Doctor profile · Federal record

Dr. Cynthia Tai, M.D.

Nephrology Physician (CMS: Nephrology) · Nephrology Physician · Clackamas, OR

  • NPI 1336154830
  • Accepts Medicare
  • 30 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
9900 Se Sunnyside RD
Clackamas, OR 970159777
(800) 813-2000
Additional location
1130 Nw 22Nd Ave, Suite 640
Portland, OR 972102900
(503) 229-7976
fax (503) 274-4867
Mailing address
500 Ne Multnomah St Ste 100
Portland, OR 972322031

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 12, 2025
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State licenses (2)
Oregon #MD22329 · Oregon #22329
Medicaid
OR #274015

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336154830. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
66
Distinct HCPCS
3
Medicare allowed
$10,614
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 33 14 $79
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 18 13 $283
90962 Dialysis services, 1 physician visit per month (20 years or older) 15 12 $194

In context: peer comparison

Among 1 peers in Clackamas Nephrology Physician, average services per provider: 22. This provider delivers 3.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
638
Patients
180
Total drug cost
$39,527
Drug Type Claims Patients Total cost
Losartan Potassium Generic 88 32 $1,125
Amlodipine Besylate Generic 84 32 $1,122
Lisinopril Generic 73 28 $1,127
Furosemide Generic 54 22 $903
Potassium Chloride Generic 46 13 $1,517
Hydralazine Hcl Generic 38 15 $1,179
Jardiance (Empagliflozin) Brand 37 15 $21,464
Tamsulosin Hcl Generic 35 11 $543
Doxazosin Mesylate Generic 32 0 $694
Sevelamer Carbonate Generic 30 12 $4,261

Frequently asked questions

Auto-generated from federal data
What is Dr. Cynthia Tai's medical specialty?
Dr. Cynthia Tai practices Nephrology Physician in Clackamas, OR.
Where does Dr. Cynthia Tai practice?
Dr. Cynthia Tai practices at 9900 Se Sunnyside RD, Clackamas, OR 970159777. Office phone: 8008132000.
What is Dr. Cynthia Tai's NPI?
Dr. Cynthia Tai's National Provider Identifier (NPI) is 1336154830, issued by NPPES.
Does Dr. Cynthia Tai accept Medicare assignment?
Yes. Dr. Cynthia Tai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cynthia Tai commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Dialysis services, 2-3 physician visits per month (20 years or older) (HCPCS 90961); Dialysis services, 1 physician visit per month (20 years or older) (HCPCS 90962). Source: CMS Medicare Physician & Other Practitioners file.