Mary Therese Petrella, ND MS RN FNP BC
Nurse Practitioner · La Salle, IL
Mary Therese Petrella, ND MS RN FNP BC is a nurse practitioner with a practice address in La Salle, Illinois, and NPI 1922016849, issued on Aug 4, 2006. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Therese Petrella
- Credential
- ND MS RN FNP BC
- Primary taxonomy
- Nurse Practitioner 363L00000X
- Practice location
- 2970 Chartres, La Salle, IL 61301
- Phone
- (815) 223-0196
- Enumerated
- Aug 4, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (815) 223-0358
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →
Verify Mary Therese Petrella in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average nurse practitioner in 2024
17 Medicare Part D claims, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $339.77
3 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 38,884 providers of this specialty with any payment received $791.64 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.
Mary Therese Petrella among 4,892 nurse practitioner records in Illinois
Mary Therese Petrella, ND MS RN FNP BC 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 updated2007 · 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).
2 nurse practitioner records list a practice address in La Salle
They are 2 of the 109 NPPES records with a practice address in La Salle, and 4,892 nurse practitioner records in Illinois.
All 4,892 in Illinois → Every provider in La Salle → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Maryfrances Crist, APNLa Salle, IL 613011821078395
- Ashley DietschSilvis, IL 612821770126104
- Renee Elmer, CNPSilvis, IL 612821881669455
- Lindsey Karzin, NPSilvis, IL 612821417682436
- Ashley MorenoSilvis, IL 612821851042089
- Shirley Williams, PNPSilvis, IL 612821558473033
- Marcia Auliff, F.N.P.Morrison, IL 612701831708288
- Ellie Bullis, ARNPMorrison, IL 612701760136220
Common questions
What is Mary Therese Petrella, ND MS RN FNP BC's NPI number?
Mary Therese Petrella, ND MS RN FNP BC's National Provider Identifier (NPI) is 1922016849, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Therese Petrella, ND MS RN FNP BC located?
The NPPES record lists a practice address at 2970 Chartres, La Salle, IL, 61301. Phone: (815) 223-0196. Providers update this record themselves, so call before visiting.
How can I verify Mary Therese Petrella, ND MS RN FNP BC's license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Therese Petrella, ND MS RN FNP BC prescribe under Medicare Part D?
In 2024, Mary Therese Petrella, ND MS RN FNP BC had 17 Medicare Part D claims; 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.