Doctor profile · Federal record

Dr. McKenzie Gassner, PA-C

Surgical Physician Assistant (CMS: Physician Assistant) · Physician Assistant · Portland, OR

  • NPI 1093279507
  • Accepts Medicare
  • MIPS 90.5 / 100 · 2023
  • 8 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
10000 Se Main St Ste 260
Portland, OR 972162448
(503) 346-1500
fax (503) 346-1501
Additional location
1493 Cambridge St
Cambridge, MA 021391047
(541) 771-9059
Additional location
5 Island Hill Ave Apt 203
Malden, MA 021482647
(541) 771-9059
Mailing address
1400 Sw 5Th Ave Ste 500
Portland, OR 972015537

Credentials & registration

NPPES · NUCC
NPI registered
January 2019 — 7 yrs on file
Profile last updated
June 6, 2023
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363AS0400X — NUCC code
State licenses (2)
Oregon #PA213830 · Massachusetts #PA6840

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093279507. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
42
Distinct HCPCS
2
Medicare allowed
$4,382
HCPCS Description Services Patients Avg allowed
99204 New patient office or other outpatient visit, 45-59 minutes 25 25 $114
99214 Established patient office or other outpatient visit, 30-39 minutes 17 17 $90

In context: peer comparison

Among 45 peers in this city , average services per provider: 40. This provider delivers 1.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
126
Patients
61
Total drug cost
$20,038
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 43 27 $708
Myrbetriq (Mirabegron) Brand 38 16 $17,640
Finasteride Generic 34 18 $565
Estradiol Generic 11 0 $1,125

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. McKenzie Gassner's medical specialty?
Dr. McKenzie Gassner practices Surgical Physician Assistant in Portland, OR.
Where does Dr. McKenzie Gassner practice?
Dr. McKenzie Gassner practices at 10000 Se Main St Ste 260, Portland, OR 972162448. Office phone: 5033461500.
What is Dr. McKenzie Gassner's NPI?
Dr. McKenzie Gassner's National Provider Identifier (NPI) is 1093279507, issued by NPPES.
Does Dr. McKenzie Gassner accept Medicare assignment?
Yes. Dr. McKenzie Gassner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. McKenzie Gassner commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.