Dr. John Cassidy Duffy
D.C. | Chiropractor | 34+ years Exp
Medicare Enrolled
136 Bacon St, Waltham
Massachusetts, 02451-0797
781-894-4270 Maps & Directions is a Waltham, Massachusetts based chiropractor with
34 years of experience in
General Chiropractic. He completed his graduation from
Life Chiropractic College in 1991. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. John Cassidy Duffy as General Chiropractic is
1644 in Massachusetts.
Dr. John Cassidy Duffy is qualified as a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
Complete Profile:
Dr. John Cassidy Duffy speciality, credentials, practice address, contact phone number and fax are as below.
Patients can directly walk in or can call on the below given phone number for appointment.
| Specialization: | General Chiropractic |
| Credentials: | D.C. |
| Experience: | 34+ years |
| Medical School Attended: | Life Chiropractic College |
| Graduation Year: | 1991 |
| Gender: | Male |
| Accepts Medicare Assignment: | Yes |
| Practice Address: | 136 Bacon St, Waltham,
Massachusetts, 02451-0797 |
| Phone: | 781-894-4270 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| PAC ID: | 6305919135 |
| Enrollment ID: | I20080726000029 |
| NPI Number: | 1942481627 |
| NPI Enumeration Date: | 21 Nov, 2007 |
| NPI Last Update On: | 25 Jul, 2023 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. John Cassidy Duffy are as mentioned below.
| License Number | Specialization | State | Status | |
| 1644 | Chiropractor | Massachusetts | Primary | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 136 Bacon St,
Waltham, Massachusetts |
| Zip: | 02451-0797 |
| Phone Number: | 781-894-4270 |
| Fax Number: | -- |
Patients can reach Dr. John Cassidy Duffy at
136 Bacon St, Waltham, Massachusetts or can
call to book an appointment on 781-894-4270.
Comments/ Reviews:
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** Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 13 October, 2025.