Dr. Martha Carolina Lopez Siles, MD
- Medicare services, 2024
- 144
- Medicare patients, 2024
- 81
- Part D claims, 2024
- 399
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 4755 Ogletown Stanton Rd, Newark, DE 19713
- Practice phone
- Call (302) 733-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Christiana Care Hospital
Newark, Delaware
Find Dr. Lopez Siles' professional email, personal email and mobile number
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Dr. Martha Carolina Lopez Siles is an internist in Newark, Delaware
Dr. Lopez Siles practices at Christiana Care Hospital in Newark, Delaware.
Dr. Lopez Siles' NPI, 1548847965, was assigned on March 24, 2021. Dr. Lopez Siles holds Delaware license C1-0027064.
- NPI
- 1548847965NPI Registry (opens in a new tab)
- NPI enumeration date
- March 24, 2021
- NPI status
- Active
- Practice phone
- (302) 733-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Martha Carolina Lopez Siles practices at Christiana Care Hospital in Newark, Delaware
Dr. Lopez Siles' primary practice is Christiana Care Hospital, at 4755 Ogletown Stanton Rd, Newark, DE 19713 in New Castle County. The practice phone is (302) 733-1000.
- Christiana Care Hospital4755 Ogletown Stanton Rd, Newark, DE 19713 · New Castle CountyPhone(302) 733-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Martha Carolina Lopez Siles is affiliated with 2 sites of care and 2 medical groups
Dr. Lopez Siles' primary practice is Christiana Care Hospital in Newark, Delaware. Dr. Lopez Siles is also affiliated with Christiana Hospital. The medical group on file is ChristianaCare. Dmand AI also links Dr. Lopez Siles to 1 more medical group, 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. Martha Carolina Lopez Siles' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lopez Siles practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Christiana Care Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Martha Carolina Lopez Siles is one of 615 internists in Delaware
Internal medicine is Dr. Lopez Siles' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lopez Siles is licensed in Delaware.
Specialties and state licenses
- Internal medicine, DelawarePrimary
Internists near Dr. Lopez Siles
Counts of internists 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. Martha Carolina Lopez Siles billed Medicare for 144 services in 2024
CMS data shows 144 Medicare services from Dr. Lopez Siles across 5 procedure codes in 2024, for 81 Medicare patients. Medicare paid $11,345 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lopez Siles compared with the Delaware median for internists, 2024
- Dr. Lopez Siles
- Delaware median
- Medicare services
- 144vs 68679% below
- Medicare patients
- 81vs 28772% below
- Part D claims
- 137vs 12410% above
Medians across 565 internists in Delaware with Dmand AI profiles that report each measure.
Dr. Lopez Siles' 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lopez Siles and other internists in Delaware.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Martha Carolina Lopez Siles treated 81 Medicare patients in 2024, average age 74
CMS counts 81 Medicare patients who saw Dr. Lopez Siles in 2024. The largest group is 75 to 84, with 27 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.97, 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 Siles' median patient age at 59, with 52% women.
Dr. Lopez Siles' Medicare patients by age, 2024
Dr. Lopez Siles' Medicare patients by sex, 2024
- Women4859%
- Men3341%
Chronic conditions among Dr. Lopez Siles' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Ischemic heart disease54%
- Mood disorders52%
- Depression47%
- Diabetes47%
- Anxiety44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lopez Siles' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women52%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Martha Carolina Lopez Siles wrote 399 Medicare Part D claims in 2024
In 2024, Dr. Lopez Siles wrote 399 Medicare Part D claims for 62 patients. 79% of them were for generic drugs. CMS names the drug for 137 of them, across 7 drugs with 11 or more claims each, at $16,587 in total drug cost. In 2023, CMS named 243 claims across 12 drugs.
Dr. Lopez Siles' Part D claims by kind of drug, 2024
- Generic316 claims79%
- Brand-name and other83 claims21%
Dr. Lopez Siles' 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.
Drug classes CMS tracks in Dr. Lopez Siles' Part D claims, 2024
- Antibiotics3%11 of 399 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2432024: 13744%
Drugs named by CMS: 7 in 2024, 12 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
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Sources for Dr. Martha Carolina Lopez Siles'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) |
| 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. Martha Carolina Lopez Siles
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What is Dr. Martha Carolina Lopez Siles' NPI number?
Dr. Martha Carolina Lopez Siles' NPI number is 1548847965. It was assigned on March 24, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Martha Carolina Lopez Siles?
Dr. Martha Carolina Lopez Siles is an internist in Newark, Delaware. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Martha Carolina Lopez Siles practice?
Dr. Lopez Siles practices at 4755 Ogletown Stanton Rd, Newark, DE 19713. Dr. Lopez Siles' primary practice is Christiana Care Hospital in Newark, Delaware. Dmand AI also links Dr. Lopez Siles to 1 medical group.
What is Dr. Martha Carolina Lopez Siles' office phone number?
The practice phone on file for Dr. Lopez Siles is (302) 733-1000.
What is Dr. Martha Carolina Lopez Siles' medical license number?
Dr. Lopez Siles holds Delaware license C1-0027064.
Which hospitals is Dr. Martha Carolina Lopez Siles affiliated with?
Dr. Lopez Siles is affiliated with Christiana Hospital.
What medical group is Dr. Martha Carolina Lopez Siles part of?
Dr. Lopez Siles is linked to ChristianaCare. Dmand AI links Dr. Lopez Siles to 1 more medical group.
Does Dr. Martha Carolina Lopez Siles accept Medicare?
Yes. CMS data shows Dr. Lopez Siles billed Medicare for 144 services in 2024.
How many Medicare patients does Dr. Martha Carolina Lopez Siles see?
CMS counts 81 Medicare patients who saw Dr. Lopez Siles in 2024, with an average age of 74.
What services does Dr. Martha Carolina Lopez Siles bill to Medicare?
In 2024, Dr. Lopez Siles' most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
What drugs does Dr. Martha Carolina Lopez Siles prescribe most?
In 2024 Medicare Part D data, Dr. Lopez Siles' most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
How long has Dr. Martha Carolina Lopez Siles been practicing?
Dr. Lopez Siles graduated from medical school in 2020, 6 years ago.
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