Doctor profile · Federal record

Dr. Tiffany Lambrou, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Portland, OR

  • NPI 1306209994
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1111 Ne 99Th Ave Ste 301
Portland, OR 972209442
(503) 963-2707
fax (503) 963-2802
Additional location
9300 Se 91St Ave Ste 300
Clackamas, OR 970863762
Mailing address
541 Ne 20Th Ave Ste 225
Portland, OR 972322895

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
November 4, 2024
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Oregon #MD210527
Medicaid (2)
WA #2208074 · OR #500805967

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306209994. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,983
Distinct HCPCS
10
Medicare allowed
$122,857
HCPCS Description Services Patients Avg allowed
J3380 Injection, vedolizumab, 1 mg 4,800 13 $22
88305 Pathology examination of tissue using a microscope, intermediate complexity 44 26 $37
99204 New patient office or other outpatient visit, 45-59 minutes 28 28 $166
99213 Established patient office or other outpatient visit, 20-29 minutes 20 17 $92
99203 New patient office or other outpatient visit, 30-44 minutes 19 19 $114
45380 Biopsy of large bowel using a flexible endoscope 15 15 $149
88312 Special stained specimen slides to identify organisms including interpretation and report 15 11 $93
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 15 13 $68
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 14 14 $104
99214 Established patient office or other outpatient visit, 30-39 minutes 13 12 $131

In context: peer comparison

Among 45 peers in Portland Gastroenterology Physician, average services per provider: 59. This provider delivers 84× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$99
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 1 $99.00

By nature of payment

Education
$99

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
290
Patients
150
Total drug cost
$5,349
Drug Type Claims Patients Total cost
Omeprazole Generic 150 44 $2,485
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 83 81 $1,630
Dicyclomine Hcl Generic 33 14 $732
Ondansetron Odt (Ondansetron) Brand 13 11 $166
Esomeprazole Magnesium Generic 11 0 $337

Frequently asked questions

Auto-generated from federal data
What is Dr. Tiffany Lambrou's medical specialty?
Dr. Tiffany Lambrou practices Gastroenterology Physician in Portland, OR.
Where does Dr. Tiffany Lambrou practice?
Dr. Tiffany Lambrou practices at 1111 Ne 99Th Ave Ste 301, Portland, OR 972209442. Office phone: 5039632707.
What is Dr. Tiffany Lambrou's NPI?
Dr. Tiffany Lambrou's National Provider Identifier (NPI) is 1306209994, issued by NPPES.
Does Dr. Tiffany Lambrou accept Medicare assignment?
Yes. Dr. Tiffany Lambrou accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tiffany Lambrou commonly perform?
Top Medicare-reported procedures in 2023: Injection, vedolizumab, 1 mg (HCPCS J3380); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.