Martha J. Sullivan, CNP CERTIFIED NURSE
Nurse Practitioner · Rockford, IL
Martha J. Sullivan, CNP CERTIFIED NURSE is a nurse practitioner with a practice address in Rockford, Illinois, and NPI 1932212800, issued on Aug 16, 2006. Check the license (Illinois 209001036, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Martha J. Sullivan
- Credential
- CNP CERTIFIED NURSE
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 209001036 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2300 N Rockton Ave, Rockford, IL 61103
- Phone
- (815) 971-2000
- Enumerated
- Aug 16, 2006
- Record last updated
- Jan 29, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →
Also registered at 2300 N Rockton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Martha J. Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209001036Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average nurse practitioner in 2024
68 Medicare Part D claims for 14 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
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.
Martha J. Sullivan among 4,892 nurse practitioner records in Illinois
Martha J. Sullivan, CNP CERTIFIED NURSE is one of 4,892 nurse practitioner records with a practice address in Illinois. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 89% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2014 · 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 363L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
129 nurse practitioner records list a practice address in Rockford
They are 129 of the 3,893 NPPES records with a practice address in Rockford, and 4,892 nurse practitioner records in Illinois.
All 4,892 in Illinois → Every provider in Rockford → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Heather Hartman, CNPRockford, IL 611031598878464
- Stacy Hazelton, NPRockford, IL 611031740421916
- Meghan Hess, APRNRockford, IL 611031770854085
- Cynthia Jack, NPRockford, IL 611031710222807
- Lisa Larson, APRNRockford, IL 611031770643397
- Maxita Pinawin, NPRockford, IL 611031669416095
- Jessica Prenot, NPRockford, IL 611031104795954
- Stacy Vanvleet, NPRockford, IL 611031689734204
Common questions
What is Martha J. Sullivan, CNP CERTIFIED NURSE's NPI number?
Martha J. Sullivan, CNP CERTIFIED NURSE's National Provider Identifier (NPI) is 1932212800, issued on Aug 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Martha J. Sullivan, CNP CERTIFIED NURSE located?
The NPPES record lists a practice address at 2300 N Rockton Ave, Rockford, IL, 61103. Phone: (815) 971-2000. Providers update this record themselves, so call before visiting.
How can I verify Martha J. Sullivan, CNP CERTIFIED NURSE's license?
NPPES lists Illinois license number 209001036, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Martha J. Sullivan, CNP CERTIFIED NURSE prescribe under Medicare Part D?
In 2024, Martha J. Sullivan, CNP CERTIFIED NURSE had 68 Medicare Part D claims for 14 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.