Doctor profile · Federal record

Dr. Prasanna Krishnasamy, M.D., MPH

Internal Medicine Physician (CMS: Internal Medicine) · Portland, OR

  • NPI 1578762035
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2800 N Vancouver Ave, Suite 230 (Legacy Medical Group - Emanuel)
Portland, OR 972271630
(503) 413-4340
fax (503) 413-4898

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
October 31, 2011
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Oregon #MD125896

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578762035. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
166
Distinct HCPCS
2
Medicare allowed
$12,120
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 83 72 $66
99214 Established patient office or other outpatient visit, 30-39 minutes 83 45 $80

In context: peer comparison

Among 209 peers in Portland Internal Medicine Physician, average services per provider: 60. This provider delivers 2.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,366
Patients
338
Total drug cost
$21,997
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 180 58 $2,714
Amlodipine Besylate Generic 166 43 $1,257
Losartan Potassium Generic 131 30 $1,854
Pravastatin Sodium Generic 128 36 $2,859
Lisinopril Generic 118 31 $1,100
Hydrochlorothiazide Generic 91 23 $575
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 86 25 $2,876
Oxycodone Hcl Generic 81 20 $1,367
Carvedilol Generic 77 14 $775
Gabapentin Generic 56 19 $2,655

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Prasanna Krishnasamy's medical specialty?
Dr. Prasanna Krishnasamy practices Internal Medicine Physician in Portland, OR.
Where does Dr. Prasanna Krishnasamy practice?
Dr. Prasanna Krishnasamy practices at 2800 N Vancouver Ave, Portland, OR 972271630. Office phone: 5034134340.
What is Dr. Prasanna Krishnasamy's NPI?
Dr. Prasanna Krishnasamy's National Provider Identifier (NPI) is 1578762035, issued by NPPES.
Does Dr. Prasanna Krishnasamy accept Medicare assignment?
Yes. Dr. Prasanna Krishnasamy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Prasanna Krishnasamy 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 99214). Source: CMS Medicare Physician & Other Practitioners file.