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Dr. Marci Lynn Drees, MD
NPI1700971827PAC ID3779564042
- Medicare services, 2019
- 45
- Part D claims, 2024
- 346
- Publications
- 39
- Industry payments
- $44
- Affiliated sites
- 1
- Practice address
- 200 Hygeia Dr, Newark, DE 19713
- Practice phone
- Call (302) 320-1300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
CCHS Infectious Disease
Newark, Delaware
Find Dr. Drees' professional email, personal email and mobile number
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Dr. Marci Lynn Drees is an infectious disease specialist in Newark, Delaware
Dr. Drees practices at CCHS Infectious Disease in Newark, Delaware.
Dr. Drees' NPI, 1700971827, was assigned on October 4, 2006. Dr. Drees graduated from University of Chicago, Pritzker School of Medicine in 1998. Dr. Drees holds Delaware license C1-0008371.
NPI and contact details
- NPI
- 1700971827NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779564042
- NPI enumeration date
- October 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (302) 320-1300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marci Lynn Drees practices at CCHS Infectious Disease in Newark, Delaware
Dr. Drees' primary practice is CCHS Infectious Disease, at 200 Hygeia Dr, Newark, DE 19713 in New Castle County. The practice phone is (302) 320-1300.
- CCHS Infectious Disease200 Hygeia Dr, Newark, DE 19713 · New Castle CountyPhone(302) 320-1300
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Marci Lynn Drees is affiliated with 2 sites of care and 1 medical group
Dr. Drees' primary practice is CCHS Infectious Disease in Newark, Delaware. The medical group on file is ChristianaCare. Dmand AI also links Dr. Drees to 1 more skilled nursing facility, named with a free account.
CCHS Infectious DiseasePrimary
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. Marci Lynn Drees' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Drees practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CCHS Infectious Disease | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marci Lynn Drees is one of 28 infectious disease specialists in Delaware
Infectious disease is Dr. Drees' primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Drees is licensed in Delaware.
Specialties and state licenses
- Infectious disease, DelawarePrimary
Infectious disease specialists near Dr. Drees
Counts of infectious disease specialists 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. Marci Lynn Drees billed Medicare for 45 services in 2019
CMS data shows 45 Medicare services from Dr. Drees across 2 procedure codes in 2019, all of them office visits. Medicare paid $2,685 for them. Every service was in an office.
Medicare services, 201945
Paid by Medicare$2,685
Procedure codes2
Dr. Drees' Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 252019: 4580%
Dr. Drees compared with the Delaware median for infectious disease specialists, 2019
- Dr. Drees
- Delaware median
- Medicare services
- 45vs 70194% below
- Part D claims
- 270vs 40133% below
Medians across 26 infectious disease specialists in Delaware with Dmand AI profiles that report each measure.
Dr. Drees' 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. Drees?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Drees and other infectious disease specialists in Delaware.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marci Lynn Drees' patients have a median age of 57
Across all payers, Dmand AI patient panel data puts Dr. Drees' median patient age at 57, with 45% women.
Dr. Drees' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women45%
- Men55%
Source: Dmand AI Patient Panel Data
Dr. Marci Lynn Drees wrote 346 Medicare Part D claims in 2024
In 2024, Dr. Drees wrote 346 Medicare Part D claims for 29 patients. 29% of them were for generic drugs. CMS names the drug for 270 of them, across 8 drugs with 11 or more claims each, at $728,345 in total drug cost. In 2023, CMS named 225 claims across 7 drugs.
Part D claims, 2024346
Drugs named by CMS8
Total drug cost$728,345
Part D patients29
Dr. Drees' Part D claims by kind of drug, 2024
- Generic101 claims29%
- Brand-name245 claims71%
Dr. Drees' 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. Drees' Part D claims, 2024
- Antibiotics5%17 of 346 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: 2252024: 27020%
Drugs named by CMS: 8 in 2024, 7 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
How Dr. Marci Lynn Drees takes part in Medicare
Dr. Drees accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Marci Lynn Drees has 39 publications on record
Dmand AI links 39 papers to Dr. Drees, published from 2008 to 2025. 2016 was the busiest year, with 5. The most frequent topics are Cross Infection, Infection Control and Anti-Bacterial Agents. Dr. Drees has published most often in Infect Control Hosp Epidemiol. Dr. Drees' most frequent co-authors are Deborah Stephanie Yokoe, MD, Jason E. Bowling, MD and Jennifer Ann Meddings, MD.
Papers39
Years published2008 to 2025
Dr. Drees' papers by year, 2014 to 2025
Topics Dr. Drees writes about most
- Cross Infection
- Infection Control
- Anti-Bacterial Agents
- Vaccination
- COVID-19
- Delaware
- Delivery of Health Care
- Disease Outbreaks
Dr. Drees' most frequent co-authors
- Deborah Stephanie Yokoe, MD4 shared papers
- Jason E. Bowling, MD3 shared papers
- Jennifer Ann Meddings, MD3 shared papers
Recent publications by Dr. Drees
Lancet Infect Dis
Disease OutbreaksMycobacterium tuberculosisOrgan Transplantation
Infect Control Hosp Epidemiol
BacteremiaCatheterization, Central VenousCatheter-Related Infections
Infect Control Hosp Epidemiol
Anti-Bacterial AgentsAntimicrobial StewardshipMethicillin-Resistant Staphylococcus aureus
See who Dr. Drees researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Drees works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Marci Lynn Drees received $44 in industry payments in 2016
CMS Open Payments shows 3 general payments to Dr. Drees from 2 drug and device companies in 2016. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $26.
Companies that paid Dr. Drees the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marci Lynn Drees graduated from University of Chicago, Pritzker School of Medicine
Dr. Drees graduated from University of Chicago, Pritzker School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marci Lynn Drees'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 Data |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Marci Lynn Drees
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. Marci Lynn Drees' NPI number?
Dr. Marci Lynn Drees' NPI number is 1700971827. It was assigned on October 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marci Lynn Drees?
Dr. Marci Lynn Drees is an infectious disease specialist in Newark, Delaware. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Marci Lynn Drees practice?
Dr. Drees practices at 200 Hygeia Dr, Newark, DE 19713. Dr. Drees' primary practice is CCHS Infectious Disease in Newark, Delaware. Dmand AI also links Dr. Drees to 1 skilled nursing facility.
What is Dr. Marci Lynn Drees' office phone number?
The practice phone on file for Dr. Drees is (302) 320-1300.
What is Dr. Marci Lynn Drees' medical license number?
Dr. Drees holds Delaware license C1-0008371.
What medical group is Dr. Marci Lynn Drees part of?
Dr. Drees is linked to ChristianaCare.
Does Dr. Marci Lynn Drees accept Medicare?
Yes. CMS data shows Dr. Drees billed Medicare for 45 services in 2019, and Dr. Drees accepts Medicare assignment.
What services does Dr. Marci Lynn Drees bill to Medicare?
In 2019, Dr. Drees' most billed Medicare services were office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. Marci Lynn Drees go to medical school?
Dr. Drees graduated from University of Chicago, Pritzker School of Medicine in 1998.
What drugs does Dr. Marci Lynn Drees prescribe most?
In 2024 Medicare Part D data, Dr. Drees' most prescribed drugs by claims were Dovato, Biktarvy and Rosuvastatin Calcium.
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Has Dr. Marci Lynn Drees received payments from drug or device companies?
CMS Open Payments shows $44 in general payments to Dr. Drees from 2 companies from 2016 to 2016. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Marci Lynn Drees been practicing?
Dr. Drees graduated from medical school in 1998, 28 years ago.
Does Dr. Marci Lynn Drees do research?
Dmand AI links 39 publications to Dr. Drees, published from 2008 to 2025.
Who does Dr. Marci Lynn Drees publish with?
Dr. Drees' most frequent co-authors are Deborah Stephanie Yokoe, MD (4 shared papers), Jason E. Bowling, MD (3 shared papers) and Jennifer Ann Meddings, MD (3 shared papers).
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