Mary Anne M. Rivera, MS PA
Physician Assistant · Chatham, NJ
Mary Anne M. Rivera, MS PA is a physician assistant with a practice address in Chatham, New Jersey, and NPI 1861509390, issued on Aug 23, 2006. Check the license (New Jersey 25MP00129300, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Anne M. Rivera
- Credential
- MS PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 25MP00129300 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 40 Main St, Chatham, NJ 07928
- Phone
- (973) 635-0800
- Enumerated
- Aug 23, 2006
- Record last updated
- Dec 13, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050119000046); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,393 in New Jersey → Look up another NPI →
Also registered at 40 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shayna Chevinsky, PA-CPhysician Assistant1598263253
- James Clark-Schoeb, M.D.Orthopaedic Surgery Physician1477523058
- Denise Dasti, APNAdult Health Nurse Practitioner1932162831
Verify Mary Anne M. Rivera 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 25MP00129300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% more Medicare Part D claims than the average physician assistant in 2024
987 Medicare Part D claims for 382 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 509 claims were for opioids.
Most prescribed
- Oxycodone Hcl139 claims
- Gabapentin114 claims
- Oxycodone-Acetaminophen97 claims
- Tramadol Hcl74 claims
- Hydrocodone-Acetaminophen55 claims
- Pregabalin51 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: $530.43
39 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 one group practice
- New Jersey Spine Center, LLCChatham, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Anne M. Rivera among 3,393 physician assistant records in New Jersey
Mary Anne M. Rivera, MS PA 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 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 91% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2004 · median 2019 among the 2,168 with a school on file
- Record last updated2016 · 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).
8 physician assistant records list a practice address in Chatham
They are 8 of the 349 NPPES records with a practice address in Chatham, and 3,393 physician assistant records in New Jersey.
All 3,393 in New Jersey → Every provider in Chatham → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Alexandra AmatoChatham, NJ 079281164353397
- Elena Barros, PA-CChatham, NJ 079281487910469
- Nadire Bek, PA-CChatham, NJ 079281386516623
- Shayna Chevinsky, PA-CChatham, NJ 079281598263253
- Gabrielle Kokich, PA-CChatham, NJ 079281891271656
- Jillian NashChatham, NJ 079281871121376
- Jaclyn Perna, MS, PA-CChatham, NJ 079281629208715
- Jeremy Baumgarten, PA-CCedar Knolls, NJ 079271790193076
Common questions
What is Mary Anne M. Rivera, MS PA's NPI number?
Mary Anne M. Rivera, MS PA's National Provider Identifier (NPI) is 1861509390, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Anne M. Rivera, MS PA located?
The NPPES record lists a practice address at 40 Main St, Chatham, NJ, 07928. Phone: (973) 635-0800. Providers update this record themselves, so call before visiting.
How can I verify Mary Anne M. Rivera, MS PA's license?
NPPES lists New Jersey license number 25MP00129300, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Anne M. Rivera, MS PA prescribe under Medicare Part D?
In 2024, Mary Anne M. Rivera, MS PA had 987 Medicare Part D claims for 382 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.