Dr. Gregory Johnson, MD
- Industry payments
- $50
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 275 Grove St, Auburndale, MA 02466
- Practice phone
- Call (617) 421-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Atrius Health, Inc.
Auburndale, Massachusetts
Find Dr. Johnson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gregory Johnson is an orthopedic surgeon in Auburndale, Massachusetts
Dr. Johnson practices at Atrius Health, Inc. in Auburndale, Massachusetts.
Dr. Johnson's NPI, 1366422677, was assigned on January 20, 2006. Dr. Johnson holds Massachusetts license 40750.
- NPI
- 1366422677NPI Registry (opens in a new tab)
- NPI enumeration date
- January 20, 2006
- NPI status
- Active
- Practice phone
- (617) 421-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Gregory Johnson practices at Atrius Health, Inc. in Auburndale, Massachusetts
Dr. Johnson's primary practice is Atrius Health, Inc., at 275 Grove St, Auburndale, MA 02466 in Middlesex County. The practice phone is (617) 421-1000.
- Atrius Health, Inc.275 Grove St, Auburndale, MA 02466 · Middlesex CountyPhone(617) 421-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gregory Johnson is affiliated with 3 sites of care and 1 medical group
Dr. Johnson's primary practice is Atrius Health, Inc. in Auburndale, Massachusetts. The medical group on file is Atrius Health. Dmand AI also links Dr. Johnson to 1 more physician office and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gregory Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Atrius Health, Inc. | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gregory Johnson is one of 593 orthopedic surgeons in Massachusetts
Orthopaedic surgery is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Johnson is licensed in Massachusetts.
Specialties and state licenses
- Orthopaedic surgery, MassachusettsPrimary
Orthopedic surgeons near Dr. Johnson
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory Johnson's patients have a median age of 55
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 55, with 70% women.
Dr. Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women70%
- Men30%
Source: Dmand AI Patient Panel Data
Dr. Gregory Johnson received $50 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Johnson from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $50.
Companies that paid Dr. Johnson the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gregory Johnson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory Johnson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gregory Johnson's NPI number?
Dr. Gregory Johnson's NPI number is 1366422677. It was assigned on January 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Johnson?
Dr. Gregory Johnson is an orthopedic surgeon in Auburndale, Massachusetts. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Gregory Johnson practice?
Dr. Johnson practices at 275 Grove St, Auburndale, MA 02466. Dr. Johnson's primary practice is Atrius Health, Inc. in Auburndale, Massachusetts. Dmand AI also links Dr. Johnson to 1 physician office and 1 group practice or clinic.
What is Dr. Gregory Johnson's office phone number?
The practice phone on file for Dr. Johnson is (617) 421-1000.
What is Dr. Gregory Johnson's medical license number?
Dr. Johnson holds Massachusetts license 40750.
What medical group is Dr. Gregory Johnson part of?
Dr. Johnson is linked to Atrius Health.
Has Dr. Gregory Johnson received payments from drug or device companies?
CMS Open Payments shows $50 in general payments to Dr. Johnson from 1 company from 2019 to 2019. The largest total came from Stryker Corporation.
How long has Dr. Gregory Johnson been practicing?
Dr. Johnson's NPI was assigned in 2006.
Selling to orthopaedic surgery practices?
See orthopedic surgeons in Massachusetts by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card