Dr. Devin Tsai, DO

  • Oakland, CA
  • Emergency medicine physician
NPI1962609958PAC ID1557495694
Medicare services, 2024
66
Medicare patients, 2024
78
Part D claims, 2024
135
Publications
3
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 4 affiliations

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Dr. Devin Tsai is an emergency medicine physician in Oakland, California

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

Dr. Tsai's NPI, 1962609958, was assigned on July 2, 2007. Dr. Tsai graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 2007. Dr. Tsai holds California license 11450.

NPI and contact details
Medicare PAC ID
1557495694
NPI enumeration date
July 2, 2007
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
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Sex
Male
Estimated age
45
Medical school graduation
2007

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

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

Dr. Tsai'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. Devin Tsai is affiliated with 3 sites of care and 1 medical group

Dr. Tsai's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California. Dr. Tsai is also affiliated with Oakland Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Tsai to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Tsai

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

Dmand AI tracks the EHR system at Dr. Devin Tsai's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tsai practices, 3 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
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Devin Tsai is one of 7,423 emergency medicine physicians in California

Emergency medicine is Dr. Tsai's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Tsai is board certified in emergency medical services by the American Board of Emergency Medicine. Dmand AI has Dr. Tsai's licenses on file in 2 states: California and Rhode Island.

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense 11450 · taxonomy 207P00000X
  • Rhode Island licenseLicense DO00656

Emergency medicine physicians near Dr. Tsai

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. Devin Tsai billed Medicare for 66 services in 2024

CMS data shows 66 Medicare services from Dr. Tsai across 2 procedure codes in 2024, for 78 Medicare patients. Medicare paid $7,624 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202466
Medicare patients78
Paid by Medicare$7,624
Procedure codes2

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

  • 2023
  • 2024
Office and hospital visits
2023: 742024: 6611%

Dr. Tsai compared with the California median for emergency medicine physicians, 2024

  • Dr. Tsai
  • California median
Medicare services
66vs 26575% below
Medicare patients
78vs 24368% below
Part D claims
39vs 6237% below

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Tsai'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. Tsai

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

Dr. Devin Tsai treated 78 Medicare patients in 2024, average age 72

CMS counts 78 Medicare patients who saw Dr. Tsai in 2024. The largest group is 65 to 74, with 32 patients. 75% of them have high blood pressure, and 60% have high cholesterol. 76% are also on Medicaid. Their average risk score is 1.94, 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. Tsai's median patient age at 45, with 58% women.

Medicare patients, 202478
Average age72
Average risk score1.94
Also on Medicaid76%

Dr. Tsai's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Tsai's Medicare patients by sex, 2024

  • Women4456%
  • Men3444%

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

  1. High blood pressure75%
  2. High cholesterol60%
  3. Diabetes47%
  4. Mood disorders41%
  5. Depression40%
  6. Arthritis37%
  7. Chronic kidney disease32%
  8. COPD31%

Share of Medicare patients with each condition. A patient can have several.

Dr. Tsai's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 45

Patient panel by sex, all payers

  • Women58%
  • Men40%

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

Dr. Devin Tsai wrote 135 Medicare Part D claims in 2024

In 2024, Dr. Tsai wrote 135 Medicare Part D claims for 95 patients. 86% of them were for generic drugs. CMS names the drug for 39 of them, across 3 drugs with 11 or more claims each, at $265 in total drug cost. In 2021, CMS named 12 claims across 1 drug.

Part D claims, 2024135
Drugs named by CMS3
Total drug cost$265
Part D patients95

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

  • Generic116 claims86%
  • Brand-name19 claims14%

Dr. Tsai'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. Tsai's Part D claims, 2024

  • Opioids13%18 of 135 claims
  • Antibiotics34%46 of 135 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, 2021 to 2024

  • 2021
  • 2024
Claims for drugs CMS names
2021: 122024: 39225%

Drugs named by CMS: 3 in 2024, 1 in 2021.

See all prescribing by Dr. Tsai

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. Devin Tsai takes part in Medicare

Dr. Tsai 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. Devin Tsai has 3 publications on record

Dmand AI links 3 papers to Dr. Tsai in 2014. 2014 was the busiest year, with 2. The most frequent topics are Emergency Medical Services and Rhode Island. Dr. Tsai's most frequent co-authors are Bryan D. Choi, MD, PhD and Kenneth A. Williams, MD.

Papers3

Topics Dr. Tsai writes about most

  • Emergency Medical Services
  • Rhode Island

Dr. Tsai's most frequent co-authors

Recent publications by Dr. Tsai

See all 3 publications and co-authors

See who Dr. Tsai researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tsai works with, so you can find a warm path to the right emergency medicine physicians.

How network discovery works

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

Dr. Devin Tsai graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury

Dr. Tsai graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 2007.

  1. Medical schoolNew York Institute of Technology College of Osteopathic Medicine - Old Westbury
  2. Board certified in emergency medical servicesAmerican Board of Emergency Medicine
  3. Board certified in emergency medicineAmerican Board of Emergency Medicine
  4. Board certified in 2016 - 2025CA State License
  5. Board certified in 2012 - 2013CT State License
  6. Board certified in 2010 - 2016RI State License

Source: Dmand AI Professional Profile Data

Dr. Devin Tsai accepts plans from 3 insurance carriers

Dr. Tsai is in network with 3 carriers, including Kaiser Permanente, CMS Medicare and RI State Medicaid. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Kaiser Permanente
  • CMS Medicare
  • RI State Medicaid

Plan types Dr. Tsai accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicaid1
  4. Medicare1
  5. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Devin Tsai'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
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. Devin Tsai

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. Devin Tsai's NPI number?

Dr. Devin Tsai's NPI number is 1962609958. It was assigned on July 2, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Devin Tsai?

Dr. Devin Tsai is an emergency medicine physician in Oakland, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Devin Tsai practice?

Dr. Tsai practices at 380 West MacArthur Boulevard, Oakland, CA 94609. Dr. Tsai's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California. Dmand AI also links Dr. Tsai to 1 group practice or clinic.

What is Dr. Devin Tsai's office phone number?

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

What is Dr. Devin Tsai's medical license number?

Dr. Tsai holds California license 11450, one of the licenses on file in 2 states.

Which states has Dr. Devin Tsai been licensed in?

Dmand AI has state licenses on file for Dr. Tsai in California and Rhode Island.

Which hospitals is Dr. Devin Tsai affiliated with?

Dr. Tsai is affiliated with Oakland Medical Center.

What medical group is Dr. Devin Tsai part of?

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

Does Dr. Devin Tsai accept Medicare?

Yes. CMS data shows Dr. Tsai billed Medicare for 66 services in 2024, and Dr. Tsai accepts Medicare assignment.

How many Medicare patients does Dr. Devin Tsai see?

CMS counts 78 Medicare patients who saw Dr. Tsai in 2024, with an average age of 72.

Show 8 more questionsShow fewer questions

Is Dr. Devin Tsai board certified?

Yes. Dr. Tsai is board certified in emergency medical services by the American Board of Emergency Medicine.

What services does Dr. Devin Tsai bill to Medicare?

In 2024, Dr. Tsai's most billed Medicare services were emergency department visit (99285) and emergency department visit (99284).

Where did Dr. Devin Tsai go to medical school?

Dr. Tsai graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 2007.

What drugs does Dr. Devin Tsai prescribe most?

In 2024 Medicare Part D data, Dr. Tsai's most prescribed drugs by claims were Prednisone, Hydrocodone-Acetaminophen and Cefadroxil.

How long has Dr. Devin Tsai been practicing?

Dr. Tsai graduated from medical school in 2007, 19 years ago.

Does Dr. Devin Tsai do research?

Dmand AI links 3 publications to Dr. Tsai.

Who does Dr. Devin Tsai publish with?

Dr. Tsai's most frequent co-authors are Bryan D. Choi, MD, PhD (1 shared paper) and Kenneth A. Williams, MD (1 shared paper).

What insurance does Dr. Devin Tsai accept?

Dr. Tsai is in network with 3 carriers, including Kaiser Permanente, CMS Medicare and RI State Medicaid. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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