Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DARLENE K CHRISTMON-WASHINGTON PMHCNS-BC
NPI 1598994170
Clinical Nurse Specialist - Psychiatric/Mental Health in Rock Hill, SC

Q: What is Darlene Christmon-washington's NPI number?

The NPI number for Darlene Christmon-washington is 1598994170. It was assigned to this individual provider in the NPPES registry on July 5, 2009. The provider is also known as Darlene K Christmon-Washington Apn.

Q: What is Darlene Christmon-washington's specialty?

The primary specialty registered for this NPI is Clinical Nurse Specialist, specializing in Psychiatric/Mental Health, with taxonomy code 364SP0808X.

Active since July 05, 2009PECOS Enrolled

455 LAKESHORE PKWY, ROCK HILL, SC 29730(803) 909-6363(877) 658-8669 Get Directions Write a Review

NPPES record last updated: June 11, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 25, 2021, Feb 24, 2020, Feb 20, 2020 (3 updates tracked since 2020).

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About Darlene K Christmon-washington Pmhcns-bc NPPES

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

DARLENE K CHRISTMON-WASHINGTON PMHCNS-BC (NPI 1598994170) is an individual psychiatric/mental health provider in Rock Hill, South Carolina, licensed in South Carolina (23430) and active in the NPI registry since July 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1598994170

Entity TypeIndividualFemale

Primary Taxonomy364SP0808X

Provider Legal NameDARLENE K CHRISTMON-WASHINGTONCredential: PMHCNS-BC

Location Address455 LAKESHORE PKWYRock Hill, SC 29730-4205

Mailing Address455 Lakeshore PkwyRock Hill, SC 29730-4205 · (038) 909-6363

Phone(803) 909-6363

Fax(877) 658-8669

Sole ProprietorNo

Enumeration DateJuly 5, 2009

Last NPPES UpdateJune 11, 20263 updates tracked since enumeration

NPPES CertifiedJune 11, 2026

✔ NPI 1598994170 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinical Nurse Specialist · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code364SP0808X

License✔ Licensed in SC · 23430

Also ListedClinical Nurse Specialist · Psychiatric/Mental Health, AdultTaxonomy 364SP0809X · License 23430 (SC)

455 LAKESHORE PKWY, Rock Hill, SC 29730

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Other Names 1

Former Name (1)Darlene K Christmon-washington Apn

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Darlene K Christmon-washington Pmhcns-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29730 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

$124.04 typical visit price

range $53.57 – $163.84

Typical copayment $31.01 (range $13.39 – $40.96)

Most-billed visit code 99204

Established Patient

$95.12 typical visit price

range $16.96 – $133.52

Typical copayment $23.78 (range $4.24 – $33.38)

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 20

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

HILARY ERIN HARRIS FNP

Nurse Practitioner (Family)