NPPES file of Aug 9, 2026

Mary Margaret Humphreys-Sprague, DNP

Gerontology Nurse Practitioner · Jacksonville, NC

Mary Margaret Humphreys-Sprague, DNP is a gerontology nurse practitioner with a practice address in Jacksonville, North Carolina, and NPI 1730815259, issued on Jul 27, 2022. Check the license (North Carolina 5016350, as entered in NPPES) with the North Carolina board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1730815259
Name
Mary Margaret Humphreys-Sprague
Credential
DNP
Primary taxonomy
Gerontology Nurse Practitioner 363LG0600X
License number
5016350 NC
Self-reported in NPPES; status is on the state search
Practice location
Carolina Rivers Nursing And Rehabilitation, Jacksonville, NC 28540
Phone
(910) 455-3610
Enumerated
Jul 27, 2022
Record last updated
Jan 20, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Verify Mary Margaret Humphreys-Sprague in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich North Carolina board licenses this profession
    Search for license 5016350
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the North Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

64% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024

499 Medicare Part D claims for 74 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. 97 claims were for opioids.

  1. Mary Humphreys-Sprague499
  2. Specialty average1,369

Most prescribed

  1. Tramadol Hcl29 claims
  2. Gabapentin26 claims
  3. Furosemide22 claims
  4. Oxycodone Hcl22 claims
  5. Lorazepam19 claims
  6. Hydrocodone-Acetaminophen18 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.

Mary Margaret Humphreys-Sprague among 317 gerontology nurse practitioner records in North Carolina

Mary Margaret Humphreys-Sprague, DNP is one of 317 gerontology nurse practitioner records with a practice address in North Carolina. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 69% of them.

  • NPI issued2022 · 69% of these records are older, 23% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2025 · 36% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gerontology Nurse Practitioner providers in North Carolina

There are 317 gerontology nurse practitioner records in North Carolina.

The 8 gerontology nurse practitioner records with the nearest ZIP codes

  1. Kristin Trowbridge, NPJacksonville, NC 285401104603745
  2. Jennifer Green, AGNP-CJacksonville, NC 285461649075359
  3. Tracie Lancaster, AGNP-CJacksonville, NC 285461629791439
  4. Bryana Smith, AGPCNP-BCJacksonville, NC 285461952295651
  5. Morgan WoodruffJacksonville, NC 285461730891466
  6. Tara McGinnis, NPCamp Lejeune, NC 285471811613524
  7. Susan Smith, CRNPCamp Lejeune, NC 285481336144252
  8. Shannon GillikinNew Bern, NC 285621720950256

Common questions

What is Mary Margaret Humphreys-Sprague, DNP's NPI number?

Mary Margaret Humphreys-Sprague, DNP's National Provider Identifier (NPI) is 1730815259, issued on Jul 27, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Mary Margaret Humphreys-Sprague, DNP located?

The NPPES record lists a practice address at Carolina Rivers Nursing And Rehabilitation, Jacksonville, NC, 28540. Phone: (910) 455-3610. Providers update this record themselves, so call before visiting.

How can I verify Mary Margaret Humphreys-Sprague, DNP's license?

NPPES lists North Carolina license number 5016350, as entered by the provider. Search the North Carolina board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Margaret Humphreys-Sprague, DNP prescribe under Medicare Part D?

In 2024, Mary Margaret Humphreys-Sprague, DNP had 499 Medicare Part D claims for 74 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. 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.