Dr. Timothy D. Lee, MD

  • Loma Linda, CA
  • Internist
NPI1447694633PAC ID9335382977
Medicare services, 2024
368
Medicare patients, 2024
120
Part D claims, 2024
234
MIPS score, 2024
89
Hospital affiliations
1
Practice address
11234 Anderson St, Loma Linda, CA 92354
Practice phone
Call (909) 558-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Loma Linda University Medical Center

Hospital · Loma Linda, California

See all 4 affiliations

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Dr. Timothy D. Lee is an internist in Loma Linda, California

Dr. Lee practices at Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church.

Dr. Lee's NPI, 1447694633, was assigned on April 18, 2013. Dr. Lee graduated from Loma Linda University School Of Medicine in 2013. Dr. Lee holds California license A149885.

NPI and contact details
Medicare PAC ID
9335382977
NPI enumeration date
April 18, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(909) 558-4000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
39
Medical school graduation
2013

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Timothy D. Lee practices at Loma Linda University Medical Center in Loma Linda, California

Dr. Lee's primary practice is Loma Linda University Medical Center, at 11234 Anderson St, Loma Linda, CA 92354 in San Bernardino County. The practice phone is (909) 558-4000.

Source: Dmand AI Affiliation Data

Dr. Timothy D. Lee is affiliated with 2 sites of care and 2 medical groups

Dr. Lee's primary practice is Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church. The medical group on file is Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI also links Dr. Lee to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 4 affiliations for Dr. Lee

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Timothy D. Lee's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lee practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Loma Linda University Medical CenterAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Timothy D. 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. Dmand AI has Dr. Lee's licenses on file in 2 states: California and Ohio.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A149885 · 2017 to 2026 · taxonomy 207R00000X
  • Pediatrics, OhioLicense 57.023101 · 2013 to 2018 · taxonomy 208000000X

Clinical focus

Dmand AI lists acute respiratory failure, congestive heart failure, gastrointestinal bleeding, gastrointestinal infection, gastrointestinal inflammation, pneumonia and respiratory infection, sepsis and syncope & collapse 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. Timothy D. Lee billed Medicare for 368 services in 2024

CMS data shows 368 Medicare services from Dr. Lee across 4 procedure codes in 2024, for 120 Medicare patients. Medicare paid $28,198 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024368
Medicare patients120
Paid by Medicare$28,198
Procedure codes4

Dr. Lee's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2612024: 36841%

Dr. Lee compared with the California median for internists, 2024

  • Dr. Lee
  • California median
Medicare services
368vs 361Close to median
Medicare patients
120vs 15121% below
Part D claims
11vs 42197% below

Medians across 15,815 internists 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Timothy D. Lee treated 120 Medicare patients in 2024, average age 71

CMS counts 120 Medicare patients who saw Dr. Lee in 2024. The largest group is 65 to 74, with 51 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 65% are also on Medicaid. Their average risk score is 3.80, 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 62, with 49% women.

Medicare patients, 2024120
Average age71
Average risk score3.80
Also on Medicaid65%

Dr. Lee's Medicare patients by age, 2024

Dr. Lee's Medicare patients by sex, 2024

  • Women5848%
  • Men6252%

Chronic conditions among Dr. Lee's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes66%
  4. Chronic kidney disease59%
  5. Heart failure58%
  6. Ischemic heart disease55%
  7. Arthritis53%
  8. Mood disorders44%

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 62

Patient panel by sex, all payers

  • Women49%
  • Men51%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Timothy D. Lee wrote 234 Medicare Part D claims in 2024

In 2024, Dr. Lee wrote 234 Medicare Part D claims for 78 patients. 86% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $6,310 in total drug cost. In 2019, CMS named 35 claims across 3 drugs.

Part D claims, 2024234
Drugs named by CMS1
Total drug cost$6,310
Part D patients78

Dr. Lee's Part D claims by kind of drug, 2024

  • Generic202 claims86%
  • Brand-name and other32 claims14%

Dr. Lee's most prescribed drugs by claims, 2022

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

  • Antibiotics18%42 of 234 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, 2019 to 2022

  • 2019
  • 2022
Claims for drugs CMS names
2019: 352022: 1169%

Drugs named by CMS: 1 in 2022, 3 in 2019.

See all prescribing by Dr. Lee

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. Timothy D. Lee scored 89 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 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

  • 89of 100Final score
  • 72.1of 100Quality
  • 80of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 77of 100Cost

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. Timothy D. Lee graduated from Loma Linda University School Of Medicine

Dr. Lee graduated from Loma Linda University School Of Medicine in 2013.

  1. Medical schoolLoma Linda University School Of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in pediatricsAmerican Board of Pediatrics

Source: Dmand AI Professional Profile Data

Dr. Timothy D. Lee accepts plans from 9 insurance carriers

Dr. Lee is in network with 9 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Molina
  • Regence Health Plans
  • AK State Medicaid
  • CMS Medicare
  • +1 more carriersWith a free account

Plan types Dr. Lee accepts, by number of carriers

  1. Medicare7
  2. PPO5
  3. HMO3
  4. Medicaid2
  5. POS2
  6. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Timothy D. Lee's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Timothy D. 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. Timothy D. Lee's NPI number?

Dr. Timothy D. Lee's NPI number is 1447694633. It was assigned on April 18, 2013, and it is active in the NPI Registry.

What kind of doctor is Dr. Timothy D. Lee?

Dr. Timothy D. Lee is an internist in Loma Linda, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Timothy D. Lee practice?

Dr. Lee practices at 11234 Anderson St, Loma Linda, CA 92354. Dr. Lee's primary practice is Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church. Dmand AI also links Dr. Lee to 1 group practice or clinic and 1 medical group.

What is Dr. Timothy D. Lee's office phone number?

The practice phone on file for Dr. Lee is (909) 558-4000.

What is Dr. Timothy D. Lee's medical license number?

Dr. Lee holds California license A149885, one of the licenses on file in 2 states.

Which states has Dr. Timothy D. Lee been licensed in?

Dmand AI has state licenses on file for Dr. Lee in California (2017 to 2026) and Ohio (2013 to 2018).

Which hospitals is Dr. Timothy D. Lee affiliated with?

Dr. Lee practices at Loma Linda University Medical Center in Loma Linda, California.

What medical group is Dr. Timothy D. Lee part of?

Dr. Lee is linked to Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI links Dr. Lee to 1 more medical group.

Does Dr. Timothy D. Lee accept Medicare?

Yes. CMS data shows Dr. Lee billed Medicare for 368 services in 2024, and Dr. Lee accepts Medicare assignment.

What is Dr. Timothy D. Lee's MIPS score?

Dr. Lee's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.

Show 7 more questionsShow fewer questions

How many Medicare patients does Dr. Timothy D. Lee see?

CMS counts 120 Medicare patients who saw Dr. Lee in 2024, with an average age of 71.

Is Dr. Timothy D. Lee board certified?

Yes. Dr. Lee is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Timothy D. Lee bill to Medicare?

In 2024, Dr. Lee's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).

Where did Dr. Timothy D. Lee go to medical school?

Dr. Lee graduated from Loma Linda University School Of Medicine in 2013.

What drugs does Dr. Timothy D. Lee prescribe most?

In 2022 Medicare Part D data, Dr. Lee's most prescribed drugs by claims were Eliquis.

How long has Dr. Timothy D. Lee been practicing?

Dr. Lee graduated from medical school in 2013, 13 years ago.

What insurance does Dr. Timothy D. Lee accept?

Dr. Lee is in network with 9 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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