Dr. Gary M. Lopes, MD
- Medicare services, 2024
- 221
- Medicare patients, 2024
- 173
- Part D claims, 2024
- 379
- Hospital affiliations
- 2
- Industry payments
- $891
- Practice address
- 160 Falmouth Rd, Mashpee, MA 02649
- Practice phone
- Call (508) 778-8835
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Medical Affiliates of Cape Cod
Mashpee, Massachusetts
Find Dr. Lopes' 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. Gary M. Lopes is a gastroenterologist in Mashpee, Massachusetts
Dr. Lopes practices at Medical Affiliates of Cape Cod in Mashpee, Massachusetts.
Dr. Lopes' NPI, 1285765149, was assigned on March 9, 2007. Dr. Lopes graduated from Tufts University School of Medicine in 1987. Dr. Lopes holds Massachusetts license 60604.
- NPI
- 1285765149NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911915541
- NPI enumeration date
- March 9, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 778-8835
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gary M. Lopes practices at Medical Affiliates of Cape Cod in Mashpee, Massachusetts
Dr. Lopes' primary practice is Medical Affiliates of Cape Cod, at 160 Falmouth Rd, Mashpee, MA 02649 in Barnstable County. The practice phone is (508) 778-8835.
- Medical Affiliates of Cape Cod160 Falmouth Rd, Mashpee, MA 02649 · Barnstable CountyPhone(508) 778-8835
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gary M. Lopes is affiliated with 6 sites of care and 4 medical groups
Dr. Lopes' primary practice is Medical Affiliates of Cape Cod in Mashpee, Massachusetts. Dr. Lopes is also affiliated with Cape Cod Hospital. The medical group on file is Medical Affiliates of Cape Cod (MACC). Dmand AI also links Dr. Lopes to 1 more hospital, 3 medical groups, 2 group practices and clinics and 1 ambulatory surgery center, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gary M. Lopes' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lopes practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Medical Affiliates of Cape Cod | Available with a free account |
| +5 more sites and 3 medical groups | 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. Gary M. Lopes is one of 597 gastroenterologists in Massachusetts
Gastroenterology is Dr. Lopes' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Lopes is licensed in Massachusetts.
Specialties and state licenses
- Gastroenterology, MassachusettsPrimary
Gastroenterologists near Dr. Lopes
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. Gary M. Lopes billed Medicare for 221 services in 2024
CMS data shows 221 Medicare services from Dr. Lopes across 9 procedure codes in 2024, for 173 Medicare patients. Medicare paid $24,781 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lopes' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 852024: 9512%
- Office and hospital visits
- 2023: 872024: 6822%
- Other services
- 2023: 272024: 58115%
Dr. Lopes compared with the Massachusetts median for gastroenterologists, 2024
- Dr. Lopes
- Massachusetts median
- Medicare services
- 221vs 51957% below
- Medicare patients
- 173vs 34350% below
- Part D claims
- 275vs 3008% below
Medians across 583 gastroenterologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Lopes' most billed Medicare procedure codes, 2024
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. Lopes?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lopes and other gastroenterologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gary M. Lopes treated 173 Medicare patients in 2024, average age 73
CMS counts 173 Medicare patients who saw Dr. Lopes in 2024. The largest group is 65 to 74, with 82 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 1.67, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Lopes' median patient age at 63, with 54% women.
Dr. Lopes' Medicare patients by age, 2024
Dr. Lopes' Medicare patients by sex, 2024
- Women8549%
- Men8851%
Chronic conditions among Dr. Lopes' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis39%
- Anxiety37%
- Diabetes36%
- Chronic kidney disease32%
- Mood disorders31%
- Ischemic heart disease27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lopes' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gary M. Lopes wrote 379 Medicare Part D claims in 2024
In 2024, Dr. Lopes wrote 379 Medicare Part D claims for 241 patients. 75% of them were for generic drugs. CMS names the drug for 275 of them, across 5 drugs with 11 or more claims each, at $17,122 in total drug cost. In 2023, CMS named 237 claims across 5 drugs.
Dr. Lopes' Part D claims by kind of drug, 2024
- Generic286 claims75%
- Brand-name93 claims25%
Dr. Lopes' most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2372024: 27516%
Drugs named by CMS: 5 in 2024, 5 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Gary M. Lopes ranks in the 96th percentile for colonoscopy in Medicare
Dr. Lopes accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 243 procedures of colonoscopy by Dr. Lopes, more than 96% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Lopes ranks in Medicare procedure volume
- Colonoscopy
- 96th percentile243 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 93rd percentile241 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Gary M. Lopes received $891 in industry payments from 2016 to 2025
CMS Open Payments shows 35 general payments to Dr. Lopes from 11 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $362.
General payments to Dr. Lopes by program year, 2016 to 2025
Companies that paid Dr. Lopes the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gary M. Lopes graduated from Tufts University School of Medicine
Dr. Lopes graduated from Tufts University School of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gary M. Lopes'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 DataDmand AI Org Hierarchy 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 |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Gary M. Lopes
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. Gary M. Lopes' NPI number?
Dr. Gary M. Lopes' NPI number is 1285765149. It was assigned on March 9, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary M. Lopes?
Dr. Gary M. Lopes is a gastroenterologist in Mashpee, Massachusetts. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Gary M. Lopes practice?
Dr. Lopes practices at 160 Falmouth Rd, Mashpee, MA 02649. Dr. Lopes' primary practice is Medical Affiliates of Cape Cod in Mashpee, Massachusetts. Dmand AI also links Dr. Lopes to 1 hospital, 3 medical groups, 2 group practices and clinics and 1 ambulatory surgery center.
What is Dr. Gary M. Lopes' office phone number?
The practice phone on file for Dr. Lopes is (508) 778-8835.
What is Dr. Gary M. Lopes' medical license number?
Dr. Lopes holds Massachusetts license 60604.
Which hospitals is Dr. Gary M. Lopes affiliated with?
Dr. Lopes is affiliated with Cape Cod Hospital. Dmand AI links Dr. Lopes to 1 more hospital.
What medical group is Dr. Gary M. Lopes part of?
Dr. Lopes is linked to Medical Affiliates of Cape Cod (MACC). Dmand AI links Dr. Lopes to 3 more medical groups.
Does Dr. Gary M. Lopes accept Medicare?
Yes. CMS data shows Dr. Lopes billed Medicare for 221 services in 2024, and Dr. Lopes accepts Medicare assignment.
How many Medicare patients does Dr. Gary M. Lopes see?
CMS counts 173 Medicare patients who saw Dr. Lopes in 2024, with an average age of 73.
What services does Dr. Gary M. Lopes bill to Medicare?
In 2024, Dr. Lopes' most billed Medicare services were surgery: digestive system (45380), medicare service (G0500) and surgery: digestive system (45385).
Show 4 more questionsShow fewer questions
Where did Dr. Gary M. Lopes go to medical school?
Dr. Lopes graduated from Tufts University School of Medicine in 1987.
What drugs does Dr. Gary M. Lopes prescribe most?
In 2024 Medicare Part D data, Dr. Lopes' most prescribed drugs by claims were Sod Sulf-Potass Sulf-Mag Sulf, Omeprazole and Pantoprazole Sodium.
Has Dr. Gary M. Lopes received payments from drug or device companies?
CMS Open Payments shows $891 in general payments to Dr. Lopes from 11 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Gary M. Lopes been practicing?
Dr. Lopes graduated from medical school in 1987, 39 years ago.
Selling to gastroenterology practices?
See gastroenterologists 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