Dr. Karen Marrero, MD
- Part D claims, 2024
- 55
- Publications
- 7
- Affiliated sites
- 2
- Medical groups
- 2
- Insurance carriers
- 4
- Practice address
- 601 E Rollins St, Orlando, FL 32803
- Practice phone
- Call (407) 303-5600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
AdventHealth East Orlando
Orlando, Florida
Find Dr. Marrero'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. Karen Marrero is an internist in Orlando, Florida
Dr. Marrero practices at AdventHealth East Orlando in Orlando, Florida.
Dr. Marrero's NPI, 1427383330, was assigned on October 9, 2009. Dr. Marrero graduated from Ponce Health Sciences University School of Medicine in 2005. Dr. Marrero's New York license number on file is 254995.
- NPI
- 1427383330NPI Registry (opens in a new tab)
- NPI enumeration date
- October 9, 2009
- NPI status
- Active
- Practice phone
- (407) 303-5600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Karen Marrero practices at AdventHealth East Orlando in Orlando, Florida
Dr. Marrero's primary practice is AdventHealth East Orlando, at 601 E Rollins St, Orlando, FL 32803 in Orange County. The practice phone is (407) 303-5600.
- AdventHealth East Orlando601 E Rollins St, Orlando, FL 32803 · Orange CountyPhone(407) 303-5600
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Karen Marrero is affiliated with 3 sites of care and 2 medical groups
Dr. Marrero's primary practice is AdventHealth East Orlando in Orlando, Florida. The medical group on file is Gutierrez Medical Center. Dmand AI also links Dr. Marrero to 2 more group practices and clinics and 1 medical group, 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. Karen Marrero's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marrero practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| AdventHealth East Orlando | Available with a free account |
| +2 more sites and 1 medical group | 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. Karen Marrero is one of 9,009 internists in Florida
Internal medicine is Dr. Marrero's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Marrero's licenses on file in 2 states: New York and Florida.
Specialties and state licenses
- Internal medicine, New YorkPrimary
- Florida license
Internists near Dr. Marrero
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. Karen Marrero's patients have a median age of 45
Across all payers, Dmand AI patient panel data puts Dr. Marrero's median patient age at 45, with 59% women.
Dr. Marrero's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women59%
- Men41%
Source: Dmand AI Patient Panel Data
Dr. Karen Marrero wrote 55 Medicare Part D claims in 2024
In 2024, Dr. Marrero wrote 55 Medicare Part D claims. 91% of them were for generic drugs.
Dr. Marrero's Part D claims by kind of drug, 2024
- Generic50 claims91%
- Brand-name and other5 claims9%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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. Karen Marrero has 7 publications on record
Dmand AI links 7 papers to Dr. Marrero in 2008. The most frequent topics are Vibrio cholerae, Cholera Vaccines and Amino Acid Sequence. Dr. Marrero has published most often in Infect Immun. Dr. Marrero's most frequent co-author is Rana A. Javed, MD.
Topics Dr. Marrero writes about most
- Vibrio cholerae
- Cholera Vaccines
- Amino Acid Sequence
- Antibodies, Bacterial
- Cellulase
- Cholera
- Mice, Inbred BALB C
- Molecular Sequence Data
Dr. Marrero's most frequent co-authors
Recent publications by Dr. Marrero
See who Dr. Marrero researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marrero works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Karen Marrero graduated from Ponce Health Sciences University School of Medicine
Dr. Marrero graduated from Ponce Health Sciences University School of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Karen Marrero accepts plans from 4 insurance carriers
Dr. Marrero is in network with 4 carriers, including Blue Cross Blue Shield of Massachusetts, HCSC and United Healthcare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Massachusetts
- HCSC
- United Healthcare
- Alliant Health Plans
Plan types Dr. Marrero accepts, by number of carriers
- HMO2
- Medicare2
- PPO2
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Karen Marrero'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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Karen Marrero
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. Karen Marrero's NPI number?
Dr. Karen Marrero's NPI number is 1427383330. It was assigned on October 9, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Karen Marrero?
Dr. Karen Marrero is an internist in Orlando, Florida. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Karen Marrero practice?
Dr. Marrero practices at 601 E Rollins St, Orlando, FL 32803. Dr. Marrero's primary practice is AdventHealth East Orlando in Orlando, Florida. Dmand AI also links Dr. Marrero to 2 group practices and clinics and 1 medical group.
What is Dr. Karen Marrero's office phone number?
The practice phone on file for Dr. Marrero is (407) 303-5600.
What is Dr. Karen Marrero's medical license number?
Dr. Marrero's New York license number on file is 254995, one of the licenses on file in 2 states.
Which states has Dr. Karen Marrero been licensed in?
Dmand AI has state licenses on file for Dr. Marrero in New York (2009 to 2011) and Florida (2011 to 2026).
What medical group is Dr. Karen Marrero part of?
Dr. Marrero is linked to Gutierrez Medical Center. Dmand AI links Dr. Marrero to 1 more medical group.
Where did Dr. Karen Marrero go to medical school?
Dr. Marrero graduated from Ponce Health Sciences University School of Medicine in 2005.
How long has Dr. Karen Marrero been practicing?
Dr. Marrero graduated from medical school in 2005, 21 years ago.
Does Dr. Karen Marrero do research?
Dmand AI links 7 publications to Dr. Marrero.
Who does Dr. Karen Marrero publish with?
Dr. Marrero's most frequent co-authors are Rana A. Javed, MD (1 shared paper).
What insurance does Dr. Karen Marrero accept?
Dr. Marrero is in network with 4 carriers, including Blue Cross Blue Shield of Massachusetts, HCSC and United Healthcare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
Selling to internal medicine practices?
See internists in Florida 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