Doctor profile · Federal record
Dr. Maria Jennifer Diaz, C.R.N.P.
Nurse Practitioner · Nurse Practitioner · Adult Health Nurse Practitioner · Charleston, SC
- NPI 1952338733
- Accepts Medicare
- MIPS 73.8 / 100 · 2023
- 24 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
171 Ashley Avenue
Charleston, SC 29425
(843) 792-1414 - Additional location
-
600 N Wolfe St
Baltimore, MD 212870005
(410) 955-5464 - Mailing address
-
Po Box 751461
Charlotte, NC 282751461
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- August 14, 2018
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State licenses (2)
- South Carolina #22031 · Maryland #R112353
- Medicaid
- MD #402803100
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1952338733. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
78
Distinct HCPCS
4
Medicare allowed
$5,290
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 39 | 39 | $53 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 14 | 14 | $67 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 14 | 14 | $79 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 11 | 11 | $107 |
In context: peer comparison
Among 40 peers in this city , average services per provider: 85. This provider delivers 0.9× the peer median.Frequently asked questions
What is Dr. Maria Jennifer Diaz's medical specialty?
Dr. Maria Jennifer Diaz practices Nurse Practitioner in Charleston, SC.
Where does Dr. Maria Jennifer Diaz practice?
Dr. Maria Jennifer Diaz practices at 171 Ashley Avenue, Charleston, SC 29425. Office phone: 8437921414.
What is Dr. Maria Jennifer Diaz's NPI?
Dr. Maria Jennifer Diaz's National Provider Identifier (NPI) is 1952338733, issued by NPPES.
Does Dr. Maria Jennifer Diaz accept Medicare assignment?
Yes. Dr. Maria Jennifer Diaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Jennifer Diaz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.