Doctor profile · Federal record

Dr. Douglas Shannon, PA-C

Medical Physician Assistant · Seattle, WA

  • NPI 1629527445
  • 10 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
201 16Th Ave E
Seattle, WA 981125226
(206) 326-3000

Credentials & registration

NPPES · NUCC
NPI registered
September 2016 — 10 yrs on file
Profile last updated
May 5, 2021
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Washington #PA.PA.60694031

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629527445. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
763
Distinct HCPCS
7
Medicare allowed
$70,637
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 223 213 $100
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 128 123 $7
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 127 123 $144
99285 Emergency department visit with high level of medical decision making 114 113 $145
93042 Electrocardiogram (ecg) 1 to 3 leads with review by physician only 81 79 $6
99291 Critical care, first 30-74 minutes 59 57 $176
99283 Emergency department visit with low level of medical decision making 31 31 $59

In context: peer comparison

Among 31 peers in Seattle Medical Physician Assistant, average services per provider: 88. This provider delivers 8.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
395
Patients
373
Total drug cost
$2,893
Drug Type Claims Patients Total cost
Cephalexin Generic 100 97 $984
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 63 63 $272
Prednisone Generic 54 51 $112
Methocarbamol Generic 43 43 $180
Ondansetron Odt (Ondansetron) Brand 41 38 $527
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 26 26 $168
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 24 23 $236
Azithromycin Generic 21 21 $134
Clindamycin Hcl Generic 12 11 $133
Doxycycline Hyclate Generic 11 0 $145

Frequently asked questions

Auto-generated from federal data
What is Dr. Douglas Shannon's medical specialty?
Dr. Douglas Shannon practices Medical Physician Assistant in Seattle, WA.
Where does Dr. Douglas Shannon practice?
Dr. Douglas Shannon practices at 201 16Th Ave E, Seattle, WA 981125226. Office phone: 2063263000.
What is Dr. Douglas Shannon's NPI?
Dr. Douglas Shannon's National Provider Identifier (NPI) is 1629527445, issued by NPPES.
What procedures does Dr. Douglas Shannon commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.