Dr. Richard Charles Gardner, MD
- Medicare services, 2019
- 31
- Part D claims, 2018
- 50
- Industry payments
- $113
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 77 Mass Ave, Cambridge, MA 02139-4301
- Practice phone
- Call (617) 253-1681
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Gardner'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. Richard Charles Gardner is a gastroenterologist in Cambridge, Massachusetts
Dr. Gardner practices in Cambridge, Massachusetts.
Dr. Gardner's NPI, 1851381420, was assigned on October 25, 2005. Dr. Gardner holds Massachusetts license 29590.
- NPI
- 1851381420NPI Registry (opens in a new tab)
- NPI enumeration date
- October 25, 2005
- NPI status
- Active
- Practice phone
- (617) 253-1681
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Richard Charles Gardner's practice address is in Cambridge, Massachusetts
Dr. Gardner's practice address in the NPI Registry is 77 Mass Ave, Cambridge, MA 02139-4301. The practice phone is (617) 253-1681.
- NPI Registry address77 Mass Ave, Cambridge, MA 02139-4301Phone(617) 253-1681
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Richard Charles Gardner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gardner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Gardner's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Richard Charles Gardner is one of 597 gastroenterologists in Massachusetts
Gastroenterology is Dr. Gardner's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Gardner is licensed in Massachusetts.
Specialties and state licenses
- Gastroenterology, MassachusettsPrimary
Gastroenterologists near Dr. Gardner
Counts of gastroenterologists 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. Richard Charles Gardner billed Medicare for 31 services in 2019
CMS data shows 31 Medicare services from Dr. Gardner across 1 procedure code in 2019, all of them office visits. Medicare paid $1,651 for them. Every service was in an office.
Dr. Gardner's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 452019: 3131%
Dr. Gardner compared with the Massachusetts median for gastroenterologists, 2019
- Dr. Gardner
- Massachusetts median
- Medicare services
- 31vs 51994% below
- Part D claims
- 50vs 30083% below
Medians across 583 gastroenterologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Gardner's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Gardner?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gardner and other gastroenterologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Richard Charles Gardner wrote 50 Medicare Part D claims in 2018
In 2018, Dr. Gardner wrote 50 Medicare Part D claims. They cover 2 drugs, with $2,080 in total drug cost. In 2017, CMS named 24 claims across 1 drug.
Dr. Gardner's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 242018: 50108%
Drugs named by CMS: 2 in 2018, 1 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Richard Charles Gardner received $113 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Gardner from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Inspire Medical Systems, Inc. paid the most, $113.
Companies that paid Dr. Gardner the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Richard Charles Gardner'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 |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| 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. Richard Charles Gardner
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. Richard Charles Gardner's NPI number?
Dr. Richard Charles Gardner's NPI number is 1851381420. It was assigned on October 25, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Richard Charles Gardner?
Dr. Richard Charles Gardner is a gastroenterologist in Cambridge, Massachusetts. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Richard Charles Gardner practice?
Dr. Gardner practices at 77 Mass Ave, Cambridge, MA 02139-4301.
What is Dr. Richard Charles Gardner's office phone number?
The practice phone on file for Dr. Gardner is (617) 253-1681.
What is Dr. Richard Charles Gardner's medical license number?
Dr. Gardner holds Massachusetts license 29590.
Does Dr. Richard Charles Gardner accept Medicare?
Yes. CMS data shows Dr. Gardner billed Medicare for 31 services in 2019.
What services does Dr. Richard Charles Gardner bill to Medicare?
In 2019, Dr. Gardner's most billed Medicare services were office visit, established patient (99213).
What drugs does Dr. Richard Charles Gardner prescribe most?
In 2018 Medicare Part D data, Dr. Gardner's most prescribed drugs by claims were Suprep and Omeprazole.
Has Dr. Richard Charles Gardner received payments from drug or device companies?
CMS Open Payments shows $113 in general payments to Dr. Gardner from 1 company from 2025 to 2025. The largest total came from Inspire Medical Systems, Inc.
How long has Dr. Richard Charles Gardner been practicing?
Dr. Gardner's NPI was assigned in 2005.
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