Doctor profile · Federal record

Dr. Nichol O'Marr, CRNP

Nurse Practitioner · Catonsville, MD

  • NPI 1598726655
  • Accepts Medicare
  • 21 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
516 N Rolling RD, Suite 304
Catonsville, MD 212284140
(410) 744-0890
fax (410) 744-2007
Mailing address
1589 Sulphur Spring RD, Suite 109
Baltimore, MD 212272542

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
October 17, 2013
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Maryland #R144756
Medicaid
MD #008316000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598726655. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
142
Distinct HCPCS
4
Medicare allowed
$12,746
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 95 78 $69
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 23 16 $267
81003 Automated urinalysis test 12 11 $2
82570 Creatinine level to test for kidney function or muscle injury 12 11 $5

In context: peer comparison

Among 2 peers in this city , average services per provider: 48. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$274
Transactions
11
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Ardelyx, Inc. 4 $81.96
Bayer Healthcare Pharmaceuticals Inc. 3 $73.77
Novartis Pharmaceuticals Corporation 2 $66.71
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $30.99
Travere Therapeutics, Inc. 1 $20.28

By nature of payment

Food and Beverage
$274

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
552
Patients
101
Total drug cost
$151,657
Drug Type Claims Patients Total cost
Furosemide Generic 88 23 $462
Calcium Acetate Generic 55 21 $4,794
Calcitriol Generic 52 19 $1,287
Hydralazine Hcl Generic 48 12 $599
Sevelamer Carbonate Generic 48 13 $5,818
Amlodipine Besylate Generic 39 13 $261
Auryxia (Ferric Citrate) Brand 35 0 $40,734
Velphoro (Sucroferric Oxyhydroxide) Brand 31 0 $73,392
Metoprolol Succinate Generic 29 0 $550
Doxazosin Mesylate Generic 26 0 $1,191

Frequently asked questions

Auto-generated from federal data
What is Dr. Nichol O'Marr's medical specialty?
Dr. Nichol O'Marr practices Nurse Practitioner in Catonsville, MD.
Where does Dr. Nichol O'Marr practice?
Dr. Nichol O'Marr practices at 516 N Rolling RD, Catonsville, MD 212284140. Office phone: 4107440890.
What is Dr. Nichol O'Marr's NPI?
Dr. Nichol O'Marr's National Provider Identifier (NPI) is 1598726655, issued by NPPES.
Does Dr. Nichol O'Marr accept Medicare assignment?
Yes. Dr. Nichol O'Marr accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nichol O'Marr commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Dialysis services, 2-3 physician visits per month (20 years or older) (HCPCS 90961); Automated urinalysis test (HCPCS 81003). Source: CMS Medicare Physician & Other Practitioners file.