Doctor profile · Federal record
Dr. Gregory Mack, D.C.
Chiropractor (CMS: Chiropractic) · Shoreline, WA
- NPI 1902353188
- Accepts Medicare
- 10 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
636 Nw Richmond Beach RD
Shoreline, WA 981773122
(206) 542-7571
fax (206) 546-1795
Credentials & registration
- NPI registered
- September 2016 — 10 yrs on file
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 111N00000X — NUCC code
- State license (1)
- Washington #60677546
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1902353188. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
564
Distinct HCPCS
1
Medicare allowed
$24,482
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
98941 |
Chiropractic manipulative treatment, 3-4 spinal regions | 564 | 52 | $43 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 254. This provider delivers 2.2× the peer median.Frequently asked questions
What is Dr. Gregory Mack's medical specialty?
Dr. Gregory Mack practices Chiropractor in Shoreline, WA.
Where does Dr. Gregory Mack practice?
Dr. Gregory Mack practices at 636 Nw Richmond Beach RD, Shoreline, WA 981773122. Office phone: 2065427571.
What is Dr. Gregory Mack's NPI?
Dr. Gregory Mack's National Provider Identifier (NPI) is 1902353188, issued by NPPES.
Does Dr. Gregory Mack accept Medicare assignment?
Yes. Dr. Gregory Mack accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Mack commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.