Doctor profile · Federal record

Dr. Petros Grivas, M.D.

Medical Oncology Physician (CMS: Medical Oncology) · Seattle, WA

  • NPI 1740443852
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
825 Eastlake Ave E
Seattle, WA 981094405
(206) 520-5000
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
January 8, 2018
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
Washington #MD60807259

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740443852. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
178
Distinct HCPCS
3
Medicare allowed
$28,223
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 115 53 $154
99215 Established patient office or other outpatient visit, 40-54 minutes 42 23 $154
99205 New patient office or other outpatient visit, 60-74 minutes 21 21 $194

In context: peer comparison

Among 18 peers in Seattle Medical Oncology Physician, average services per provider: 51. This provider delivers 3.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$91,572
Transactions
62
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, INC. 22 $41,497.20
Merck Sharp & Dohme LLC 14 $11,236.89
E.R. Squibb & Sons, L.L.C. 4 $9,272.98
Merck KGaA 1 $8,250.00
Pfizer INC. 8 $5,656.87
Abbvie INC. 2 $3,490.60
Daiichi Sankyo INC. 2 $3,425.00
AstraZeneca Pharmaceuticals Lp 3 $3,398.32
AstraZeneca Uk Limited 1 $2,055.00
Emd Serono Research & Development Institute, INC. 1 $1,500.00
Astellas Pharma Global Development 1 $1,250.00
F. Hoffmann-la Roche Ag 1 $380.00
Exelixis INC. 1 $136.78
Ferring Pharmaceuticals INC. 1 $22.06

By nature of payment

Consulting Fee
$62,491
Travel and Lodging
$25,716
Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$1,800
Food and Beverage
$1,564

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
22
Patients
0
Total drug cost
$8,192
Drug Type Claims Patients Total cost
Abiraterone Acetate Generic 22 0 $8,192

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Petros Grivas's medical specialty?
Dr. Petros Grivas practices Medical Oncology Physician in Seattle, WA.
Where does Dr. Petros Grivas practice?
Dr. Petros Grivas practices at 825 Eastlake Ave E, Seattle, WA 981094405. Office phone: 2065205000.
What is Dr. Petros Grivas's NPI?
Dr. Petros Grivas's National Provider Identifier (NPI) is 1740443852, issued by NPPES.
Does Dr. Petros Grivas accept Medicare assignment?
Yes. Dr. Petros Grivas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Petros Grivas commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.