Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Nichol L O'Marr, CRNP

Individual provider Nurse Practitioner · NPI 1598726655

Nichol L O'Marr, CRNP is a Nurse Practitioner in Catonsville, Maryland. Qualified in 2005, 21 years ago. Practices with Mid-Atlantic Nephrology Associates PA, a 58-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
21
Licensed in
MD
In the registry since
2006
What do these letters mean?
CRNP — Certified Registered Nurse Practitioner
The title Pennsylvania and some other states use for a nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

516 N Rolling Rd Ste 304
Catonsville, MD 21228-4140
Phone: (410) 744-0890
Fax: (410) 744-2007
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence R144756 (MD)

Record details

NPI number1598726655
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNP
Sole proprietorNo
NPI enumeratedMarch 29, 2006
Last updated in NPPESOctober 17, 2013

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Mid-Atlantic Nephrology Associates Pa — 58 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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