Doctor profile · Federal record

Dr. Tian Davis, D.O.

Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Oregon City, OR

  • NPI 1285970343
  • Accepts Medicare
  • MIPS 90.5 / 100 · 2023
  • 15 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 Division St
Oregon City, OR 970451527
(503) 650-6270
Mailing address
Po Box 3158
Portland, OR 972083158

Credentials & registration

NPPES · NUCC
NPI registered
December 2012 — 14 yrs on file
Profile last updated
October 19, 2020
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Oregon #DO166035 · Florida #U02830
Medicaid
OR #500670840

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285970343. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
397
Distinct HCPCS
4
Medicare allowed
$46,981
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 279 104 $120
99239 Hospital discharge day management, more than 30 minutes 62 61 $116
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 36 17 $80
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 20 20 $175

In context: peer comparison

Among 4 peers in Oregon City Hospitalist Physician, average services per provider: 97. This provider delivers 4.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
220
Patients
123
Total drug cost
$11,646
Drug Type Claims Patients Total cost
Furosemide Generic 24 22 $75
Atorvastatin Calcium Generic 18 0 $218
Cefdinir Generic 17 17 $143
Pantoprazole Sodium Generic 17 17 $155
Eliquis (Apixaban) Brand 16 15 $8,786
Levothyroxine Sodium Generic 15 0 $245
Metoprolol Succinate Generic 14 12 $89
Oxycodone Hcl Generic 14 14 $101
Prednisone Generic 14 13 $115
Amlodipine Besylate Generic 13 13 $60

Frequently asked questions

Auto-generated from federal data
What is Dr. Tian Davis's medical specialty?
Dr. Tian Davis practices Hospitalist Physician in Oregon City, OR.
Where does Dr. Tian Davis practice?
Dr. Tian Davis practices at 1500 Division St, Oregon City, OR 970451527. Office phone: 5036506270.
What is Dr. Tian Davis's NPI?
Dr. Tian Davis's National Provider Identifier (NPI) is 1285970343, issued by NPPES.
Does Dr. Tian Davis accept Medicare assignment?
Yes. Dr. Tian Davis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tian Davis commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.