Doctor profile · Federal record

Dr. Dianna Howard, M.D

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Clackamas, OR

  • NPI 1790171585
  • Accepts Medicare
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
10180 Se Sunnyside RD
Clackamas, OR 970158970
(800) 813-2000
Additional location
3181 Sw Sam Jackson RD
Portland, OR 972393011
(503) 418-0990
fax (503) 494-4982
Mailing address
500 Ne Multnomah St Ste 100
Portland, OR 972322099

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
December 12, 2025
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Oregon #MD197715

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790171585. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
145
Distinct HCPCS
4
Medicare allowed
$3,246
HCPCS Description Services Patients Avg allowed
71046 X-ray of chest, 2 views 52 50 $34
71045 X-ray of chest, 1 view 41 38 $9
71046 X-ray of chest, 2 views 33 32 $11
70450 Ct scan head or brain without contrast 19 18 $40

In context: peer comparison

Among 19 peers in this city , average services per provider: 74. This provider delivers 2.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Dianna Howard's medical specialty?
Dr. Dianna Howard practices Diagnostic Radiology Physician in Clackamas, OR.
Where does Dr. Dianna Howard practice?
Dr. Dianna Howard practices at 10180 Se Sunnyside RD, Clackamas, OR 970158970. Office phone: 8008132000.
What is Dr. Dianna Howard's NPI?
Dr. Dianna Howard's National Provider Identifier (NPI) is 1790171585, issued by NPPES.
Does Dr. Dianna Howard accept Medicare assignment?
Yes. Dr. Dianna Howard accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dianna Howard commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 2 views (HCPCS 71046); X-ray of chest, 1 view (HCPCS 71045); X-ray of chest, 2 views (HCPCS 71046). Source: CMS Medicare Physician & Other Practitioners file.