Doctor profile · Federal record

Dr. Theresa Chan, M.D.

Family Medicine Physician (CMS: Emergency Medicine) · Family Medicine Physician · Medford, OR

  • NPI 1043254576
  • Accepts Medicare
  • 25 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2825 E Barnett Road, Rogue Valley Medical Center
Medford, OR 97504
(541) 789-7000
Mailing address
2640 E Barnett Road, #E-333 Southern Oregon Hospitalists, PC
Medford, OR 97504

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
June 23, 2011
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Oregon #MD152431 · California #A83176
Medicaid
CA #00A831760

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043254576. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
212
Distinct HCPCS
3
Medicare allowed
$19,997
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 164 158 $109
99212 Established patient office or other outpatient visit, 10-19 minutes 29 28 $70
81003 Automated urinalysis test 19 19 $2

In context: peer comparison

Among 28 peers in this city , average services per provider: 93. This provider delivers 2.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$42
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 1 $21.92
Merck Sharp & Dohme LLC 1 $20.18

By nature of payment

Food and Beverage
$42

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Theresa Chan's medical specialty?
Dr. Theresa Chan practices Family Medicine Physician in Medford, OR.
Where does Dr. Theresa Chan practice?
Dr. Theresa Chan practices at 2825 E Barnett Road, Medford, OR 97504. Office phone: 5417897000.
What is Dr. Theresa Chan's NPI?
Dr. Theresa Chan's National Provider Identifier (NPI) is 1043254576, issued by NPPES.
Does Dr. Theresa Chan accept Medicare assignment?
Yes. Dr. Theresa Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Theresa Chan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99212); Automated urinalysis test (HCPCS 81003). Source: CMS Medicare Physician & Other Practitioners file.