Dr. Stephan I. Lee, MD

  • Oakland, CA
  • Internist
NPI1629147830PAC ID2365624681
Medicare services, 2024
173
Medicare patients, 2024
145
Part D claims, 2024
3,811
Publications
1
Hospital affiliations
1
Practice address
380 West MacArthur Boulevard, Oakland, CA 94609
Practice phone
Call (510) 251-0121
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Addiction Medicine & Recovery Services at Oakland Medical Center

Outpatient Addiction Treatment · Oakland, California

See all 3 affiliations

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Dr. Stephan I. Lee is an internist in Oakland, California

Dr. Lee practices at Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California.

Dr. Lee's NPI, 1629147830, was assigned on November 6, 2006. Dr. Lee graduated from George Washington University School of Medicine and Health Sciences in 1998. Dr. Lee holds California license A74285.

NPI and contact details
Medicare PAC ID
2365624681
NPI enumeration date
November 6, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(510) 251-0121
Professional email
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Personal email
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Mobile number
Get number
Sex
Male
Estimated age
54
Medical school graduation
1998

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

Dr. Stephan I. Lee practices at Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California

Dr. Lee's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center, at 380 West MacArthur Boulevard, Oakland, CA 94609. The practice phone is (510) 251-0121.

  • Addiction Medicine & Recovery Services at Oakland Medical Center
    380 West MacArthur Boulevard, Oakland, CA 94609Phone(510) 251-0121

Source: Dmand AI Affiliation Data

Dr. Stephan I. Lee is affiliated with 2 sites of care and 1 medical group

Dr. Lee's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California. Dr. Lee is also affiliated with Oakland Medical Center. The medical group on file is The Permanente Medical Group, Inc.

Addiction Medicine & Recovery Services at Oakland Medical CenterOutpatient Addiction Treatment · Oakland, CaliforniaPrimary
Oakland Medical CenterAcute care hospital, Oakland, CAThe Permanente Medical Group, Inc.Primary care group, Pleasanton, CAParent health systemName with a free account
See all 3 affiliations for Dr. Lee

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

Dmand AI tracks the EHR system at Dr. Stephan I. 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
Addiction Medicine & Recovery Services at Oakland Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Stephan I. 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, CaliforniaPrimaryLicense A74285 · 2001 to 2027 · taxonomy 207R00000X

Clinical focus

Dmand AI lists chronic hypertension 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. Stephan I. Lee billed Medicare for 173 services in 2024

CMS data shows 173 Medicare services from Dr. Lee across 1 procedure code in 2024, for 145 Medicare patients. Medicare paid $1,065 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024173
Medicare patients145
Paid by Medicare$1,065
Procedure codes1

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

  • 2023
  • 2024
Tests and treatments
2023: 1292024: 17334%

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

  • Dr. Lee
  • California median
Medicare services
173vs 36152% below
Medicare patients
145vs 151Close to median
Part D claims
3,204vs 4217.6 times

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.

See all procedures by Dr. Lee

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

Dr. Stephan I. Lee treated 145 Medicare patients in 2024, average age 69

CMS counts 145 Medicare patients who saw Dr. Lee in 2024. The largest group is 65 to 74, with 63 patients. 75% of them have high blood pressure, and 59% have high cholesterol. 66% are also on Medicaid. Their average risk score is 1.95, 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 59, with 56% women.

Medicare patients, 2024145
Average age69
Average risk score1.95
Also on Medicaid66%

Dr. Lee's Medicare patients by age, 2024

Dr. Lee's Medicare patients by sex, 2024

  • Women7149%
  • Men7451%

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

  1. High blood pressure75%
  2. High cholesterol59%
  3. Diabetes46%
  4. Arthritis39%
  5. Heart failure39%
  6. Ischemic heart disease35%
  7. Chronic kidney disease34%
  8. Mood disorders30%

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 59

Patient panel by sex, all payers

  • Women56%
  • Men42%

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

Dr. Stephan I. Lee wrote 3,811 Medicare Part D claims in 2024

In 2024, Dr. Lee wrote 3,811 Medicare Part D claims for 595 patients. 91% of them were for generic drugs. CMS names the drug for 3,204 of them, across 75 drugs with 11 or more claims each, at $82,902 in total drug cost. In 2023, CMS named 2,967 claims across 65 drugs.

Part D claims, 20243,811
Drugs named by CMS75
Total drug cost$82,902
Part D patients595

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

  • Generic3,477 claims91%
  • Brand-name298 claims8%
  • Other36 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

  • Opioids3%104 of 3,811 claims
  • Antibiotics2%82 of 3,811 claims
  • Antipsychotics, patients 65 and over1%24 of 3,811 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: 2,9672024: 3,2048%

Drugs named by CMS: 75 in 2024, 65 in 2023.

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

How Dr. Stephan I. 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. Stephan I. Lee has 1 publication on record

Dmand AI links 1 paper to Dr. Lee in 2020. Dr. Lee's most frequent co-authors are Leslea A. Brickner, MD and Adam Aaron Luxenberg, MD.

Papers1

Dr. Lee's most frequent co-authors

Recent publications by Dr. Lee

See all 1 publications and co-authors

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.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Stephan I. Lee has 1 award and honors on record

Dmand AI lists 1 award for Dr. Lee, most recently CMS Stage 1 2012 in 2011.

Awards and honors for Dr. Lee

  1. 2011
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Stephan I. Lee graduated from George Washington University School of Medicine and Health Sciences

Dr. Lee graduated from George Washington University School of Medicine and Health Sciences in 1998. Dr. Lee is a member of ACP.

  1. Medical schoolGeorge Washington University School of Medicine and Health Sciences
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Stephan I. 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

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Stephan I. 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Awards and committee rolesDmand AI Professional Profile Data
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. Stephan I. 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. Stephan I. Lee's NPI number?

Dr. Stephan I. Lee's NPI number is 1629147830. It was assigned on November 6, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Stephan I. Lee?

Dr. Stephan I. Lee is an internist in Oakland, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Stephan I. Lee practice?

Dr. Lee practices at 380 West MacArthur Boulevard, Oakland, CA 94609. Dr. Lee's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California.

What is Dr. Stephan I. Lee's office phone number?

The practice phone on file for Dr. Lee is (510) 251-0121.

What is Dr. Stephan I. Lee's medical license number?

Dr. Lee holds California license A74285.

Which hospitals is Dr. Stephan I. Lee affiliated with?

Dr. Lee is affiliated with Oakland Medical Center.

What medical group is Dr. Stephan I. Lee part of?

Dr. Lee is linked to The Permanente Medical Group, Inc.

Does Dr. Stephan I. Lee accept Medicare?

Yes. CMS data shows Dr. Lee billed Medicare for 173 services in 2024, and Dr. Lee accepts Medicare assignment.

How many Medicare patients does Dr. Stephan I. Lee see?

CMS counts 145 Medicare patients who saw Dr. Lee in 2024, with an average age of 69.

Is Dr. Stephan I. Lee board certified?

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

Show 7 more questionsShow fewer questions

What services does Dr. Stephan I. Lee bill to Medicare?

In 2024, Dr. Lee's most billed Medicare services were heart test or procedure (93010).

Where did Dr. Stephan I. Lee go to medical school?

Dr. Lee graduated from George Washington University School of Medicine and Health Sciences in 1998.

What drugs does Dr. Stephan I. Lee prescribe most?

In 2024 Medicare Part D data, Dr. Lee's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.

How long has Dr. Stephan I. Lee been practicing?

Dr. Lee graduated from medical school in 1998, 28 years ago.

Does Dr. Stephan I. Lee do research?

Dmand AI links 1 publication to Dr. Lee.

Who does Dr. Stephan I. Lee publish with?

Dr. Lee's most frequent co-authors are Leslea A. Brickner, MD (1 shared paper) and Adam Aaron Luxenberg, MD (1 shared paper).

What insurance does Dr. Stephan I. 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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