Gregory Atticus Mack, D.C.
Chiropractor · Shoreline, WA
Gregory Atticus Mack, D.C. is a chiropractor with a practice address in Shoreline, Washington, and NPI 1902353188, issued on Sep 6, 2016. Check the license (Washington 60677546, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Atticus Mack
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- 60677546 WA
Self-reported in NPPES; status is on the state search - Practice location
- 636 NW Richmond Beach RD, Shoreline, WA 98177
- Phone
- (206) 542-7571
- Enumerated
- Sep 6, 2016
- Record last updated
- Sep 6, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (206) 546-1795
- Medicare enrollment
- Enrolled (PECOS I20161005002395); accepts Medicare assignment
- Medical or professional school
- Life Chiropractic College - West, 2016
- Entity
- Type 1 · individual
Also registered at 636 NW Richmond Beach RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paul Mack, DCNutrition Chiropractor1689798886
Verify Gregory Atticus Mack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license 60677546Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Paul A Mack DC PS IncShoreline, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
19 chiropractor records list a practice address in Shoreline
They are 19 of the 1,234 NPPES records with a practice address in Shoreline, and 3,006 chiropractor records in Washington.
All 19 in Shoreline → All 3,006 in Washington → Every provider in Shoreline →
Other chiropractor records in Washington
- Joy Aardappel, DCBurien, WA1396902508
- Joseph Aaron, DCRenton, WA1053395590
- Luke Abdelnoor, DCVancouver, WA1104655497
- Jason Ablett, DCKirkland, WA1285713339
- Wayne Abney, D.C.Shoreline, WA1154522894
- Jeffery Abrams, D.C.Seattle, WA1427162940
- Chad Abramson, D.C.Everett, WA1720157399
- Cole Adams, DCSilverdale, WA1790132769
- Kristina Adams, DCSequim, WA1609501170
- Kurt Adams, DCSilverdale, WA1023198538
Common questions
What is Gregory Atticus Mack, D.C.'s NPI number?
Gregory Atticus Mack, D.C.'s National Provider Identifier (NPI) is 1902353188, issued on Sep 6, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Atticus Mack, D.C. located?
The NPPES record lists a practice address at 636 NW Richmond Beach RD, Shoreline, WA, 98177. Phone: (206) 542-7571. Providers update this record themselves, so call before visiting.
How can I verify Gregory Atticus Mack, D.C.'s license?
NPPES lists Washington license number 60677546, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.