Maralyn Walko, NP
NPI 1245496645 · Nurse Practitioner · Monroe, NC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maralyn Walko, NP is a Nurse Practitioner provider in Monroe, NC (NPI 1245496645).
Provider details
- NPI number
- 1245496645
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 5008753 (NC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Allopathic & Osteopathic Physicians
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
311 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 135 | $97 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 83 | $142 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 54 | $65 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 39 | $94 |
Typical Medicare-allowed amounts for these services range $65–$142 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (4)
- 8800 N Tryon StCharlotte, NC 28262-3300Phone: (704) 863-6241
- 1000 Blythe BlvdCharlotte, NC 28203-5812Phone: (704) 355-0720
- 2001 Vail AveCharlotte, NC 28207-1248Phone: (704) 304-6070
- 10628 Park RdCharlotte, NC 28210-8407Phone: (704) 667-7070
Registry dates
- Enumerated
- 2008-08-05
- Last updated
- 2024-07-15
- Certified
- 2022-04-16
Frequently asked questions
- What is Maralyn Walko's NPI number?
- Maralyn Walko's National Provider Identifier (NPI) is 1245496645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maralyn Walko's specialty?
- Maralyn Walko is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maralyn Walko located?
- Maralyn Walko's practice location on file with NPPES is 600 Hospital Dr, Monroe, NC 28112-6000.
- What is Maralyn Walko's phone number?
- The practice phone number listed in the NPPES registry for Maralyn Walko is (704) 993-2240.
- Does Maralyn Walko accept Medicare?
- Maralyn Walko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maralyn Walko's NPI active?
- Yes — Maralyn Walko's NPI (1245496645) is active in the NPPES registry as of the last update on 2024-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.