Provider Profile
Mary Anne M. Rivera, MS PA
Unclaimed ProfileAbout Mary Anne Rivera
Mary Anne M. Rivera, MS PA is a physician assistant practicing in Chatham, NJ. According to Medicare claims data, Mary Anne cared for 216 Medicare patients across 321 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. This provider record is associated with NPI 1861509390.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (973) 635-0800
- Email not available
Practice Locations
40 MAIN ST
Chatham, NJ 07928
Procedures Most Often Billed to Medicare
321 services · 216 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
321 | More than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 19 related providers in 3 groups
Other physician assistants in Chatham 3
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2004 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Mary Anne M. Rivera's specialty?
Mary Anne M. Rivera is a physician assistant in Chatham, NJ. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Mary Anne M. Rivera?
Mary Anne M. Rivera is listed at 40 Main St, Chatham, NJ 07928. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mary Anne M. Rivera?
The number on file is (973) 635-0800. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mary Anne M. Rivera's NPI number?
Mary Anne M. Rivera's National Provider Identifier is 1861509390. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Mary Anne M. Rivera's education?
Mary Anne M. Rivera attended Other, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How long has Mary Anne M. Rivera been practicing?
Mary Anne M. Rivera has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What is Mary Anne M. Rivera known for?
According to Medicare billing data, Mary Anne M. Rivera the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mary Anne M. Rivera confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mary Anne M. Rivera. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.