MARY ANNE M RIVERA MS PA
NPI 1861509390
Physician Assistant in Chatham, NJ

Active since August 23, 2006PECOS EnrolledAccepts Medicare Assignment

NPPES record last updated: December 13, 2016. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Mary Anne M Rivera Ms Pa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY ANNE M RIVERA MS PA (NPI 1861509390) is an individual physician assistant in Chatham, New Jersey, licensed in New Jersey (25MP00129300) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Morristown Medical Center, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1861509390
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMARY ANNE M RIVERACredential: MS PA
Location Address40 MAIN STChatham, NJ 07928-2431
Mailing Address40 Main StChatham, NJ 07928-2431 · (973) 635-0800
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateAugust 23, 2006
Last NPPES UpdateDecember 13, 2016
NPI 1861509390 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in NJ · 25MP00129300
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
40 MAIN ST, Chatham, NJ 07928

Other Names 1

Former Name (1)Mary Anne Gamao Ms Pa

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mary Anne M Rivera Ms Pa is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1557310489
PECOS Enrollment IDI20050119000046
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
321 services216 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Morristown Medical Center

Acute Care Hospitals · Morristown, NJ
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310015
Location100 Madison AveMorristown, NJ 07960 · Morris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07928 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$98.09 typical visit price
range $63.84 – $190.92
Typical copayment $24.52 (range $15.96 – $47.73)
Most-billed visit code 99203
Established Patient
$79.09 typical visit price
range $20.97 – $155.92
Typical copayment $19.77 (range $5.24 – $38.98)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Specialist
40 MAIN ST
CHATHAM, NJ 07928
Physical Therapist
40 MAIN ST
CHATHAM, NJ 07928
Pain Medicine (Pain Medicine)
40 MAIN ST
CHATHAM, NJ 07928
Orthopaedic Surgery
40 MAIN ST
CHATHAM, NJ 07928
Durable Medical Equipment & Medical Supplies
40 MAIN ST
CHATHAM, NJ 07928
Physical Medicine & Rehabilitation
40 MAIN ST
CHATHAM, NJ 07928
Physical Therapist
40 MAIN ST
CHATHAM, NJ 07928
Physician Assistant (Surgical)
40 MAIN ST, NEW JERSEY SPINE CENTER
CHATHAM, NJ 07928

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Anne Rivera's NPI number?

The NPI number for Mary Anne Rivera is 1861509390. It was assigned to this individual provider in the NPPES registry on August 23, 2006. The provider is also known as Mary Anne Gamao Ms PA.

Where is Mary Anne Rivera located?

Mary Anne Rivera practices at 40 Main St, Chatham, NJ 07928. The listed phone number is (973) 635-0800.

What is Mary Anne Rivera's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Mary Anne Rivera enrolled in Medicare?

Yes. Mary Anne Rivera is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Mary Anne Rivera affiliated with any hospitals?

According to CMS data, Mary Anne Rivera is affiliated with Morristown Medical Center.

When was this NPI record last updated?

The NPPES record for Mary Anne Rivera was last updated on December 13, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.