Doctor profile · Federal record

Dr. Michael Patterson, PAC

Physician Assistant · Chewelah, WA

  • NPI 1639298268
  • Accepts Medicare
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
500 W Webster
Chewelah, WA 99109
(509) 935-8211
Mailing address
Po Box 960
Chewelah, WA 991090960

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
February 3, 2015
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Washington #PA10003228

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639298268. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
300
Distinct HCPCS
5
Medicare allowed
$22,920
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 175 166 $75
99203 New patient office or other outpatient visit, 30-44 minutes 40 40 $95
87636 Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19) and influenza virus types a and b 39 39 $136
81003 Automated urinalysis test 35 34 $2
99212 Established patient office or other outpatient visit, 10-19 minutes 11 11 $48

In context: peer comparison

Among 1 peers in this city , average services per provider: 60. This provider delivers 5.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
311
Patients
304
Total drug cost
$3,643
Drug Type Claims Patients Total cost
Prednisone Generic 82 79 $321
Azithromycin Generic 68 67 $346
Cefuroxime (Cefuroxime Axetil) Brand 50 49 $915
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 35 33 $555
Methylprednisolone Generic 18 18 $204
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 17 17 $159
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 16 16 $363
Amoxicillin Generic 14 14 $76
Tobramycin-Dexamethasone (Tobramycin/Dexamethasone) Brand 11 11 $705

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Patterson's medical specialty?
Dr. Michael Patterson practices Physician Assistant in Chewelah, WA.
Where does Dr. Michael Patterson practice?
Dr. Michael Patterson practices at 500 W Webster, Chewelah, WA 99109. Office phone: 5099358211.
What is Dr. Michael Patterson's NPI?
Dr. Michael Patterson's National Provider Identifier (NPI) is 1639298268, issued by NPPES.
Does Dr. Michael Patterson accept Medicare assignment?
Yes. Dr. Michael Patterson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Patterson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19) and influenza virus types a and b (HCPCS 87636). Source: CMS Medicare Physician & Other Practitioners file.