Ryan Drizen, DC
Chiropractor · Stow, MA
Ryan Drizen, DC is a chiropractor with a practice address in Stow, Massachusetts, and NPI 1184485237, issued on Jan 17, 2024. Check the license (Massachusetts CHI3849, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ryan Drizen
- Credential
- DC
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- CHI3849 MA
Self-reported in NPPES; status is on the state search - Practice location
- 118 Great RD, Stow, MA 01775
- Phone
- (978) 897-1770
- Enumerated
- Jan 17, 2024
- Record last updated
- Nov 6, 2025
- Fax
- (978) 897-1715
- Medicare enrollment
- Enrolled (PECOS I20240206002699); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 118 Great RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Olivia BernasOccupational Therapist1295686939
- Meredith BianchiOccupational Therapist1568217768
- Amanda CiullaSpeech-Language Pathologist1780528083
- Margaret Klepacz, DDSGeneral Practice Dentistry1073572517
- Molly LahiffSpeech-Language Pathologist1194498865
- Todd Whittemore, D.C.Chiropractor1447304225
Verify Ryan Drizen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license CHI3849Check 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 2 group practices
- Bay State Physical Therapy OF Randolph IncQuincy, MA
- The Whittemore Group, Inc.Stow, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
2 chiropractor records list a practice address in Stow
They are 2 of the 59 NPPES records with a practice address in Stow, and 1,577 chiropractor records in Massachusetts.
All 2 in Stow → All 1,577 in Massachusetts → Every provider in Stow →
Other chiropractor records in Massachusetts
- Ibrahim Abdulmassih, D.C.Worcester, MA1740329317
- Susan Aberle, D.C.Falmouth, MA1548453475
- Michael Abgrab, D.C.Fall River, MA1184773814
- Marty Abrams, MA, DCSharon, MA1356343305
- Joan Accuosti, D.C.Pittsfield, MA1144292509
- Erin Acevedo, D.C.Beverly, MA1780741769
- Elisa Adams, D.C.Lexington, MA1194887794
- James Adams, D.C.Plymouth, MA1598978777
- Jeffrey Adams, D.C.Marshfield, MA1386764041
- Lauren Adelizi, DCWellesley, MA1255510384
Common questions
What is Ryan Drizen, DC's NPI number?
Ryan Drizen, DC's National Provider Identifier (NPI) is 1184485237, issued on Jan 17, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Drizen, DC located?
The NPPES record lists a practice address at 118 Great RD, Stow, MA, 01775. Phone: (978) 897-1770. Providers update this record themselves, so call before visiting.
How can I verify Ryan Drizen, DC's license?
NPPES lists Massachusetts license number CHI3849, as entered by the provider. Search the Massachusetts 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.