee practices at Antelope Valley Medical Center in Lancaster, California
Dr. Lee's primary practice is Antelope Valley Medical Center, at 1600 W Ave J, Lancaster, CA 93534 in Los Angeles County. The practice phone is (661) 949-5500.
- Antelope Valley Medical Center1600 W Ave J, Lancaster, CA 93534 · Los Angeles CountyPhone(661) 949-5500
Source: Dmand AI Affiliation Data
Dr. Thomas Lee is affiliated with 1 site of care and 2 medical groups
Dr. Lee's primary practice is Antelope Valley Medical Center in Lancaster, California, part of Antelope Valley Healthcare District. The medical group on file is Antelope Valley Emergency Medical Associates. Dmand AI also links Dr. Lee to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas 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 |
|---|---|
| Antelope Valley Medical Center | Available with a free account |
| +1 medical group | 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 Antelope Valley Healthcare District and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Thomas Lee is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Lee's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Lee is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Lee is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Lee
Counts of emergency medicine physicians 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. Thomas Lee billed Medicare for 414 services in 2024
CMS data shows 414 Medicare services from Dr. Lee across 4 procedure codes in 2024, for 302 Medicare patients. Medicare paid $40,436 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lee's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4462024: 30232%
- Tests and treatments
- 2023: 1872024: 11240%
Dr. Lee compared with the California median for emergency medicine physicians, 2024
- Dr. Lee
- California median
- Medicare services
- 414vs 26556% above
- Medicare patients
- 302vs 24324% above
- Part D claims
- 109vs 6276% above
Medians across 7,079 emergency medicine physicians 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lee and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas Lee treated 302 Medicare patients in 2024, average age 69
CMS counts 302 Medicare patients who saw Dr. Lee in 2024. The largest group is 65 to 74, with 118 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 74% are also on Medicaid. Their average risk score is 2.87, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Lee's median patient age at 43, with 56% women.
Dr. Lee's Medicare patients by age, 2024
Dr. Lee's Medicare patients by sex, 2024
- Women19364%
- Men10936%
Chronic conditions among Dr. Lee's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis67%
- Diabetes58%
- Anxiety43%
- Mood disorders43%
- Chronic kidney disease41%
- Depression41%
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 43
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas Lee wrote 205 Medicare Part D claims in 2024
In 2024, Dr. Lee wrote 205 Medicare Part D claims for 148 patients. 84% of them were for generic drugs. CMS names the drug for 109 of them, across 6 drugs with 11 or more claims each, at $873 in total drug cost. In 2023, CMS named 78 claims across 4 drugs.
Dr. Lee's Part D claims by kind of drug, 2024
- Generic173 claims84%
- Brand-name32 claims16%
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
- Opioids10%20 of 205 claims
- Antibiotics28%58 of 205 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: 782024: 10940%
Drugs named by CMS: 6 in 2024, 4 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. Thomas Lee scored 98 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Lee for performance year 2024, reported as part of a group. Dr. Lee accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Lee's MIPS scores, performance year 2024
- 98of 100Final score
- 85.3of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Thomas Lee has 2 publications on record
Dmand AI links 2 papers 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 emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thomas Lee received $27 in industry payments in 2016
CMS Open Payments shows 2 general payments to Dr. Lee from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $27.
Companies that paid Dr. Lee the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas Lee graduated from UCSF School of Medicine
Dr. Lee graduated from UCSF School of Medicine in 1993.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Thomas Lee accepts plans from 12 insurance carriers
Dr. Lee is in network with 12 carriers, including Elevance, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Aetna
- HCSC
- LA Care
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- +4 more carriersWith a free account
Plan types Dr. Lee accepts, by number of carriers
- HMO7
- PPO7
- EPO3
- POS3
- Medicare2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Thomas 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)Clinician Public Reporting: Overall MIPS Performance (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. Thomas 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. Thomas Lee's NPI number?
Dr. Thomas Lee's NPI number is 1194781898. It was assigned on April 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Lee?
Dr. Thomas Lee is an emergency medicine physician in Lancaster, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Thomas Lee practice?
Dr. Lee practices at 1600 W Ave J, Lancaster, CA 93534. Dr. Lee's primary practice is Antelope Valley Medical Center in Lancaster, California, part of Antelope Valley Healthcare District. Dmand AI also links Dr. Lee to 1 medical group.
What is Dr. Thomas Lee's office phone number?
The practice phone on file for Dr. Lee is (661) 949-5500.
What is Dr. Thomas Lee's medical license number?
Dr. Lee holds California license A60222.
Which hospitals is Dr. Thomas Lee affiliated with?
Dr. Lee practices at Antelope Valley Medical Center in Lancaster, California.
What medical group is Dr. Thomas Lee part of?
Dr. Lee is linked to Antelope Valley Emergency Medical Associates. Dmand AI links Dr. Lee to 1 more medical group.
Does Dr. Thomas Lee accept Medicare?
Yes. CMS data shows Dr. Lee billed Medicare for 414 services in 2024, and Dr. Lee accepts Medicare assignment.
What is Dr. Thomas Lee's MIPS score?
Dr. Lee's MIPS final score for performance year 2024 is 98 out of 100, reported as part of a group.
How many Medicare patients does Dr. Thomas Lee see?
CMS counts 302 Medicare patients who saw Dr. Lee in 2024, with an average age of 69.
Show 8 more questionsShow fewer questions
Is Dr. Thomas Lee board certified?
Yes. Dr. Lee is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Thomas Lee bill to Medicare?
In 2024, Dr. Lee's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Where did Dr. Thomas Lee go to medical school?
Dr. Lee graduated from UCSF School of Medicine in 1993.
What drugs does Dr. Thomas Lee prescribe most?
In 2024 Medicare Part D data, Dr. Lee's most prescribed drugs by claims were Prednisone, Albuterol Sulfate Hfa and Hydrocodone-Acetaminophen.
Has Dr. Thomas Lee received payments from drug or device companies?
CMS Open Payments shows $27 in general payments to Dr. Lee from 1 company from 2016 to 2016. The largest total came from Pfizer Inc.
How long has Dr. Thomas Lee been practicing?
Dr. Lee graduated from medical school in 1993, 33 years ago.
Does Dr. Thomas Lee do research?
Dmand AI links 2 publications to Dr. Lee.
What insurance does Dr. Thomas Lee accept?
Dr. Lee is in network with 12 carriers, including Elevance, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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