Dr. Albert Yi Tsien, MD

  • Seattle, WA
  • Allergist and immunologist
NPI1801953559PAC ID1052366705
Medicare services, 2016
12
Medicare patients, 2024
14
Part D claims, 2024
626
Industry payments
$1,114
Affiliated sites
1
Practice address
125 16th E Ave, Seattle, WA 98112
Practice phone
Call (509) 241-7349
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Kaiser Foundation Health Plan of Washington

Seattle, Washington

See all 3 affiliations

Find Dr. Tsien'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.

View contacts for free

Dr. Albert Yi Tsien is an allergist and immunologist in Seattle, Washington

Dr. Tsien practices at Kaiser Foundation Health Plan of Washington in Seattle, Washington.

Dr. Tsien's NPI, 1801953559, was assigned on January 2, 2007. Dr. Tsien graduated from Illinois Medical College in 1989. Dr. Tsien holds Washington license MD00044027.

NPI and contact details
Medicare PAC ID
1052366705
NPI enumeration date
January 2, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(509) 241-7349
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
63
Medical school graduation
1989

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

Dr. Albert Yi Tsien practices at Kaiser Foundation Health Plan of Washington in Seattle, Washington

Dr. Tsien's primary practice is Kaiser Foundation Health Plan of Washington, at 125 16th E Ave, Seattle, WA 98112 in King County. The practice phone is (509) 241-7349.

  • Kaiser Foundation Health Plan of Washington
    125 16th E Ave, Seattle, WA 98112 · King CountyPhone(509) 241-7349

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Albert Yi Tsien is affiliated with 2 sites of care and 1 medical group

Dr. Tsien's primary practice is Kaiser Foundation Health Plan of Washington in Seattle, Washington. The medical group on file is Washington Permanente Medical Group, P.C. Dmand AI also links Dr. Tsien to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Tsien

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Albert Yi Tsien's practice

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

EHR by site
SiteEHR vendor and product
Kaiser Foundation Health Plan of WashingtonAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Tsien practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Albert Yi Tsien is one of 79 allergists and immunologists in Washington

Allergy and immunology is Dr. Tsien's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Tsien is licensed in Washington.

Specialties and state licenses

  • Allergy and immunology, WashingtonPrimaryLicense MD00044027 · taxonomy 207K00000X

Allergists and immunologists near Dr. Tsien

Counts of allergists and immunologists 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. Albert Yi Tsien billed Medicare for 12 services in 2016

CMS data shows 12 Medicare services from Dr. Tsien across 1 procedure code in 2016, all of them office visits, for 14 Medicare patients. Medicare paid $515 for them. Every service was in an office.

Medicare services, 201612
Medicare patients14
Paid by Medicare$515
Procedure codes1

Dr. Tsien compared with the Washington median for allergists and immunologists, 2016

  • Dr. Tsien
  • Washington median
Medicare services
12vs 1,45499% below
Medicare patients
14vs 13289% below
Part D claims
577vs 32478% above

Medians across 77 allergists and immunologists in Washington with Dmand AI profiles that report each measure.

Dr. Tsien's most billed Medicare procedure codes, 2016

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. Tsien

Need commercial claims for Dr. Tsien?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tsien and other allergists and immunologists in Washington.

Book a meeting

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

Dr. Albert Yi Tsien treated 14 Medicare patients in 2024, average age 65

CMS counts 14 Medicare patients who saw Dr. Tsien in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 0.99, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Tsien's median patient age at 27, with 75% women.

Medicare patients, 202414
Average age65
Average risk score0.99

Dr. Tsien's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Tsien's patients across all payers

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

Patient panel by age, all payers

Median age 27

Patient panel by sex, all payers

  • Women75%
  • Men25%

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

Dr. Albert Yi Tsien wrote 626 Medicare Part D claims in 2024

In 2024, Dr. Tsien wrote 626 Medicare Part D claims for 114 patients. 51% of them were for generic drugs. CMS names the drug for 577 of them, across 13 drugs with 11 or more claims each, at $131,169 in total drug cost. In 2023, CMS named 486 claims across 10 drugs.

Part D claims, 2024626
Drugs named by CMS13
Total drug cost$131,169
Part D patients114

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

  • Generic319 claims51%
  • Brand-name307 claims49%

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

  • Antibiotics3%18 of 626 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: 4862024: 57719%

Drugs named by CMS: 13 in 2024, 10 in 2023.

See all prescribing by Dr. Tsien

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. Albert Yi Tsien offers telehealth to Medicare patients

Dr. Tsien accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Tsien as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

Find allergists and immunologists like Dr. Tsien by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Albert Yi Tsien received $1,114 in industry payments from 2016 to 2025

CMS Open Payments shows 21 general payments to Dr. Tsien from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $381.

General payments to Dr. Tsien by program year, 2016 to 2025

Companies that paid Dr. Tsien the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Tsien

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Albert Yi Tsien graduated from Illinois Medical College

Dr. Tsien graduated from Illinois Medical College in 1989.

  1. Medical schoolIllinois Medical College

Source: Dmand AI Professional Profile Data

Sources for Dr. Albert Yi Tsien'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. Albert Yi Tsien

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. Albert Yi Tsien's NPI number?

Dr. Albert Yi Tsien's NPI number is 1801953559. It was assigned on January 2, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Albert Yi Tsien?

Dr. Albert Yi Tsien is an allergist and immunologist in Seattle, Washington. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).

Where does Dr. Albert Yi Tsien practice?

Dr. Tsien practices at 125 16th E Ave, Seattle, WA 98112. Dr. Tsien's primary practice is Kaiser Foundation Health Plan of Washington in Seattle, Washington. Dmand AI also links Dr. Tsien to 1 group practice or clinic.

What is Dr. Albert Yi Tsien's office phone number?

The practice phone on file for Dr. Tsien is (509) 241-7349.

What is Dr. Albert Yi Tsien's medical license number?

Dr. Tsien holds Washington license MD00044027.

What medical group is Dr. Albert Yi Tsien part of?

Dr. Tsien is linked to Washington Permanente Medical Group, P.C.

Does Dr. Albert Yi Tsien accept Medicare?

Yes. CMS data shows Dr. Tsien billed Medicare for 12 services in 2016, and Dr. Tsien accepts Medicare assignment.

Does Dr. Albert Yi Tsien offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Tsien as offering telehealth services.

How many Medicare patients does Dr. Albert Yi Tsien see?

CMS counts 14 Medicare patients who saw Dr. Tsien in 2024, with an average age of 65.

What services does Dr. Albert Yi Tsien bill to Medicare?

In 2016, Dr. Tsien's most billed Medicare services were office visit, new patient (99203).

Show 4 more questionsShow fewer questions

Where did Dr. Albert Yi Tsien go to medical school?

Dr. Tsien graduated from Illinois Medical College in 1989.

What drugs does Dr. Albert Yi Tsien prescribe most?

In 2024 Medicare Part D data, Dr. Tsien's most prescribed drugs by claims were Alvesco, Wixela Inhub and Montelukast Sodium.

Has Dr. Albert Yi Tsien received payments from drug or device companies?

CMS Open Payments shows $1,114 in general payments to Dr. Tsien from 10 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Albert Yi Tsien been practicing?

Dr. Tsien graduated from medical school in 1989, 37 years ago.

Selling to allergy and immunology practices?

See allergists and immunologists in Washington by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)