Stacy Ann Messersmith, FNP

  • Johns Island, SC
  • Family nurse practitioner
NPI1689161598PAC ID0143576645
Medicare patients, 2024
334
Part D claims, 2024
1,720
Hospital affiliations
2
Industry payments
$128
Medical group
1
Practice address
345 Freshfields Dr Ste J101 Suite J101, Johns Island, SC 29455
Practice phone
Call (843) 768-4800
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Roper St.francis Physician Partners Primary Care

Primary care practice · Johns Island, South Carolina

See all 4 affiliations

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Stacy Ann Messersmith is a family nurse practitioner in Johns Island, South Carolina

Stacy Messersmith practices at Roper St.francis Physician Partners Primary Care in Johns Island, South Carolina.

Stacy Messersmith's NPI, 1689161598, was assigned on April 16, 2018. Stacy Messersmith holds South Carolina license 21821.

NPI and contact details
Medicare PAC ID
0143576645
NPI enumeration date
April 16, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(843) 768-4800
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
34
Medical school graduation
2018

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Stacy Ann Messersmith practices at Roper St.francis Physician Partners Primary Care in Johns Island, South Carolina

Stacy Messersmith's primary practice is Roper St.francis Physician Partners Primary Care, at 345 Freshfields Dr Ste J101 Suite J101, Johns Island, SC 29455. The practice phone is (843) 768-4800.

  • Roper St.francis Physician Partners Primary Care
    345 Freshfields Dr Ste J101 Suite J101, Johns Island, SC 29455Phone(843) 768-4800

Source: Dmand AI Affiliation Data

Stacy Ann Messersmith is affiliated with 3 sites of care and 1 medical group

Stacy Messersmith's primary practice is Roper St.francis Physician Partners Primary Care in Johns Island, South Carolina. Stacy Messersmith is also affiliated with Roper Hospital. The medical group on file is Roper St. Francis Physician Partners General Surgery. Dmand AI also links Stacy Messersmith to 1 more hospital, named with a free account.

See all 4 affiliations for Stacy Messersmith

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Stacy Ann Messersmith's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Stacy Messersmith practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Roper St.francis Physician Partners Primary CareAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Stacy Ann Messersmith is one of 3,438 family nurse practitioners in South Carolina

Family is Stacy Messersmith's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Stacy Messersmith is licensed in South Carolina.

Specialties and state licenses

  • Family nurse practitioner, South CarolinaPrimaryLicense 21821 · taxonomy 363LF0000X

Family nurse practitioners near Stacy Messersmith

Counts of family nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

3,438family nurse practitioners in South Carolina
5family nurse practitioners in Johns Island

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Stacy Ann Messersmith treated 334 Medicare patients in 2024, average age 75

CMS counts 334 Medicare patients who saw Stacy Messersmith in 2024. The largest group is 65 to 74, with 161 patients. 75% of them have high cholesterol, and 67% have high blood pressure. Their average risk score is 0.82, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Stacy Messersmith's median patient age at 73, with 60% women.

Medicare patients, 2024334
Average age75
Average risk score0.82

Stacy Messersmith's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Stacy Messersmith's Medicare patients by sex, 2024

  • Women16650%
  • Men16850%

Chronic conditions among Stacy Messersmith's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure67%
  3. Arthritis41%
  4. Ischemic heart disease26%
  5. Atrial fibrillation19%
  6. Anxiety17%
  7. Cancer16%
  8. Chronic kidney disease16%

Share of Medicare patients with each condition. A patient can have several.

Stacy Messersmith's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women60%
  • Men39%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Stacy Ann Messersmith wrote 1,720 Medicare Part D claims in 2024

In 2024, Stacy Messersmith wrote 1,720 Medicare Part D claims for 501 patients. 88% of them were for generic drugs.

Part D claims, 20241,720
Part D patients501

Stacy Messersmith's Part D claims by kind of drug, 2024

  • Generic1,518 claims88%
  • Brand-name and other202 claims12%

Drug classes CMS tracks in Stacy Messersmith's Part D claims, 2024

  • Antibiotics3%50 of 1,720 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Stacy Ann Messersmith offers telehealth to Medicare patients

Stacy Messersmith accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Stacy Messersmith as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Stacy Ann Messersmith received $128 in industry payments in 2025

CMS Open Payments shows 6 general payments to Stacy Messersmith from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $44.

Companies that paid Stacy Messersmith the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Stacy Messersmith

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Stacy Ann Messersmith's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Stacy Ann Messersmith

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Stacy Ann Messersmith's NPI number?

Stacy Ann Messersmith's NPI number is 1689161598. It was assigned on April 16, 2018, and it is active in the NPI Registry.

What does Stacy Ann Messersmith specialize in?

Stacy Ann Messersmith is a family nurse practitioner in Johns Island, South Carolina. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).

Where does Stacy Ann Messersmith practice?

Stacy Messersmith practices at 345 Freshfields Dr Ste J101 Suite J101, Johns Island, SC 29455. Stacy Messersmith's primary practice is Roper St.francis Physician Partners Primary Care in Johns Island, South Carolina. Dmand AI also links Stacy Messersmith to 1 hospital.

What is Stacy Ann Messersmith's office phone number?

The practice phone on file for Stacy Messersmith is (843) 768-4800.

What is Stacy Ann Messersmith's medical license number?

Stacy Messersmith holds South Carolina license 21821.

Which hospitals is Stacy Ann Messersmith affiliated with?

Stacy Messersmith is affiliated with Roper Hospital. Dmand AI links Stacy Messersmith to 1 more hospital.

What medical group is Stacy Ann Messersmith part of?

Stacy Messersmith is linked to Roper St. Francis Physician Partners General Surgery.

Does Stacy Ann Messersmith accept Medicare?

Yes. CMS lists Stacy Messersmith as accepting Medicare assignment.

Does Stacy Ann Messersmith offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Stacy Messersmith as offering telehealth services.

How many Medicare patients does Stacy Ann Messersmith see?

CMS counts 334 Medicare patients who saw Stacy Messersmith in 2024, with an average age of 75.

Has Stacy Ann Messersmith received payments from drug or device companies?

CMS Open Payments shows $128 in general payments to Stacy Messersmith from 4 companies from 2025 to 2025. The largest total came from Pfizer Inc.

How long has Stacy Ann Messersmith been practicing?

Stacy Messersmith graduated from medical school in 2018, 8 years ago.

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