Dr. Joshua Andrew Lee, MD
- Medicare services, 2024
- 22
- Medicare patients, 2024
- 31
- Part D claims, 2024
- 240
- Hospital affiliations
- 2
- Industry payments
- $208
- Practice address
- 4501 Sand Creek Road, Antioch, CA 94531
- Practice phone
- Call (925) 813-6500
- 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. Joshua Andrew Lee is an emergency medicine physician in Antioch, California
Dr. Lee practices at Antioch Medical Center in Antioch, California, part of Kaiser Permanente.
Dr. Lee's NPI, 1912438664, was assigned on March 24, 2017. Dr. Lee graduated from University of Southern California Keck School of Medicine in 2017. Dr. Lee holds California license A157703.
- NPI
- 1912438664NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870834559
- NPI enumeration date
- March 24, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (925) 813-6500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joshua Andrew Lee practices at Antioch Medical Center in Antioch, California
Dr. Lee's primary practice is Antioch Medical Center, at 4501 Sand Creek Road, Antioch, CA 94531 in Contra Costa County. The practice phone is (925) 813-6500.
- Antioch Medical Center4501 Sand Creek Road, Antioch, CA 94531 · Contra Costa CountyPhone(925) 813-6500
Source: Dmand AI Affiliation Data
Dr. Joshua Andrew Lee is affiliated with 2 sites of care and 2 medical groups
Dr. Lee's primary practice is Antioch Medical Center in Antioch, California, part of Kaiser Permanente. Dr. Lee is also affiliated with Walnut Creek Medical Center. The medical group on file is The Permanente Medical Group, Inc. 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. Joshua Andrew 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.
| Site | EHR vendor and product |
|---|---|
| Antioch Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joshua Andrew 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 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. Joshua Andrew Lee billed Medicare for 22 services in 2024
CMS data shows 22 Medicare services from Dr. Lee across 2 procedure codes in 2024, for 31 Medicare patients. Medicare paid $2,635 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: 132024: 2269%
Dr. Lee compared with the California median for emergency medicine physicians, 2024
- Dr. Lee
- California median
- Medicare services
- 22vs 26592% below
- Medicare patients
- 31vs 24387% below
- Part D claims
- 93vs 6250% 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joshua Andrew Lee treated 31 Medicare patients in 2024, average age 69
CMS counts 31 Medicare patients who saw Dr. Lee in 2024. The largest group is 65 to 74, with 13 patients. 75% of them have high blood pressure, and 68% have high cholesterol. 65% are also on Medicaid. Their average risk score is 2.62, 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 39, with 58% women.
Dr. Lee's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lee's Medicare patients by sex, 2024
- Women1652%
- Men1548%
Chronic conditions among Dr. Lee's Medicare patients, 2024
- High blood pressure75%
- High cholesterol68%
- Diabetes52%
- Arthritis48%
- Mood disorders35%
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 39
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joshua Andrew Lee wrote 240 Medicare Part D claims in 2024
In 2024, Dr. Lee wrote 240 Medicare Part D claims for 170 patients. 94% of them were for generic drugs. CMS names the drug for 93 of them, across 6 drugs with 11 or more claims each, at $869 in total drug cost. In 2023, CMS named 58 claims across 4 drugs.
Dr. Lee's Part D claims by kind of drug, 2024
- Generic226 claims94%
- Brand-name14 claims6%
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
- Opioids11%26 of 240 claims
- Antibiotics38%90 of 240 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: 582024: 9360%
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
How Dr. Joshua Andrew 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. Joshua Andrew Lee received $208 in industry payments from 2024 to 2025
CMS Open Payments shows 9 general payments to Dr. Lee from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Organon LLC paid the most, $163.
General payments to Dr. Lee by program year, 2024 to 2025
Companies that paid Dr. Lee the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joshua Andrew Lee graduated from University of Southern California Keck School of Medicine
Dr. Lee graduated from University of Southern California Keck School of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joshua Andrew 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) |
| 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. Joshua Andrew 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. Joshua Andrew Lee's NPI number?
Dr. Joshua Andrew Lee's NPI number is 1912438664. It was assigned on March 24, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Joshua Andrew Lee?
Dr. Joshua Andrew Lee is an emergency medicine physician in Antioch, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Joshua Andrew Lee practice?
Dr. Lee practices at 4501 Sand Creek Road, Antioch, CA 94531. Dr. Lee's primary practice is Antioch Medical Center in Antioch, California, part of Kaiser Permanente. Dmand AI also links Dr. Lee to 1 medical group.
What is Dr. Joshua Andrew Lee's office phone number?
The practice phone on file for Dr. Lee is (925) 813-6500.
What is Dr. Joshua Andrew Lee's medical license number?
Dr. Lee holds California license A157703.
Which hospitals is Dr. Joshua Andrew Lee affiliated with?
Dr. Lee practices at Antioch Medical Center in Antioch, California. Dr. Lee is also affiliated with Walnut Creek Medical Center.
What medical group is Dr. Joshua Andrew Lee part of?
Dr. Lee is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Lee to 1 more medical group.
Does Dr. Joshua Andrew Lee accept Medicare?
Yes. CMS data shows Dr. Lee billed Medicare for 22 services in 2024, and Dr. Lee accepts Medicare assignment.
How many Medicare patients does Dr. Joshua Andrew Lee see?
CMS counts 31 Medicare patients who saw Dr. Lee in 2024, with an average age of 69.
What services does Dr. Joshua Andrew Lee bill to Medicare?
In 2024, Dr. Lee's most billed Medicare services were emergency department visit (99284) and emergency department visit (99285).
Show 4 more questionsShow fewer questions
Where did Dr. Joshua Andrew Lee go to medical school?
Dr. Lee graduated from University of Southern California Keck School of Medicine in 2017.
What drugs does Dr. Joshua Andrew Lee prescribe most?
In 2024 Medicare Part D data, Dr. Lee's most prescribed drugs by claims were Cefadroxil, Doxycycline Monohydrate and Amoxicillin-Clavulanate Potass.
Has Dr. Joshua Andrew Lee received payments from drug or device companies?
CMS Open Payments shows $208 in general payments to Dr. Lee from 2 companies from 2024 to 2025. The largest total came from Organon LLC.
How long has Dr. Joshua Andrew Lee been practicing?
Dr. Lee graduated from medical school in 2017, 9 years ago.
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