Jillian M. Diionno, PA-C
Physician Assistant · Hackettstown, NJ
Jillian M. Diionno, PA-C is a physician assistant with a practice address in Hackettstown, New Jersey, and NPI 1194167577, issued on Jul 25, 2013. Check the license (New Jersey 25MP00312100, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jillian M. Diionno
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 25MP00312100 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 57 Route 46 Ste 107, Hackettstown, NJ 07840
- Phone
- (908) 813-9700
- Enumerated
- Jul 25, 2013
- Record last updated
- Jul 9, 2025
- Fax
- (908) 813-2861
- Medicare enrollment
- Enrolled (PECOS I20140516000866); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,393 in New Jersey → Look up another NPI →
Verify Jillian M. Diionno in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
Search for license 25MP00312100Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average physician assistant in 2024
165 Medicare Part D claims for 91 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 58 claims were for opioids.
Most prescribed
- Methylprednisolone60 claims
- Tramadol Hcl38 claims
- Meloxicam16 claims
- Oxycodone-Acetaminophen11 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: $246.69
9 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 64,719 providers of this specialty with any payment received $841.65 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 2 group practices
- Advocare, LLCHaddonfield, NJ
- Premier Brain And Spine LLCUnion, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jillian M. Diionno among 3,393 physician assistant records in New Jersey
Jillian M. Diionno, PA-C is one of 3,393 physician assistant records with a practice address in New Jersey. 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 2013, is newer than 28% of them.
- NPI issued2013 · 28% of these records are older, 70% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2013 · median 2019 among the 2,168 with a school on file
- Record last updated2025 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 physician assistant records list a practice address in Hackettstown
They are 12 of the 575 NPPES records with a practice address in Hackettstown, and 3,393 physician assistant records in New Jersey.
All 3,393 in New Jersey → Every provider in Hackettstown → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Alison Bratman, PA-CHackettstown, NJ 078401083224265
- Michael GundellHackettstown, NJ 078401205264892
- Antonios Leontaris, PAHackettstown, NJ 078401679240782
- Bryan LinaresHackettstown, NJ 078401225976285
- Grace MontgomeryHackettstown, NJ 078401497678759
- Mary Moran, P.A.Hackettstown, NJ 078401922473867
- Diane Niestepski, P.A.Hackettstown, NJ 078401508960543
- Rebecca Riordan, PA-CHackettstown, NJ 078401912832957
Common questions
What is Jillian M. Diionno, PA-C's NPI number?
Jillian M. Diionno, PA-C's National Provider Identifier (NPI) is 1194167577, issued on Jul 25, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Jillian M. Diionno, PA-C located?
The NPPES record lists a practice address at 57 Route 46 Ste 107, Hackettstown, NJ, 07840. Phone: (908) 813-9700. Providers update this record themselves, so call before visiting.
How can I verify Jillian M. Diionno, PA-C's license?
NPPES lists New Jersey license number 25MP00312100, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
How much does Jillian M. Diionno, PA-C prescribe under Medicare Part D?
In 2024, Jillian M. Diionno, PA-C had 165 Medicare Part D claims for 91 beneficiaries; the average among physician assistant prescribers was 830. 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.