MARITZA SIERRA PA-C
NPI 1225804602
Physician Assistant in Stony Brook, NY

Active since November 28, 2023PECOS EnrolledAccepts Medicare Assignment
100 NICOLLS ROAD, HSC T12 RM 080, STONY BROOK, NY 11794(631) 444-1116(631) 444-1535 Get Directions Write a Review

NPPES record last updated: March 17, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Maritza Sierra Pa-c NPPES

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

MARITZA SIERRA PA-C (NPI 1225804602) is an individual physician assistant in Stony Brook, New York and active in the NPI registry since November 2023. She is enrolled in Medicare PECOS, is affiliated with Suny/stony Brook University Hospital, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1225804602
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMARITZA SIERRACredential: PA-C
Location Address100 NICOLLS ROAD, HSC T12 RM 080Stony Brook, NY 11794-8122
Mailing Address100 Nicolls Rd Rm 80Stony Brook, NY 11794-8122 · (631) 444-1116
Fax(631) 444-1535
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateNovember 28, 2023
Last NPPES UpdateMarch 17, 2024
NPPES CertifiedMarch 17, 2024
NPI 1225804602 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
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.
100 NICOLLS ROAD, Stony Brook, NY 11794

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

Maritza Sierra Pa-c 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 ID6406295823
PECOS Enrollment IDI20240418001876
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.

Emergency department visit with straightforward medical decision making 99282
An emergency department visit for a mild to moderate issue is when you seek immediate medical attention for a non-life-threatening condition. This could include minor injuries, moderate pain, or illnesses like the flu. During the visit, healthcare professionals assess your condition, provide treatment, and may recommend follow-up care.
43 services43 patients

Hospital Affiliations CMS Care Compare

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

Suny/Stony Brook University Hospital

Acute Care Hospitals · Stony Brook, NY
4/5 CMS rating
OwnershipGovernment - State
CMS Certification Number330393
LocationHealth Sciences Center SunyStony Brook, NY 11794 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11794 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
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
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 18

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

Dietitian, Registered (Nutrition, Pediatric)
100 NICOLLS ROAD, AMB, L5, STE 7
STONY BROOK, NY 11794
Anesthesiology
100 NICOLLS ROAD, STONY BROOK MEDICAL CENTER, DEPT. OF ANESTHESIOLOGY
STONY BROOK, NY 11794
Nurse Practitioner (Family)
100 NICOLLS ROAD, HSC T12-080 SUNY STONY BROOK/NEUROSURGERY
STONY BROOK, NY 11794
Social Worker (Clinical)
100 NICOLLS ROAD
STONY BROOK, NY 11794
Preventive Medicine (Public Health & General Preventive Medicine)
100 NICOLLS ROAD, HSC, L3, RM 086
STONY BROOK, NY 11794
Internal Medicine (Interventional Cardiology)
100 NICOLLS ROAD, CARDIOLOGY, HSC T16-080
STONY BROOK, NY 11794
Pharmacist
100 NICOLLS ROAD, STONY BROOK UNIVERSITY MEDICAL CENTER, PHARMACY DEPT
STONY BROOK, NY 11794
Internal Medicine (Hospice and Palliative Medicine)
100 NICOLLS ROAD, HSC T16-020
STONY BROOK, NY 11794

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 Maritza Sierra's NPI number?

The NPI number for Maritza Sierra is 1225804602. It was assigned to this individual provider in the NPPES registry on November 28, 2023.

Where is Maritza Sierra located?

Maritza Sierra practices at 100 Nicolls Road Hsc T12 Rm 080, Stony Brook, NY 11794. The listed phone number is (631) 444-1116.

What is Maritza Sierra's specialty?

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

Is Maritza Sierra enrolled in Medicare?

Yes. Maritza Sierra 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 Maritza Sierra affiliated with any hospitals?

According to CMS data, Maritza Sierra is affiliated with Suny/Stony Brook University Hospital.

When was this NPI record last updated?

The NPPES record for Maritza Sierra was last updated on March 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.