Mary Margaret Brown, FNP
Nurse Practitioner · North Charleston, SC
Mary Margaret Brown, FNP is a nurse practitioner with a practice address in North Charleston, South Carolina, and NPI 1932179843, issued on Jan 24, 2006. Check the license with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Margaret Brown
- Credential
- FNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 209009217 IL
472041 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3600 Rivers Ave, North Charleston, SC 29405
- Phone
- (843) 574-8900
- Enumerated
- Jan 24, 2006
- Record last updated
- Jun 11, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120210000582); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 3600 Rivers Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kris Belland, D.O.Family Medicine Physician1225017577
- Laura Black, PHARMACISTPharmacist1306035324
- Rachel Bullington, PHARMDPharmacist1356676399
- Richard Donnelly, RPHPharmacist1578543773
- Sonya Fortner, OCC THRAPISTOccupational Therapist1073583043
- Stephen Greenwood, HEALTH TECHOther Technician1407096191
Verify Mary Margaret Brown in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Carolina board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average nurse practitioner in 2024
201 Medicare Part D claims for 152 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Methylprednisolone39 claims
- Cephalexin28 claims
- Prednisone12 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): 100 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).
Industry payments in 2024: $124.94
1 payment: food and beverage; the largest payer was Neurelis, Inc. The 38,884 providers of this specialty with any payment received $791.64 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
- Vituity - Illinois Auc LLPO Fallon, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
25 nurse practitioner records list a practice address in North Charleston
They are 25 of the 1,964 NPPES records with a practice address in North Charleston, and 1,263 nurse practitioner records in South Carolina.
All 25 in North Charleston → All 1,263 in South Carolina → Every provider in North Charleston →
Other nurse practitioner records in South Carolina
- Connie Abbott, ARNP BCDue West, SC1568427540
- Michelle Abel, PNP-PCSpartanburg, SC1639977762
- Margaret Acres, APRNGreenville, SC1700086840
- Erica Adams, FNP-BCLancaster, SC1659176048
- Jeremy Adams, FNP-CFort Mill, SC1568942696
- Mary Adler, NPCharleston, SC1760790075
- Ileen AikenGreenville, SC1861989147
- Sheryl Aiken, DNPMurrells Inlet, SC1902327554
- Tara Alewine, DNPCharleston, SC1316644875
- Ann Alexander, RN MN CFNPLexington, SC1205829348
Common questions
What is Mary Margaret Brown, FNP's NPI number?
Mary Margaret Brown, FNP's National Provider Identifier (NPI) is 1932179843, issued on Jan 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Margaret Brown, FNP located?
The NPPES record lists a practice address at 3600 Rivers Ave, North Charleston, SC, 29405. Phone: (843) 574-8900. Providers update this record themselves, so call before visiting.
How can I verify Mary Margaret Brown, FNP's license?
Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Margaret Brown, FNP prescribe under Medicare Part D?
In 2024, Mary Margaret Brown, FNP had 201 Medicare Part D claims for 152 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Mary Margaret Brown, FNP's MIPS final score?
The 2023 MIPS final score is 100 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.