MARY E. HOLLIDAY NP
NPI 1780775239
Nurse Practitioner in Charleston, SC

Q: What is Mary Holliday's NPI number?

The NPI number for Mary Holliday is 1780775239. It was assigned to this individual provider in the NPPES registry on September 28, 2006. The provider is also known as Mary E. Kiley Np.

Q: What is Mary Holliday's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Mary Holliday was last updated on April 28, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since September 28, 2006PECOS EnrolledAccepts Medicare Assignment

325 FOLLY RD STE 102A, CHARLESTON, SC 29412(843) 724-2011(843) 606-7911 Get Directions Write a Review

NPPES record last updated: April 28, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 28, 2026, Oct 29, 2020, May 20, 2020 and 1 more (4 updates tracked since 2017).

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About Mary E. Holliday Np NPPES

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

MARY E. HOLLIDAY NP (NPI 1780775239) is an individual nurse practitioner in Charleston, South Carolina, licensed in South Carolina (19679) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, is affiliated with Bon Secours-st Francis Xavier Hospital, and maintains a secondary practice location in Charleston.

NPPES Registry Identity

NPI1780775239

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMARY E. HOLLIDAYCredential: NP

Location Address325 FOLLY RD STE 102ACharleston, SC 29412-2507

Mailing AddressPo Box 751649Charlotte, NC 28275-1649 · (888) 472-0043 · Fax (843) 724-2440

Phone(843) 724-2011

Fax(843) 606-7911

Sole ProprietorNo

Medical School CMSOtherGraduated 2006

Enumeration DateSeptember 28, 2006

Last NPPES UpdateApril 28, 20264 updates tracked since enumeration

NPPES CertifiedApril 28, 2026

✔ NPI 1780775239 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in SC · 19679

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

325 FOLLY RD STE 102A, Charleston, SC 29412

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Other Names 1

Former Name (1)Mary E. Kiley Np

Secondary Practice Location 1

Location 12093 Henry Tecklenburg Dr Ste 300ECharleston, SC 29414-5743 · Phone (843) 724-2011 · Fax (843) 606-7991

Other Identifiers 1

MedicaidNP4562SC

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include First Choice Next.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mary E. Holliday Np 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 ID2365519154

PECOS Enrollment IDI20170714000198

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.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

391 services147 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

281 services106 patients

Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251

This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.

156 services54 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

98 services60 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

60 services59 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

53 services45 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Bon Secours-St Francis Xavier Hospital

Acute Care Hospitals · Charleston, SC

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420065

Location2095 Henry Tecklenburg DriveCharleston, SC 29414 · Charleston County

Emergency services Birthing friendly

Roper Hospital

Acute Care Hospitals · Charleston, SC

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420087

Location316 Calhoun StCharleston, SC 29401 · Charleston County

Emergency services

Roper St Francis Hospital-Berkeley Inc

Acute Care Hospitals · Summerville, SC

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420110

Location300 Callen BlvdSummerville, SC 29486 · Dorchester County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29412 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.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of insulin infusion catheter, per week A4224

DME-Other DME · category DE017N

9 suppliers36 claims418 services$18.24 avg. paid by Medicare

Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225

DME-Other DME · category DE017N

9 suppliers37 claims1,215 services$2.32 avg. paid by Medicare

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

15 suppliers28 claims126 services$5.42 avg. paid by Medicare

External ambulatory infusion pump, insulin E0784

DME-Other DME · category DE017N

3 suppliers23 claims23 services$286.06 avg. paid by Medicare

Insulin for administration through dme (i.e., insulin pump) per 50 units J1817

Treatment-Injections and Infusions (nononcologic) · category RI000N

6 suppliers24 claims3,060 services$7.29 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

17 suppliers329 claims330 services$185.17 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 10

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

ROSALYN MARIE HALDEMAN PA

Physician Assistant