NPPES file of Aug 9, 2026

Mary E. Royce, ACNP-BC

Acute Care Nurse Practitioner · Springfield, IL

Mary E. Royce, ACNP-BC is an acute care nurse practitioner with a practice address in Springfield, Illinois, and NPI 1508070442, issued on May 10, 2007. Check the license (Illinois 209-005642, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1508070442
Name
Mary E. Royce
Credential
ACNP-BC
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
209-005642 IL
Self-reported in NPPES; status is on the state search
Practice location
1025 S 6TH St, Springfield, IL 62703
Phone
(217) 528-7541
Enumerated
May 10, 2007
Record last updated
Oct 29, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20080618000491); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest acute care nurse practitioner records → All 639 in Illinois → Look up another NPI →

Also registered at 1025 S 6TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Arun Abraham, MDFamily Medicine Physician1508020546
  2. Philip Abraham, M.D.Pulmonary Disease Physician1548375629
  3. Jeffrey Adkins, CRNACertified Registered Nurse Anesthetist1992793954
  4. Deborah Albright, M.D.Internal Medicine Physician1639145360
  5. Stanley Allen, M.D.Internal Medicine Physician1285631127
  6. Jessica Alwerdt, PHYSICIAN ASSISTANTPhysician Assistant1669706057

Verify Mary E. Royce in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 209-005642    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 Illinois 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.

Bills Medicare through one group practice

  1. Springfield Clinic, LLPSpringfield, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mary E. Royce among 639 acute care nurse practitioner records in Illinois

Mary E. Royce, ACNP-BC is one of 639 acute care nurse practitioner records with a practice address in Illinois. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 6% of them.

  • NPI issued2007 · 6% of these records are older, 90% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2001 · median 2017 among the 434 with a school on file
  • Record last updated2020 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in Illinois

There are 639 acute care nurse practitioner records in Illinois.

All 639 in Illinois → Every provider in Springfield → Acute Care Nurse Practitioner nationwide →

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Pamela Brodt, ACNP-BCSpringfield, IL 627031982737789
  2. Beth Phelps, ACNPSpringfield, IL 627031740220771
  3. Mary Atwood, R.N., ACNPSpringfield, IL 627021811945314
  4. Andrea Bond, AGACNPSpringfield, IL 627021629818638
  5. Leighanne Bonnett, APRNSpringfield, IL 627021083470983
  6. Stacey Graven, ACNP-BCSpringfield, IL 627021881840791
  7. Madeleine Heckenkamp, APRN, CNPSpringfield, IL 627021063818094
  8. Kathleen Montgomery, MSN, APRN, AGACNP-BCSpringfield, IL 627021346832011

Common questions

What is Mary E. Royce, ACNP-BC's NPI number?

Mary E. Royce, ACNP-BC's National Provider Identifier (NPI) is 1508070442, issued on May 10, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mary E. Royce, ACNP-BC located?

The NPPES record lists a practice address at 1025 S 6TH St, Springfield, IL, 62703. Phone: (217) 528-7541. Providers update this record themselves, so call before visiting.

How can I verify Mary E. Royce, ACNP-BC's license?

NPPES lists Illinois license number 209-005642, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.