Molly C. Grosvenor, NP
Family Nurse Practitioner · Rockford, IL
Molly C. Grosvenor, NP is a family nurse practitioner with a practice address in Rockford, Illinois, and NPI 1336634179, issued on Jun 25, 2018. Check the license (Illinois 209017805, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Molly C. Grosvenor
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 209017805 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2300 N Rockton Ave, Rockford, IL 61103
- Phone
- (815) 971-2777
- Enumerated
- Jun 25, 2018
- Record last updated
- Aug 28, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (815) 971-9864
- Medicaid ID
- 1336634179 WI
- Medicare enrollment
- Enrolled (PECOS I20180814001298); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 7,639 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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- Jessica Barr, APRN,BCFamily Nurse Practitioner1124181664
Verify Molly C. Grosvenor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209017805Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average family nurse practitioner in 2024
222 Medicare Part D claims for 74 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 57% of claims.
Most prescribed
- Ultra-Fine Mini Pen Needle50 claims
- Lantus Solostar43 claims
- Humalog Kwikpen U-10016 claims
- Novolog Flexpen16 claims
- Basaglar Kwikpen U-10015 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.
Industry payments in 2024: $340.57
4 payments; by number, the most common kind was food and beverage; the largest payer was Dexcom, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Central Dupage Physician GroupCrystal Lake, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Molly C. Grosvenor among 7,639 family nurse practitioner records in Illinois
Molly C. Grosvenor, NP is one of 7,639 family nurse practitioner records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 44% of them.
- NPI issued2018 · 44% of these records are older, 49% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2018 · median 2018 among the 4,778 with a school on file
- Record last updated2020 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
236 family nurse practitioner records list a practice address in Rockford
They are 236 of the 3,893 NPPES records with a practice address in Rockford, and 7,639 family nurse practitioner records in Illinois.
All 7,639 in Illinois → Every provider in Rockford → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Alex Ariri, NPRockford, IL 611031033493929
- Jessica Barr, APRN,BCRockford, IL 611031124181664
- Constance Blaisdell, NPRockford, IL 611031588135529
- Jennifer Boomer, APNRockford, IL 611031861901316
- Andrea Bowmar, APN, CNPRockford, IL 611031811382427
- Renee Dahm, NPRockford, IL 611031811302409
- Antoinette Ellingson, C.N.P.Rockford, IL 611031215144951
- Sarah GurneyRockford, IL 611031669800587
Common questions
What is Molly C. Grosvenor, NP's NPI number?
Molly C. Grosvenor, NP's National Provider Identifier (NPI) is 1336634179, issued on Jun 25, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Molly C. Grosvenor, NP located?
The NPPES record lists a practice address at 2300 N Rockton Ave, Rockford, IL, 61103. Phone: (815) 971-2777. Providers update this record themselves, so call before visiting.
How can I verify Molly C. Grosvenor, NP's license?
NPPES lists Illinois license number 209017805, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Molly C. Grosvenor, NP prescribe under Medicare Part D?
In 2024, Molly C. Grosvenor, NP had 222 Medicare Part D claims for 74 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.