Dr. Diana M. Lopez, MD
- Medicare services, 2024
- 1,952
- Medicare patients, 2024
- 1,370
- Part D claims, 2024
- 705
- Hospital affiliations
- 5
- Industry payments
- $316
- Practice address
- 75 Francis Street, Boston, MA 02115
- Practice phone
- Call (617) 732-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lopez'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. Diana M. Lopez is a cardiologist in Boston, Massachusetts
Dr. Lopez practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Lopez's NPI, 1659720274, was assigned on June 4, 2016. Dr. Lopez graduated from Harvard Medical School in 2016. Dr. Lopez holds Massachusetts license 290307.
- NPI
- 1659720274NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193019206
- NPI enumeration date
- June 4, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 732-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Diana M. Lopez practices at Brigham and Women's Hospital in Boston, Massachusetts
Dr. Lopez's primary practice is Brigham and Women's Hospital, at 75 Francis Street, Boston, MA 02115 in Suffolk County. The practice phone is (617) 732-5500.
- Brigham and Women's Hospital75 Francis Street, Boston, MA 02115 · Suffolk CountyPhone(617) 732-5500
Source: Dmand AI Affiliation Data
Dr. Diana M. Lopez is affiliated with 6 sites of care and 3 medical groups
Dr. Lopez's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Lopez is also affiliated with Dana-Farber Cancer Institute. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Dr. Lopez to 3 more hospitals, 2 medical groups and 1 hospital outpatient department, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Diana M. Lopez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lopez practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brigham and Women's Hospital | Available with a free account |
| +5 more sites and 2 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 Mass General Brigham and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Diana M. Lopez is one of 840 cardiologists in Massachusetts
Cardiovascular disease is Dr. Lopez's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Lopez is licensed in Massachusetts.
Specialties and state licenses
- Cardiovascular disease, MassachusettsPrimary
Cardiologists near Dr. Lopez
Counts of cardiologists 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. Diana M. Lopez billed Medicare for 1,952 services in 2024
CMS data shows 1,952 Medicare services from Dr. Lopez across 12 procedure codes in 2024, for 1,370 Medicare patients. Medicare paid $48,213 for them.
Dr. Lopez's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 6462024: 1,709165%
- Office and hospital visits
- 2023: 942024: 243159%
Where Dr. Lopez's Medicare services took place, 2024
- In an office28114%
- In a facility1,67186%
Dr. Lopez compared with the Massachusetts median for cardiologists, 2024
- Dr. Lopez
- Massachusetts median
- Medicare services
- 1,952vs 1,61221% above
- Medicare patients
- 1,370vs 95643% above
- Part D claims
- 575vs 84632% below
Medians across 817 cardiologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Lopez's 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. Lopez?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lopez and other cardiologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Diana M. Lopez treated 1,370 Medicare patients in 2024, average age 74
CMS counts 1,370 Medicare patients who saw Dr. Lopez in 2024. The largest group is 75 to 84, with 540 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 2.33, 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. Lopez's median patient age at 70, with 47% women.
Dr. Lopez's Medicare patients by age, 2024
Dr. Lopez's Medicare patients by sex, 2024
- Women68450%
- Men68650%
Chronic conditions among Dr. Lopez's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease55%
- Arthritis50%
- Atrial fibrillation48%
- Heart failure47%
- Chronic kidney disease43%
- Anxiety41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lopez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Diana M. Lopez wrote 705 Medicare Part D claims in 2024
In 2024, Dr. Lopez wrote 705 Medicare Part D claims for 153 patients. 83% of them were for generic drugs. CMS names the drug for 575 of them, across 18 drugs with 11 or more claims each, at $138,730 in total drug cost. In 2023, CMS named 294 claims across 11 drugs.
Dr. Lopez's Part D claims by kind of drug, 2024
- Generic584 claims83%
- Brand-name and other121 claims17%
Dr. Lopez's 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: 2942024: 57596%
Drugs named by CMS: 18 in 2024, 11 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. Diana M. Lopez offers telehealth to Medicare patients
Dr. Lopez accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lopez as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (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. Diana M. Lopez received $316 in industry payments from 2021 to 2025
CMS Open Payments shows 5 general payments to Dr. Lopez from 4 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $127.
General payments to Dr. Lopez by program year, 2021 to 2025
Companies that paid Dr. Lopez the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Diana M. Lopez graduated from Harvard Medical School
Dr. Lopez graduated from Harvard Medical School in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Diana M. Lopez'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| 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. Diana M. Lopez
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. Diana M. Lopez's NPI number?
Dr. Diana M. Lopez's NPI number is 1659720274. It was assigned on June 4, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Diana M. Lopez?
Dr. Diana M. Lopez is a cardiologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Diana M. Lopez practice?
Dr. Lopez practices at 75 Francis Street, Boston, MA 02115. Dr. Lopez's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Lopez to 3 hospitals, 2 medical groups and 1 hospital outpatient department.
What is Dr. Diana M. Lopez's office phone number?
The practice phone on file for Dr. Lopez is (617) 732-5500.
What is Dr. Diana M. Lopez's medical license number?
Dr. Lopez holds Massachusetts license 290307.
Which hospitals is Dr. Diana M. Lopez affiliated with?
Dr. Lopez practices at Brigham and Women's Hospital in Boston, Massachusetts. Dr. Lopez is also affiliated with Dana-Farber Cancer Institute. Dmand AI links Dr. Lopez to 3 more hospitals.
What medical group is Dr. Diana M. Lopez part of?
Dr. Lopez is linked to Brigham and Women's Hospital. Dmand AI links Dr. Lopez to 2 more medical groups.
Does Dr. Diana M. Lopez accept Medicare?
Yes. CMS data shows Dr. Lopez billed Medicare for 1,952 services in 2024, and Dr. Lopez accepts Medicare assignment.
Does Dr. Diana M. Lopez offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lopez as offering telehealth services.
How many Medicare patients does Dr. Diana M. Lopez see?
CMS counts 1,370 Medicare patients who saw Dr. Lopez in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Diana M. Lopez bill to Medicare?
In 2024, Dr. Lopez's most billed Medicare services were heart test or procedure (93010), heart test or procedure (93306) and hospital inpatient care (99232).
Where did Dr. Diana M. Lopez go to medical school?
Dr. Lopez graduated from Harvard Medical School in 2016.
What drugs does Dr. Diana M. Lopez prescribe most?
In 2024 Medicare Part D data, Dr. Lopez's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Succinate and Rosuvastatin Calcium.
Has Dr. Diana M. Lopez received payments from drug or device companies?
CMS Open Payments shows $316 in general payments to Dr. Lopez from 4 companies from 2021 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Diana M. Lopez been practicing?
Dr. Lopez graduated from medical school in 2016, 10 years ago.
Selling to cardiovascular disease practices?
See cardiologists 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