Crystal Suzanne Mullinax, FNP
Family Nurse Practitioner · Greenville, SC
Crystal Suzanne Mullinax, FNP is a family nurse practitioner with a practice address in Greenville, South Carolina, and NPI 1013473107, issued on Feb 14, 2019. Check the license (South Carolina 22421, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Crystal Suzanne Mullinax
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 22421 SC
Self-reported in NPPES; status is on the state search - Practice location
- 701 Grove RD, Greenville, SC 29605
- Phone
- (864) 455-3287
- Enumerated
- Feb 14, 2019
- Record last updated
- Feb 7, 2024
- Fax
- (864) 455-5723
- Medicaid ID
- NP5880 SC
- Medicare enrollment
- Enrolled (PECOS I20190409000911); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,320 in South Carolina → Look up another NPI →
Also registered at 701 Grove RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Crystal Suzanne Mullinax 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 22421Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average family nurse practitioner in 2024
157 Medicare Part D claims for 38 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 18 claims were for opioids.
Most prescribed
- Biktarvy17 claims
- Duloxetine Hcl11 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.
Industry payments in 2024: $44.34
2 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Prisma Health University Medical GroupGreenville, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Crystal Suzanne Mullinax among 4,320 family nurse practitioner records in South Carolina
Crystal Suzanne Mullinax, FNP is one of 4,320 family nurse practitioner records with a practice address in South Carolina. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 54% of them.
- NPI issued2019 · 54% of these records are older, 38% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2018 · median 2018 among the 2,643 with a school on file
- Record last updated2024 · 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 363LF0000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
514 family nurse practitioner records list a practice address in Greenville
They are 514 of the 10,264 NPPES records with a practice address in Greenville, and 4,320 family nurse practitioner records in South Carolina.
All 4,320 in South Carolina → Every provider in Greenville → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Christine Barbrey, FNPGreenville, SC 296051861435968
- Mark Boswell, FNPGreenville, SC 296051194752964
- Misti Burgess, FNPGreenville, SC 296051538140025
- Jennifer Fox, NPGreenville, SC 296051033114798
- Jonathan Frazier, NPGreenville, SC 296051558327528
- Carolyn Gentles, FNPGreenville, SC 296051588654792
- Susan Kanipe, FNPGreenville, SC 296051881647998
- Brandy Kennedy, NDGreenville, SC 296051578532040
Common questions
What is Crystal Suzanne Mullinax, FNP's NPI number?
Crystal Suzanne Mullinax, FNP's National Provider Identifier (NPI) is 1013473107, issued on Feb 14, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Crystal Suzanne Mullinax, FNP located?
The NPPES record lists a practice address at 701 Grove RD, Greenville, SC, 29605. Phone: (864) 455-3287. Providers update this record themselves, so call before visiting.
How can I verify Crystal Suzanne Mullinax, FNP's license?
NPPES lists South Carolina license number 22421, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Crystal Suzanne Mullinax, FNP prescribe under Medicare Part D?
In 2024, Crystal Suzanne Mullinax, FNP had 157 Medicare Part D claims for 38 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
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.