Martha Sullivan, CNP CERTIFIED NURSE
NPI 1932212800 · Nurse Practitioner · Rockford, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martha Sullivan, CNP CERTIFIED NURSE is a Nurse Practitioner provider in Rockford, IL (NPI 1932212800).
Provider details
- NPI number
- 1932212800
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNP CERTIFIED NURSE
- Sex
- Female
- Sole proprietor
- No
- License
- 209001036 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
50 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 34 | $148 |
| Residence Visit for New Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 75 Minutes99345 | 16 | $161 |
Typical Medicare-allowed amounts for these services range $148–$161 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-16
- Last updated
- 2014-01-29
Frequently asked questions
- What is Martha Sullivan's NPI number?
- Martha Sullivan's National Provider Identifier (NPI) is 1932212800, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Sullivan's specialty?
- Martha Sullivan is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Martha Sullivan located?
- Martha Sullivan's practice location on file with NPPES is 2300 N Rockton Ave, Rockford, IL 61103-3619.
- What is Martha Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Martha Sullivan is (815) 971-2000.
- Does Martha Sullivan accept Medicare?
- Martha Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martha Sullivan's NPI active?
- Yes — Martha Sullivan's NPI (1932212800) is active in the NPPES registry as of the last update on 2014-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.