Dr. Devin Tsai, DO
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Addiction Medicine & Recovery Services at Oakland Medical Center
Outpatient Addiction Treatment · Oakland, California
Find Dr. Tsai's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
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
- 1962609958NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557495694
- NPI enumeration date
- July 2, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 251-0121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- 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 Center380 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.
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.
| Site | EHR vendor and product |
|---|---|
| Addiction Medicine & Recovery Services at Oakland Medical Center | Available with a free account |
| +2 more affiliated sites | Available 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, CaliforniaPrimary
- Rhode Island license
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.
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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tsai 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. 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.
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
- High blood pressure75%
- High cholesterol60%
- Diabetes47%
- Mood disorders41%
- Depression40%
- Arthritis37%
- Chronic kidney disease32%
- 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.
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.
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.
Topics Dr. Tsai writes about most
- Emergency Medical Services
- Rhode Island
Dr. Tsai's most frequent co-authors
Recent publications by Dr. Tsai
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.
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.
- Medical school
- Board certified in emergency medical services
- Board certified in emergency medicine
- Board certified in 2016 - 2025
- Board certified in 2012 - 2013
- Board certified in 2010 - 2016
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
- EPO1
- HMO1
- Medicaid1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Devin Tsai'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. 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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