Marci Lynn Drees, M.D.
Infectious Disease Physician · Smyrna, DE
Marci Lynn Drees, M.D. is an infectious disease physician with a practice address in Smyrna, Delaware, and NPI 1700971827, issued on Oct 4, 2006. Check the license (Delaware C1-0008371, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Marci Lynn Drees
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- C1-0008371 DE
Self-reported in NPPES; status is on the state search - Practice location
- 100 Sunnyside RD, Smyrna, DE 19977
- Phone
- (302) 653-1900
- Enumerated
- Oct 4, 2006
- Record last updated
- Feb 29, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (302) 653-1901
- Medicare enrollment
- Enrolled (PECOS I20070906000831); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 32 in Delaware → Look up another NPI →
Also registered at 100 Sunnyside RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lucille ArranguezPhysical Therapist1336521822
- Vedette BondNurse Practitioner1326635194
- Sharon Burns, OTR/LOccupational Therapist1770714032
- Anthony Cannuli, MDPsychiatry Physician1417107921
- Arlo Courter, M.D.Geriatric Medicine (Internal Medicine) Physician1780781955
- Ami Parikh, RPHPharmacotherapy Pharmacist1003943507
Verify Marci Lynn Drees in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C1-0008371Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average infectious disease physician in 2024
346 Medicare Part D claims for 29 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 71% of claims.
Most prescribed
- Dovato81 claims
- Biktarvy77 claims
- Rosuvastatin Calcium34 claims
- Odefsey17 claims
- Prezcobix17 claims
- Sulfamethoxazole-Trimethoprim17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Christiana Care Health Services IncWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marci Lynn Drees among 32 infectious disease physician records in Delaware
Marci Lynn Drees, M.D. is one of 32 infectious disease physician records with a practice address in Delaware. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 0% of them.
- NPI issued2006 · 0% of these records are older, 53% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 88% of these records are
- Graduated1998 · median 2002 among the 28 with a school on file
- Record last updated2012 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Delaware
There are 32 infectious disease physician records in Delaware.
All 32 in Delaware → Every provider in Smyrna → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Ambreen Raza, MDMilford, DE 199631326398579
- Rafael Ruiz Gaviria, MDMilford, DE 199631679067334
- William Chasanov, D.O.Lewes, DE 199581104028919
- Jimmy Chua, M.D.Lewes, DE 199581205939840
- Matthew Jacob, MDLewes, DE 199581689373169
- Ala Muhanna, MDLewes, DE 199581578117545
- Scott Olewiler, M.D.Lewes, DE 199581205881893
- Dawn Roach, MDHarrington, DE 199521588226005
Common questions
What is Marci Lynn Drees, M.D.'s NPI number?
Marci Lynn Drees, M.D.'s National Provider Identifier (NPI) is 1700971827, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marci Lynn Drees, M.D. located?
The NPPES record lists a practice address at 100 Sunnyside RD, Smyrna, DE, 19977. Phone: (302) 653-1900. Providers update this record themselves, so call before visiting.
How can I verify Marci Lynn Drees, M.D.'s license?
NPPES lists Delaware license number C1-0008371, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marci Lynn Drees, M.D. prescribe under Medicare Part D?
In 2024, Marci Lynn Drees, M.D. had 346 Medicare Part D claims for 29 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.