Stacy Ann Messersmith, FNP
Family Nurse Practitioner · Johns Island, SC
Stacy Ann Messersmith, FNP is a family nurse practitioner with a practice address in Johns Island, South Carolina, and NPI 1689161598, issued on Apr 16, 2018. Check the license (South Carolina 21821, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stacy Ann Messersmith
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 21821 SC
Self-reported in NPPES; status is on the state search - Practice location
- 345 Freshfields Dr Ste J101, Johns Island, SC 29455
- Phone
- (843) 768-4800
- Enumerated
- Apr 16, 2018
- Record last updated
- Mar 10, 2026
- Medicaid ID
- NP5242 SC
- Medicare enrollment
- Enrolled (PECOS I20180712002022); 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 345 Freshfields Dr Ste J101
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Arthur Oliphant, PAPhysician Assistant1740780147
- Sasha Perez, M.D.Family Medicine Physician1720467525
- Sarah Relyea-Logan, MDFamily Medicine Physician1043292576
Verify Stacy Ann Messersmith 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 21821Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% more Medicare Part D claims than the average family nurse practitioner in 2024
1,720 Medicare Part D claims for 501 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium161 claims
- Rosuvastatin Calcium96 claims
- Levothyroxine Sodium92 claims
- Amlodipine Besylate88 claims
- Lisinopril84 claims
- Losartan Potassium64 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: $217.31
10 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. 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
- Roper Saint Francis Physicians NetworkMt Pleasant, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stacy Ann Messersmith among 4,320 family nurse practitioner records in South Carolina
Stacy Ann Messersmith, 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 2018, is newer than 48% of them.
- NPI issued2018 · 48% of these records are older, 46% 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 updated2026 · 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).
8 family nurse practitioner records list a practice address in Johns Island
They are 8 of the 205 NPPES records with a practice address in Johns Island, and 4,320 family nurse practitioner records in South Carolina.
All 4,320 in South Carolina → Every provider in Johns Island → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Claire Abel, NPJohns Island, SC 294551841022928
- Cheryl Allen, APRNJohns Island, SC 294551053840769
- Jacqueline Baer, FNP-CJohns Island, SC 294551952351173
- Misti Borgestad, FNP, CNMJohns Island, SC 294551215222898
- Patricia Coleman, FNPJohns Island, SC 294551215262191
- Whitney Patterson, FNPJohns Island, SC 294551649801697
- Connie Phillip, FNP-CJohns Island, SC 294551720562416
- Melissa Baatz, FNPLadson, SC 294561740627967
Common questions
What is Stacy Ann Messersmith, FNP's NPI number?
Stacy Ann Messersmith, FNP's National Provider Identifier (NPI) is 1689161598, issued on Apr 16, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Stacy Ann Messersmith, FNP located?
The NPPES record lists a practice address at 345 Freshfields Dr Ste J101, Johns Island, SC, 29455. Phone: (843) 768-4800. Providers update this record themselves, so call before visiting.
How can I verify Stacy Ann Messersmith, FNP's license?
NPPES lists South Carolina license number 21821, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Stacy Ann Messersmith, FNP prescribe under Medicare Part D?
In 2024, Stacy Ann Messersmith, FNP had 1,720 Medicare Part D claims for 501 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.