Doctor profile · Federal record
Dr. Mary Catherine Gill, DNP, APRN, FNP-C
Family Nurse Practitioner (CMS: Nurse Practitioner) · Charleston, SC
- NPI 1700558079
- Accepts Medicare
- MIPS 73.8 / 100 · 2023
- 5 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
171 Ashley Ave
Charleston, SC 294250001
(843) 792-3223 - Mailing address
-
Po Box 751461
Charlotte, NC 282751461
Credentials & registration
- NPI registered
- October 2021 — 5 yrs on file
- Profile last updated
- January 4, 2022
- Year of graduation
- 2021 — 5 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- South Carolina #25425
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1700558079. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
267
Distinct HCPCS
4
Medicare allowed
$24,340
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 163 | 104 | $97 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 52 | 38 | $79 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 36 | 32 | $68 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 16 | 13 | $123 |
In context: peer comparison
Among 70 peers in this city , average services per provider: 309. This provider delivers 0.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,171
Patients
403
Total drug cost
$1,025,722
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levetiracetam | Generic | 456 | 111 | $31,469 |
| Lacosamide | Generic | 289 | 49 | $81,449 |
| Lamotrigine | Generic | 276 | 56 | $7,929 |
| Xcopri (Cenobamate) | Brand | 225 | 30 | $392,483 |
| Clobazam | Generic | 142 | 25 | $33,325 |
| Zonisamide | Generic | 133 | 35 | $8,375 |
| Clonazepam | Generic | 129 | 23 | $2,293 |
| Topiramate | Generic | 100 | 23 | $2,924 |
| Oxcarbazepine | Generic | 93 | 21 | $8,320 |
| Gabapentin | Generic | 72 | 19 | $1,377 |
Frequently asked questions
What is Dr. Mary Catherine Gill's medical specialty?
Dr. Mary Catherine Gill practices Family Nurse Practitioner in Charleston, SC.
Where does Dr. Mary Catherine Gill practice?
Dr. Mary Catherine Gill practices at 171 Ashley Ave, Charleston, SC 294250001. Office phone: 8437923223.
What is Dr. Mary Catherine Gill's NPI?
Dr. Mary Catherine Gill's National Provider Identifier (NPI) is 1700558079, issued by NPPES.
Does Dr. Mary Catherine Gill accept Medicare assignment?
Yes. Dr. Mary Catherine Gill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Catherine Gill commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.