Doctor profile · Federal record

Dr. Maralyn Walko, NP

Nurse Practitioner · Hospitalist Physician · Adult Health Nurse Practitioner · Monroe, NC

  • NPI 1245496645
  • Accepts Medicare
  • MIPS 92.1 / 100 · 2023
  • 18 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
600 Hospital Dr
Monroe, NC 281126000
(704) 993-2240
Additional location
1000 Blythe Blvd
Charlotte, NC 282035812
(704) 355-0720
Additional location
10628 Park RD
Charlotte, NC 282108407
(704) 667-7070
Show 2 more locations
Additional location
2001 Vail Ave
Charlotte, NC 282071248
(704) 304-6070
Additional location
8800 N Tryon St
Charlotte, NC 282623300
(704) 863-6241
Mailing address
Po Box 19305
Charlotte, NC 282199305

Credentials & registration

NPPES · NUCC
NPI registered
August 2008 — 18 yrs on file
Profile last updated
July 15, 2024
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
North Carolina #5008753

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245496645. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
387
Distinct HCPCS
6
Medicare allowed
$37,413
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 165 67 $97
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 85 83 $141
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 56 19 $65
99239 Hospital discharge day management, more than 30 minutes 39 37 $92
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 26 11 $41
99238 Hospital discharge day management, 30 minutes or less 16 16 $67

In context: peer comparison

Among 8 peers in Monroe Nurse Practitioner, average services per provider: 67. This provider delivers 5.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Maralyn Walko's medical specialty?
Dr. Maralyn Walko practices Nurse Practitioner in Monroe, NC.
Where does Dr. Maralyn Walko practice?
Dr. Maralyn Walko practices at 600 Hospital Dr, Monroe, NC 281126000. Office phone: 7049932240.
What is Dr. Maralyn Walko's NPI?
Dr. Maralyn Walko's National Provider Identifier (NPI) is 1245496645, issued by NPPES.
Does Dr. Maralyn Walko accept Medicare assignment?
Yes. Dr. Maralyn Walko accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maralyn Walko commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.