MRS. RUTH CROSBY WALKUP PMHNP-BC, FNP-BC
NPI 1134285448
Nurse Practitioner - Family in Charlotte, NC

Active since December 29, 2006PECOS EnrolledAccepts Medicare Assignment
3440 TORINGDON WAY STE 205, CHARLOTTE, NC 28277(980) 375-6657(980) 375-6658 Get Directions Write a Review

NPPES record last updated: March 4, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 4, 2026, Dec 3, 2025, Jun 21, 2025 and 2 more (5 updates tracked since 2016).

About Mrs. Ruth Crosby Walkup Pmhnp-bc, Fnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. RUTH CROSBY WALKUP PMHNP-BC, FNP-BC (NPI 1134285448) is an individual family provider in Charlotte, North Carolina, licensed in North Carolina (5004036) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Other (2001).

NPPES Registry Identity

NPI1134285448
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. RUTH CROSBY WALKUPCredential: PMHNP-BC, FNP-BC
Location Address3440 TORINGDON WAY STE 205Charlotte, NC 28277-3191
Mailing Address1820 Willard CtRock Hill, SC 29732-7727 · (984) 283-0333 · Fax (984) 283-0433
Fax(980) 375-6658
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateDecember 29, 2006
Last NPPES UpdateMarch 4, 20265 updates tracked since enumeration
NPPES CertifiedMarch 4, 2026
✔ NPI 1134285448 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
Licenses✔ Licensed in NC · 5004036✔ Licensed in SC · 2561
Also ListedNurse Practitioner · Psychiatric/Mental HealthTaxonomy 363LP0808X · License 2561 (SC), 5004036 (NC)
3440 TORINGDON WAY STE 205, Charlotte, NC 28277

Secondary Practice Locations 4

Location 18601 Six Forks Rd Ste 412Raleigh, NC 27615-5276 · Phone (984) 283-0333 · Fax (984) 283-0433
Location 2504 Kintyre DrMonroe, NC 28112-4111 · Phone (803) 448-0865
Location 311403 N Tryon StCharlotte, NC 28262-0408 · Phone (888) 852-6672 · Fax (305) 891-4228
Location 43057 Senna DrMatthews, NC 28105-6727 · Phone (888) 852-6672 · Fax (305) 891-4228

Other Identifiers 2

MedicaidNP1271SC
Medicaid7006019NC

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Ruth Crosby Walkup Pmhnp-bc, Fnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1850469875
PECOS Enrollment IDI20081003000603
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

5

Medicare enrollment records show Ruth Walkup reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mental Health (Including Community Mental Health Center)
448 LAKESHORE PKWY, SUITE 205
Rock Hill, SC 29730
  • Reassigned Medicare billing, South Carolina enrollment
  • 236 clinicians in this Medicare group
Psychiatry
1626 CRANIUM DR STE 101
Rock Hill, SC 29732
  • Reassigned Medicare billing, South Carolina enrollment
  • 8 clinicians in this Medicare group
Psychiatry
11403 N TRYON ST
Charlotte, NC 28262
  • Reassigned Medicare billing, North Carolina enrollment
  • 4 clinicians in this Medicare group
Primary Care
182C SEA ISLAND PKWY
Beaufort, SC 29907
  • Reassigned Medicare billing, South Carolina enrollment
  • 200 clinicians in this Medicare group
Psychiatry
5214F DIAMOND HEIGHTS BLVD # 345
San Francisco, CA 94131
  • Reassigned Medicare billing, South Carolina enrollment
  • Medicare enrollment name: Brightside Medical PC
  • 34 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 28277 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$83.90 typical visit price
range $54.12 – $165.09
Typical copayment $20.97 (range $13.53 – $41.27)
Most-billed visit code 99203
Established Patient
$95.94 typical visit price
range $17.21 – $134.61
Typical copayment $23.98 (range $4.30 – $33.65)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

In Home Supportive Care
3440 TORINGDON WAY STE 205
CHARLOTTE, NC 28277
Marriage & Family Therapist
3440 TORINGDON WAY STE 205
CHARLOTTE, NC 28277
Behavior Analyst
3440 TORINGDON WAY STE 205
CHARLOTTE, NC 28277
Psychologist (Clinical)
3440 TORINGDON WAY STE 205
CHARLOTTE, NC 28277
Nurse Practitioner (Psychiatric/Mental Health)
3440 TORINGDON WAY STE 205
CHARLOTTE, NC 28277

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ruth Walkup's NPI number?

The NPI number for Ruth Walkup is 1134285448. It was assigned to this individual provider in the NPPES registry on December 29, 2006.

Where is Ruth Walkup located?

Ruth Walkup practices at 3440 Toringdon Way Ste 205, Charlotte, NC 28277. The listed phone number is (980) 375-6657.

What is Ruth Walkup's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Ruth Walkup enrolled in Medicare?

Yes. Ruth Walkup is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Ruth Walkup's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ruth Walkup reassigns Medicare benefits to 5 organizations: South Carolina Dept Of Mental Health Accounting Office (Rock Hill, SC), Advance Behavioral Medicine. LLC (Rock Hill, SC), Compass Health Systems Of North Carolina (Charlotte, NC), Lowcountry Urgent Care LLC (Beaufort, SC) and Brightside Medical, P.C. (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ruth Walkup's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ruth Walkup accept?

Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee, First Choice Next and UnitedHealthcare list Ruth Walkup as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ruth Walkup was last updated on March 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.