Rosalyn Marcus, R.N.
Registered Nurse · Baltimore, MD
Rosalyn Marcus, R.N. is a registered nurse with a practice address in Baltimore, Maryland, and NPI 1326373036, issued on Oct 14, 2009. Check the license (Maryland R185307, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Rosalyn Marcus
- Credential
- R.N.
- Primary taxonomy
- Registered Nurse 163W00000X
- License number
- R185307 MD
Self-reported in NPPES; status is on the state search - Practice location
- 201 East University, Baltimore, MD 21218
- Phone
- (410) 554-2934
- Enumerated
- Oct 14, 2009
- Record last updated
- Oct 14, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (410) 554-6490
- Entity
- Type 1 · individual
8 nearest registered nurse records → All 2,453 in Maryland → Look up another NPI →
Verify Rosalyn Marcus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R185307Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Rosalyn Marcus among 2,453 registered nurse records in Maryland
Rosalyn Marcus, R.N. is one of 2,453 registered nurse records with a practice address in Maryland. 2% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2009, is newer than 8% of them.
- NPI issued2009 · 8% of these records are older, 91% newer
- In a Medicare fileNo · 2% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2009 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
393 registered nurse records list a practice address in Baltimore
They are 393 of the 35,183 NPPES records with a practice address in Baltimore, and 2,453 registered nurse records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,453 in Maryland → Every provider in Baltimore → Registered Nurse nationwide →
The 8 registered nurse records with the nearest ZIP codes
- Kelly Arguero, RNBaltimore, MD 212181053920835
- Ebony Beckles, RNBaltimore, MD 212181285208793
- Barbara Berger, ANBaltimore, MD 212181073655817
- Rita Cabatac, RNBaltimore, MD 212181619119005
- Amber Funderburk, BSN, RNBaltimore, MD 212181639743941
- Robin Levine, RNBaltimore, MD 212181972641462
- Karen MarburgBaltimore, MD 212181043575921
- Dorothy Reuben, R.N.Baltimore, MD 212181750361028
Common questions
What is Rosalyn Marcus, R.N.'s NPI number?
Rosalyn Marcus, R.N.'s National Provider Identifier (NPI) is 1326373036, issued on Oct 14, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Rosalyn Marcus, R.N. located?
The NPPES record lists a practice address at 201 East University, Baltimore, MD, 21218. Phone: (410) 554-2934. Providers update this record themselves, so call before visiting.
How can I verify Rosalyn Marcus, R.N.'s license?
NPPES lists Maryland license number R185307, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity 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. 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.