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DR. MARY MARGARET HUMPHREYS-SPRAGUE DNP
NPI 1730815259
Nurse Practitioner - Gerontology in Jacksonville, NC

Active since July 27, 2022PECOS Enrolled
CAROLINA RIVERS NURSING AND REHABILITATION, 1839 ONSLOW DR, JACKSONVILLE, NC 28540(910) 455-3610 Get Directions Write a Review

NPPES record last updated: January 20, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Mary Margaret Humphreys-sprague Dnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARY MARGARET HUMPHREYS-SPRAGUE DNP (NPI 1730815259) is an individual gerontology provider in Jacksonville, North Carolina, licensed in North Carolina (5016350) and active in the NPI registry since July 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1730815259
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameDR. MARY MARGARET HUMPHREYS-SPRAGUECredential: DNP
Location AddressCAROLINA RIVERS NURSING AND REHABILITATION, 1839 ONSLOW DRJacksonville, NC 28540
Mailing Address278 Skippers LnNew Bern, NC 28562-6579 · (252) 876-1448
Phone(910) 455-3610
Sole ProprietorNo
Enumeration DateJuly 27, 2022
Last NPPES UpdateJanuary 20, 2025
NPPES CertifiedJanuary 20, 2025
✔ NPI 1730815259 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License✔ Licensed in NC · 5016350
CAROLINA RIVERS NURSING AND REHABILITATION, Jacksonville, NC 28540
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mary Margaret Humphreys-sprague Dnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Mary Humphreys-sprague reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Inpatient Consultants Of North Carolina, PC
195 mi
Internal Medicine
1285 W A ST
Kannapolis, NC 28081
  • Reassigned Medicare billing, North Carolina enrollment
  • 160 clinicians in this Medicare group
NPI 1669422846 (704) 932-0000
Cs Pacs 3 Southeast, LLC
277 mi
Hospitalist
1600 BLAND ST
Bluefield, WV 24701
  • Reassigned Medicare billing, North Carolina enrollment
  • 181 clinicians in this Medicare group
NPI 1154104958 (304) 327-2485
Nm Pacs 2 LLC
1,651 mi
Hospitalist
10101 LAGRIMA DE ORO RD NE
Albuquerque, NM 87111
  • Reassigned Medicare billing, North Carolina enrollment
  • 155 clinicians in this Medicare group
NPI 1366928749 (865) 693-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
163 services59 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
122 services63 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
65 services30 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
24 services19 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
20 services20 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
19 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 28540 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$83.90 typical visit price
range $54.12 – $165.09
Typical copayment $20.97 (range $13.53 – $41.27)
Most-billed visit code 99203
Established Patient
$95.94 typical visit price
range $17.21 – $134.61
Typical copayment $23.98 (range $4.30 – $33.65)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Humphreys-sprague's NPI number?

The NPI number for Mary Humphreys-sprague is 1730815259. It was assigned to this individual provider in the NPPES registry on July 27, 2022.

Where is Mary Humphreys-sprague located?

Mary Humphreys-sprague practices at Carolina Rivers Nursing And Rehabilitation 1839 Onslow Dr, Jacksonville, NC 28540. The listed phone number is (910) 455-3610.

What is Mary Humphreys-sprague's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Is Mary Humphreys-sprague enrolled in Medicare?

Yes. Mary Humphreys-sprague is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mary Humphreys-sprague's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Humphreys-sprague reassigns Medicare benefits to 3 organizations: Inpatient Consultants Of North Carolina, PC (Kannapolis, NC), Cs Pacs 3 Southeast, LLC (Bluefield, WV) and Nm Pacs 2 LLC (Albuquerque, NM). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Humphreys-sprague's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mary Humphreys-sprague was last updated on January 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.