Maria Jennifer Francis Diaz, C.R.N.P.
Nurse Practitioner · Charleston, SC
Maria Jennifer Francis Diaz, C.R.N.P. is a nurse practitioner with a practice address in Charleston, South Carolina, and NPI 1952338733, issued on Jun 27, 2006. Check the license (South Carolina 22031, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maria Jennifer Francis Diaz
- Credential
- C.R.N.P.
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 22031 SC
R112353 MD
Self-reported in NPPES; status is on the state search - Practice location
- 171 Ashley Avenue, Charleston, SC 29425
- Phone
- (843) 792-1414
- Enumerated
- Jun 27, 2006
- Record last updated
- Aug 14, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid ID
- 402803100 MD
- Medicare enrollment
- Enrolled (PECOS I20181002001647); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,263 in South Carolina → Look up another NPI →
Also registered at 171 Ashley Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Maria Jennifer Francis Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
Search for license 22031Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average nurse practitioner in 2024
13 Medicare Part D claims, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University Medical Associates OF The Medical University OF South CarolCharleston, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Jennifer Francis Diaz among 1,263 nurse practitioner records in South Carolina
Maria Jennifer Francis Diaz, C.R.N.P. is one of 1,263 nurse practitioner records with a practice address in South Carolina. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 83% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2002 · median 2018 among the 791 with a school on file
- Record last updated2018 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
220 nurse practitioner records list a practice address in Charleston
They are 220 of the 10,840 NPPES records with a practice address in Charleston, and 1,263 nurse practitioner records in South Carolina.
All 1,263 in South Carolina → Every provider in Charleston → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Laura Bates, NPCharleston, SC 294251255360665
- Denise Bradshaw, FNP-BCCharleston, SC 294251760449649
- Catherine Durham, FNPCharleston, SC 294251417932104
- Tina Dvoren-Baker, N.P.Charleston, SC 294251336100254
- Kelli Garber, CRNPCharleston, SC 294251215922166
- Sarah Gay, ACNPCharleston, SC 294251184671539
- Randi Hoffmann, R.N.Charleston, SC 294251265419857
- Catherine Keller-Warner, NPCharleston, SC 294251962451278
Common questions
What is Maria Jennifer Francis Diaz, C.R.N.P.'s NPI number?
Maria Jennifer Francis Diaz, C.R.N.P.'s National Provider Identifier (NPI) is 1952338733, issued on Jun 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maria Jennifer Francis Diaz, C.R.N.P. located?
The NPPES record lists a practice address at 171 Ashley Avenue, Charleston, SC, 29425. Phone: (843) 792-1414. Providers update this record themselves, so call before visiting.
How can I verify Maria Jennifer Francis Diaz, C.R.N.P.'s license?
NPPES lists South Carolina license number 22031, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Maria Jennifer Francis Diaz, C.R.N.P. prescribe under Medicare Part D?
In 2024, Maria Jennifer Francis Diaz, C.R.N.P. had 13 Medicare Part D claims; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Maria Jennifer Francis Diaz, C.R.N.P.'s MIPS final score?
The 2023 MIPS final score is 73.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.