Doctor profile · Federal record

Dr. Nina O'Mailia, PA-C

Physician Assistant · Physician Assistant · West Linn, OR

  • NPI 1316116684
  • Accepts Medicare
  • MIPS 85.3 / 100 · 2023
  • 19 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
21900 Willamette Dr Ste 209
West Linn, OR 970683284
(971) 274-0038
fax (971) 202-2099
Mailing address
11507 Se Flavel St
Portland, OR 972665985

Credentials & registration

NPPES · NUCC
NPI registered
February 2008 — 18 yrs on file
Profile last updated
April 25, 2023
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Oregon #PA152466
Medicaid (2)
WA #8508384 · OR #500604590

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316116684. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
197
Distinct HCPCS
5
Medicare allowed
$14,750
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 85 73 $78
99214 Established patient office or other outpatient visit, 30-39 minutes 52 43 $111
99203 New patient office or other outpatient visit, 30-44 minutes 22 22 $97
36415 Insertion of needle into vein for collection of blood sample 19 19 $7
81003 Automated urinalysis test 19 19 $2

In context: peer comparison

Among 2 peers in West Linn Physician Assistant, average services per provider: 124. This provider delivers 1.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
836
Patients
292
Total drug cost
$14,670
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 132 53 $2,196
Levothyroxine Sodium Generic 87 27 $1,427
Lisinopril Generic 69 32 $651
Metoprolol Succinate Generic 66 25 $1,110
Omeprazole Generic 62 22 $1,216
Amlodipine Besylate Generic 55 24 $319
Losartan Potassium Generic 55 21 $523
Gabapentin Generic 47 19 $1,504
Losartan-Hydrochlorothiazide (Losartan/Hydrochlorothiazide) Brand 45 18 $1,263
Metformin Hcl Generic 43 17 $452

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nina O'Mailia's medical specialty?
Dr. Nina O'Mailia practices Physician Assistant in West Linn, OR.
Where does Dr. Nina O'Mailia practice?
Dr. Nina O'Mailia practices at 21900 Willamette Dr Ste 209, West Linn, OR 970683284. Office phone: 9712740038.
What is Dr. Nina O'Mailia's NPI?
Dr. Nina O'Mailia's National Provider Identifier (NPI) is 1316116684, issued by NPPES.
Does Dr. Nina O'Mailia accept Medicare assignment?
Yes. Dr. Nina O'Mailia accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nina O'Mailia 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); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.