NPPES file of Aug 9, 2026

Cynthia Tai, M.D.

Nephrology Physician · Clackamas, OR

Cynthia Tai, M.D. is a nephrology physician with a practice address in Clackamas, Oregon, and NPI 1336154830, issued on Jul 31, 2006. Check the license (Oregon MD22329, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1336154830
Name
Cynthia Tai
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License numbers
MD22329 OR
22329 OR
Self-reported in NPPES; status is on the state search
Practice location
9900 SE Sunnyside RD, Clackamas, OR 97015
Phone
(800) 813-2000
Enumerated
Jul 31, 2006
Record last updated
May 12, 2025
Medicaid ID
274015 OR
Medicare enrollment
Enrolled (PECOS I20100114000605); accepts Medicare assignment
Medical or professional school
University Of Minnesota Medical School, 1996
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 9900 SE Sunnyside RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Douglas Ackerman, M.D.Urology Physician1174636344
  2. Kamran Aghaie, MDGastroenterology Physician1104056936
  3. Joshua Armagost, RNRegistered Nurse First Assistant1558513135
  4. Jeffrey Barton, M.D.Colon & Rectal Surgery Physician1295988350
  5. Tracy Barton, RPHPharmacist1265804421
  6. Natalie Baxter, PA-CMedical Physician Assistant1265675599

Verify Cynthia Tai in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD22329    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oregon license search

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40% fewer Medicare Part D claims than the average nephrology physician in 2024

877 Medicare Part D claims for 167 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.

  1. Cynthia Tai877
  2. Specialty average1,465

Most prescribed

  1. Amlodipine Besylate94 claims
  2. Losartan Potassium91 claims
  3. Jardiance54 claims
  4. Lisinopril52 claims
  5. Hydralazine Hcl43 claims
  6. Furosemide35 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Kaiser Foundation Health Plan OF The NorthwestVancouver, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nephrology Physician providers in Oregon

There are 136 nephrology physician records in Oregon.

All 136 in Oregon → Every provider in Clackamas →

Other nephrology physician records in Oregon

  1. Wooin Ahn, M.D.Portland, OR1366608267
  2. Fadi Akoum, M.D.Hermiston, OR1952577231
  3. Sharon Anderson, MDPortland, OR1285642710
  4. Andreea Andone, M.D.Salem, OR1891711446
  5. Tyler Andrea, DOCorvallis, OR1295183291
  6. Nayan Arora, M.D.Portland, OR1700102159
  7. Rupali Avasare, M.D.Portland, OR1265676324
  8. Susan Bagby, MDPortland, OR1245245760
  9. William Bennett, MDPortland, OR1457320525
  10. Poojitha Beravol, M.D.Corvallis, OR1073749396

Common questions

What is Cynthia Tai, M.D.'s NPI number?

Cynthia Tai, M.D.'s National Provider Identifier (NPI) is 1336154830, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Cynthia Tai, M.D. located?

The NPPES record lists a practice address at 9900 SE Sunnyside RD, Clackamas, OR, 97015. Phone: (800) 813-2000. Providers update this record themselves, so call before visiting.

How can I verify Cynthia Tai, M.D.'s license?

NPPES lists Oregon license number MD22329, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Cynthia Tai, M.D. prescribe under Medicare Part D?

In 2024, Cynthia Tai, M.D. had 877 Medicare Part D claims for 167 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.