1. Home
  2. Directory
  3. South Carolina
  4. Mount Pleasant
  5. Nurse Practitioner
  6. NPI Profile

MALLORY DARNELL PMHNP-BC
NPI 1326522194
Nurse Practitioner - Psychiatric/Mental Health in Mount Pleasant, SC

Active since September 18, 2018PECOS EnrolledAccepts Medicare Assignment
871 LOWCOUNTRY BLVD, MOUNT PLEASANT, SC 29464(843) 501-1099 Get Directions Write a Review

NPPES record last updated: February 25, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 25, 2022, Oct 22, 2020, Sep 18, 2018 (3 updates tracked since 2018).

About Mallory Darnell Pmhnp-bc NPPES

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

MALLORY DARNELL PMHNP-BC (NPI 1326522194) is an individual psychiatric/mental health provider in Mount Pleasant, South Carolina, licensed in South Carolina (25795) and active in the NPI registry since September 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1326522194
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMALLORY DARNELLCredential: PMHNP-BC
Location Address871 LOWCOUNTRY BLVDMount Pleasant, SC 29464-3066
Mailing Address871 Lowcountry BlvdMount Pleasant, SC 29464-3066 · (843) 501-1099
Phone(843) 501-1099
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateSeptember 18, 2018
Last NPPES UpdateFebruary 25, 20223 updates tracked since enumeration
NPPES CertifiedFebruary 25, 2022
✔ NPI 1326522194 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in SC · 25795
Also ListedRegistered NurseTaxonomy 163W00000X · License 243909 (SC)
871 LOWCOUNTRY BLVD, Mount Pleasant, SC 29464
Open in Google Maps ↗

Other Identifiers 1

Medicaid1760596480SC

Accepted Insurance

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

Mallory Darnell Pmhnp-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 ID4688052988
PECOS Enrollment IDI20220527000017
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

2

Medicare enrollment records show Mallory Darnell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Charleston Counseling Center PC
Same address
Mental Health
871 LOWCOUNTRY BLVD STE 200
Mount Pleasant, SC 29464
  • Reassigned Medicare billing, South Carolina enrollment
  • 285 clinicians in this Medicare group
NPI 1316375678 (843) 501-1099
Turnwell Mental Health Of South Carolina, PC
2.4 mi
Psychiatry
600 SEACOAST PKWY STE 200
Mt Pleasant, SC 29464
  • Reassigned Medicare billing, South Carolina enrollment
  • 12 clinicians in this Medicare group
NPI 1801660477 (843) 868-2005

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 29464 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
$83.18 typical visit price
range $53.57 – $163.84
Typical copayment $20.79 (range $13.39 – $40.96)
Most-billed visit code 99203
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 13

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

STEPHANIE NICOLE GORE LPC
Counselor (Professional)
871 LOWCOUNTRY BLVD
MOUNT PLEASANT, SC 29464
Charleston County (843) 501-1009
DR. LEAH BOEPPLE PHD
Psychologist (Clinical)
871 LOWCOUNTRY BLVD
MOUNT PLEASANT, SC 29464
Charleston County (843) 501-1009
DR. REBECCA A MCVEY PSYD, LP, NCSP, BCBA
Psychologist (Clinical)
871 LOWCOUNTRY BLVD
MOUNT PLEASANT, SC 29464
Charleston County (843) 501-1099
JENNIFER SPYCHALSKI
Health and Wellness Coach
871 LOWCOUNTRY BLVD
MOUNT PLEASANT, SC 29464
Charleston County (843) 810-1120
MS. KRISTINE MARIE BORN MA
Counselor (Professional)
871 LOWCOUNTRY BLVD
MOUNT PLEASANT, SC 29464
Charleston County (843) 501-1099
MARIALYN CHOWANSKY LPC
Counselor (Professional)
871 LOWCOUNTRY BLVD
MOUNT PLEASANT, SC 29464
Charleston County (843) 501-1099
FLAVIA FERNICOLA
Counselor (Professional)
871 LOWCOUNTRY BLVD
MOUNT PLEASANT, SC 29464
Charleston County (843) 501-1099
HELEN TRACY CONSENTINO M.A., LPC
Counselor (Professional)
871 LOWCOUNTRY BLVD
MOUNT PLEASANT, SC 29464
Charleston County (833) 803-1894

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 Mallory Darnell's NPI number?

The NPI number for Mallory Darnell is 1326522194. It was assigned to this individual provider in the NPPES registry on September 18, 2018.

Where is Mallory Darnell located?

Mallory Darnell practices at 871 Lowcountry Blvd, Mount Pleasant, SC 29464. The listed phone number is (843) 501-1099.

What is Mallory Darnell's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Mallory Darnell enrolled in Medicare?

Yes. Mallory Darnell 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 Mallory Darnell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mallory Darnell reassigns Medicare benefits to 2 organizations: Charleston Counseling Center PC (Mount Pleasant, SC) and Turnwell Mental Health Of South Carolina, PC (Mt Pleasant, SC). 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 Mallory Darnell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mallory Darnell accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina and UnitedHealthcare list Mallory Darnell 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 Mallory Darnell was last updated on February 25, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.