Doctor profile · Federal record

Dr. Gregory Spain, PA-C

Physician Assistant · Seattle, WA

  • NPI 1720346463
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
825 Eastlake Ave E
Seattle, WA 981094405
(206) 520-5000
Additional location
301 E Jackson St
Dillon, SC 295362509
(843) 774-4111
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
May 2012 — 14 yrs on file
Profile last updated
September 13, 2022
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Washington #PA60546524
Medicaid
WA #1720346463

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720346463. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
22
Distinct HCPCS
2
Medicare allowed
$2,387
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 11 11 $88
99215 Established patient office or other outpatient visit, 40-54 minutes 11 11 $129

In context: peer comparison

Among 177 peers in Seattle Physician Assistant, average services per provider: 71. This provider delivers 0.3× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Spain's medical specialty?
Dr. Gregory Spain practices Physician Assistant in Seattle, WA.
Where does Dr. Gregory Spain practice?
Dr. Gregory Spain practices at 825 Eastlake Ave E, Seattle, WA 981094405. Office phone: 2065205000.
What is Dr. Gregory Spain's NPI?
Dr. Gregory Spain's National Provider Identifier (NPI) is 1720346463, issued by NPPES.
Does Dr. Gregory Spain accept Medicare assignment?
Yes. Dr. Gregory Spain accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Spain commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.