MRS. MARY CATHERINE GILL DNP, APRN, FNP-C
NPI 1700558079
Nurse Practitioner - Family in Charleston, SC

Active since October 04, 2021PECOS EnrolledAccepts Medicare Assignment
73.84/100
CMS Quality Rating
171 ASHLEY AVE, CHARLESTON, SC 29425(843) 792-3223 Get Directions Write a Review

NPPES record last updated: January 4, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 4, 2022, Oct 4, 2021 (2 updates tracked since 2021).

About Mrs. Mary Catherine Gill Dnp, Aprn, Fnp-c NPPES

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

MRS. MARY CATHERINE GILL DNP, APRN, FNP-C (NPI 1700558079) is an individual family provider in Charleston, South Carolina, licensed in South Carolina (25425) and active in the NPI registry since October 2021. She is enrolled in Medicare PECOS, is affiliated with Musc Medical Center, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1700558079
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. MARY CATHERINE GILLCredential: DNP, APRN, FNP-C
Location Address171 ASHLEY AVECharleston, SC 29425-0001
Mailing AddressPo Box 751461Charlotte, NC 28275-1461 · (843) 792-6200
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateOctober 4, 2021
Last NPPES UpdateJanuary 4, 20222 updates tracked since enumeration
NPPES CertifiedJanuary 4, 2022
NPI 1700558079 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in SC · 25425
171 ASHLEY AVE, Charleston, SC 29425

Other Names 1

Former Name (1)Mary Catherine Gaffney

Accepted 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

Mrs. Mary Catherine Gill Dnp, Aprn, Fnp-c 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 ID244621571
PECOS Enrollment IDI20211222000174
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 5

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.

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.
158 services106 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.
49 services39 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.
42 services38 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
16 services16 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.
12 services11 patients

Hospital Affiliations CMS Care Compare

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

Musc Medical Center

Acute Care Hospitals · Charleston, SC
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number420004
Location169 Ashley AveCharleston, SC 29425 · Charleston County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29425 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

73.84/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality60.28
Promoting Interoperability99
Improvement Activities40
Cost53.36

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.

Allergy & Immunology
171 ASHLEY AVE
CHARLESTON, SC 29425
Nurse Anesthetist, Certified Registered
171 ASHLEY AVE
CHARLESTON, SC 29425
Pathology (Anatomic Pathology)
171 ASHLEY AVE
CHARLESTON, SC 29425
Ophthalmology
171 ASHLEY AVE
CHARLESTON, SC 29425
Social Worker
171 ASHLEY AVE
CHARLESTON, SC 29425
Radiology (Pediatric Radiology)
171 ASHLEY AVE
CHARLESTON, SC 29425
Nurse Practitioner
171 ASHLEY AVE
CHARLESTON, SC 29425
Ophthalmology
171 ASHLEY AVE
CHARLESTON, SC 29425

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 Mary Catherine Gill's NPI number?

The NPI number for Mary Catherine Gill is 1700558079. It was assigned to this individual provider in the NPPES registry on October 4, 2021. The provider is also known as Mary Catherine Gaffney.

Where is Mary Catherine Gill located?

Mary Catherine Gill practices at 171 Ashley Ave, Charleston, SC 29425. The listed phone number is (843) 792-3223.

What is Mary Catherine Gill's specialty?

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

Is Mary Catherine Gill enrolled in Medicare?

Yes. Mary Catherine Gill 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.

What insurance does Mary Catherine Gill accept?

Health plans from BlueCross BlueShield of South Carolina, First Choice Next, Molina Healthcare and UnitedHealthcare list Mary Catherine Gill 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.

Is Mary Catherine Gill affiliated with any hospitals?

According to CMS data, Mary Catherine Gill is affiliated with Musc Medical Center.

When was this NPI record last updated?

The NPPES record for Mary Catherine Gill was last updated on January 4, 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.