GREGG MASTROPOLO CAA
NPI 1083663884
Anesthesiologist Assistant in Washington, DC

Q: What is Gregg Mastropolo's NPI number?

The NPI number for Gregg Mastropolo is 1083663884. It was assigned to this individual provider in the NPPES registry on May 9, 2006.

Q: What is Gregg Mastropolo's specialty?

The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.

Q: When was this NPI record last updated?

The NPPES record for Gregg Mastropolo was last updated on March 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since May 09, 2006Accepts Medicare Assignment

900 23RD ST NW, WASHINGTON, DC 20037(202) 823-4254 Get Directions Write a Review

NPPES record last updated: March 10, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 10, 2021, Mar 2, 2021 (2 updates tracked since 2021).

On this page

About Gregg Mastropolo Caa NPPES

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

GREGG MASTROPOLO CAA (NPI 1083663884) is an individual anesthesiologist assistant in Washington, District Of Columbia, licensed in District Of Columbia (A000014) and active in the NPI registry since May 2006. He is affiliated with Shands Jacksonville and is a graduate of Other (1997).

NPPES Registry Identity

NPI1083663884

Entity TypeIndividualMale

Primary Taxonomy367H00000X

Provider Legal NameGREGG MASTROPOLOCredential: CAA

Location Address900 23RD ST NWWashington, DC 20037-2342

Mailing Address150 S Little Tor RdNew City, NY 10956-3126 · (706) 888-2722 · Fax (845) 230-7677

Phone(202) 823-4254

Sole ProprietorNo

Medical School CMSOtherGraduated 1997

Enumeration DateMay 9, 2006

Last NPPES UpdateMarch 10, 20212 updates tracked since enumeration

NPPES CertifiedMarch 4, 2021

✔ NPI 1083663884 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367H00000X

License✔ Licensed in DC · A000014

Definition

An individual certified by the state to perform anesthesia services under the direct supervision of an anesthesiologist. Anesthesiologist Assistants are required to have a bachelor's degree with a premed curriculum prior to entering a two-year anesthesiology assistant program, which is focused upon the delivery and maintenance of anesthesia care as well as advanced patient monitoring techniques. An Anesthesiologist Assistant must work as a member of the anesthesia care team under the direction of a qualified Anesthesiologist.

900 23RD ST NW, Washington, DC 20037

Open in Google Maps ↗

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

Gregg Mastropolo Caa 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 ID1153361209

PECOS Enrollment IDI20250314000134

Hospital Affiliations CMS Care Compare

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

Shands Jacksonville

Acute Care Hospitals · Jacksonville, FL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100001

Location655 W 8th StJacksonville, FL 32209 · Duval County

Emergency services Birthing friendly

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.

DR. MUSTAFA BASSAM HAMMUDI MD

Internal Medicine