Doctor profile · Federal record

Dr. Michael Silvas, MD

Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Portland, OR

  • NPI 1568999183
  • Accepts Medicare
  • MIPS 87.8 / 100 · 2023
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9205 Sw Barnes RD
Portland, OR 972256603
(503) 216-2906
Mailing address
Po Box 3158
Portland, OR 972083158

Credentials & registration

NPPES · NUCC
NPI registered
May 2017 — 9 yrs on file
Profile last updated
March 25, 2021
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Oregon #MD201486 · Oregon #PG183655

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568999183. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
317
Distinct HCPCS
4
Medicare allowed
$39,562
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 188 82 $121
99239 Hospital discharge day management, more than 30 minutes 58 58 $116
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 46 46 $176
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 25 15 $80

In context: peer comparison

Among 209 peers in Portland Internal Medicine Physician, average services per provider: 60. This provider delivers 5.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
106
Patients
46
Total drug cost
$9,350
Drug Type Claims Patients Total cost
Furosemide Generic 21 18 $89
Metoprolol Succinate Generic 21 15 $210
Eliquis (Apixaban) Brand 15 0 $8,597
Tamsulosin Hcl Generic 14 0 $210
Oxycodone Hcl Generic 13 13 $65
Atorvastatin Calcium Generic 11 0 $112
Spironolactone Generic 11 0 $68

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Silvas's medical specialty?
Dr. Michael Silvas practices Internal Medicine Physician in Portland, OR.
Where does Dr. Michael Silvas practice?
Dr. Michael Silvas practices at 9205 Sw Barnes RD, Portland, OR 972256603. Office phone: 5032162906.
What is Dr. Michael Silvas's NPI?
Dr. Michael Silvas's National Provider Identifier (NPI) is 1568999183, issued by NPPES.
Does Dr. Michael Silvas accept Medicare assignment?
Yes. Dr. Michael Silvas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Silvas 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); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.