OLIVIA CYNTHIA AMBURSLEY-GRIES
NPI 1376359190
Physician Assistant in Largo, MD

Active since December 06, 2024PECOS EnrolledAccepts Medicare Assignment
901 HARRY S TRUMAN DR N, LARGO, MD 20774(240) 677-1000 Get Directions Write a Review

NPPES record last updated: February 19, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 19, 2025, Dec 6, 2024 (2 updates tracked since 2024).

About Olivia Cynthia Ambursley-gries NPPES

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

OLIVIA CYNTHIA AMBURSLEY-GRIES (NPI 1376359190) is an individual physician assistant in Largo, Maryland, licensed in Maryland (C09742) and active in the NPI registry since December 2024. She is enrolled in Medicare PECOS, is affiliated with University Of Md Capital Region Medical Center, and is a graduate of George Washington University School Of Medicine (2024).

NPPES Registry Identity

NPI1376359190
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameOLIVIA CYNTHIA AMBURSLEY-GRIES
Location Address901 HARRY S TRUMAN DR NLargo, MD 20774-5477
Mailing Address2130 P St Nw Apt 206Washington, DC 20037-1071 · (517) 648-7688
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 2024
Enumeration DateDecember 6, 2024
Last NPPES UpdateFebruary 19, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 19, 2025
NPI 1376359190 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 MD · C09742
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.
901 HARRY S TRUMAN DR N, Largo, MD 20774

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

Olivia Cynthia Ambursley-gries 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 ID8123542446
PECOS Enrollment IDI20250408002990, I20260327001345
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.

Hospital Affiliations CMS Care Compare

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

University Of MD Capital Region Medical Center

Acute Care Hospitals · Upper Marlboro, MD
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210003
Location901 North Harry S Truman DriveUpper Marlboro, MD 20774 · Prince Georges County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20774 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
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.

Emergency Medicine
901 HARRY S TRUMAN DR N
LARGO, MD 20774
Advanced Practice Midwife
901 HARRY S TRUMAN DR N
UPPER MARLBORO, MD 20774
Student in an Organized Health Care Education/Training Program
901 HARRY S TRUMAN DR N
LARGO, MD 20774
Midwife
901 HARRY S TRUMAN DR N
LARGO, MD 20774
Orthopaedic Surgery (Orthopaedic Trauma)
901 HARRY S TRUMAN DR N
LARGO, MD 20774
Student in an Organized Health Care Education/Training Program
901 HARRY S TRUMAN DR N
LARGO, MD 20774
Nurse Anesthetist, Certified Registered
901 HARRY S TRUMAN DR N
LARGO, MD 20774
Nurse Practitioner (Psychiatric/Mental Health)
901 HARRY S TRUMAN DR N
LARGO, MD 20774

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 Olivia Ambursley-gries's NPI number?

The NPI number for Olivia Ambursley-gries is 1376359190. It was assigned to this individual provider in the NPPES registry on December 6, 2024.

Where is Olivia Ambursley-gries located?

Olivia Ambursley-gries practices at 901 Harry S Truman Dr N, Largo, MD 20774. The listed phone number is (240) 677-1000.

What is Olivia Ambursley-gries's specialty?

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

Is Olivia Ambursley-gries enrolled in Medicare?

Yes. Olivia Ambursley-gries 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 Olivia Ambursley-gries affiliated with any hospitals?

According to CMS data, Olivia Ambursley-gries is affiliated with University Of MD Capital Region Medical Center.

When was this NPI record last updated?

The NPPES record for Olivia Ambursley-gries was last updated on February 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.