Doctor profile · Federal record

Dr. Katherine Nall Birrer, PA-S

Physician Assistant · Spokane, WA

  • NPI 1003292368
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
212 E Central Ave Ste 245
Spokane, WA 992086289
(509) 824-1686
Mailing address
Po Box 421
Liberty Lake, WA 990190421

Credentials & registration

NPPES · NUCC
NPI registered
August 2015 — 11 yrs on file
Profile last updated
March 24, 2023
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Washington #PA60739072

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003292368. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
44
Distinct HCPCS
2
Medicare allowed
$6,121
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 31 30 $152
99214 Established patient office or other outpatient visit, 30-39 minutes 13 12 $109

In context: peer comparison

Among 77 peers in Spokane Physician Assistant, average services per provider: 94. This provider delivers 0.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$122
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 1 $84.99
Pfizer INC. 1 $21.96
Phathom Pharmaceuticals, INC. 1 $15.00

By nature of payment

Education
$85
Food and Beverage
$37

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
690
Patients
460
Total drug cost
$32,390
Drug Type Claims Patients Total cost
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 173 171 $4,614
Omeprazole Generic 108 56 $1,690
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 77 76 $1,401
Pantoprazole Sodium Generic 44 25 $591
Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 43 43 $914
Lisinopril Generic 39 15 $253
Gabapentin Generic 34 13 $693
Levothyroxine Sodium Generic 29 15 $414
Atorvastatin Calcium Generic 28 13 $231
Famotidine Generic 23 11 $225

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Nall Birrer's medical specialty?
Dr. Katherine Nall Birrer practices Physician Assistant in Spokane, WA.
Where does Dr. Katherine Nall Birrer practice?
Dr. Katherine Nall Birrer practices at 212 E Central Ave Ste 245, Spokane, WA 992086289. Office phone: 5098241686.
What is Dr. Katherine Nall Birrer's NPI?
Dr. Katherine Nall Birrer's National Provider Identifier (NPI) is 1003292368, issued by NPPES.
Does Dr. Katherine Nall Birrer accept Medicare assignment?
Yes. Dr. Katherine Nall Birrer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Nall Birrer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.