Gregg Mastropolo, CAA
- Hospital affiliations
- 3
- Medical groups
- 5
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 110 Irving Street NW, Washington, DC 20010
- Practice phone
- Call (202) 877-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Gregg Mastropolo's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Gregg Mastropolo is an anesthesiologist assistant in Washington, District of Columbia
Gregg Mastropolo practices at MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health.
Gregg Mastropolo's NPI, 1083663884, was assigned on May 9, 2006. Gregg Mastropolo holds District of Columbia license A000014.
- NPI
- 1083663884NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153361209
- NPI enumeration date
- May 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (202) 877-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregg Mastropolo practices at MedStar Washington Hospital Center in Washington, District of Columbia
Gregg Mastropolo's primary practice is MedStar Washington Hospital Center, at 110 Irving Street NW, Washington, DC 20010 in The District County. The practice phone is (202) 877-7000.
- MedStar Washington Hospital Center110 Irving Street NW, Washington, DC 20010 · The District CountyPhone(202) 877-7000
Source: Dmand AI Affiliation Data
Gregg Mastropolo is affiliated with 4 sites of care and 5 medical groups
Gregg Mastropolo's primary practice is MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health. Gregg Mastropolo is also affiliated with The George Washington University Hospital. The medical group on file is MedStar Medical Group. Dmand AI also links Gregg Mastropolo to 1 more hospital, 4 medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gregg Mastropolo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregg Mastropolo practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MedStar Washington Hospital Center | Available with a free account |
| +3 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across MedStar Health and 6.2K+ hospitals, with verified contacts in the same login.
Gregg Mastropolo is one of 114 anesthesiologist assistants in District of Columbia
Anesthesiologist assistant is Gregg Mastropolo's primary specialty in the NPI Registry, under taxonomy code 367H00000X. Gregg Mastropolo is licensed in District of Columbia.
Specialties and state licenses
- Anesthesiologist assistant, District of ColumbiaPrimary
Anesthesiologist assistants near Gregg Mastropolo
Counts of anesthesiologist assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Gregg Mastropolo's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Gregg Mastropolo's median patient age at 65, with 100% women.
Gregg Mastropolo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
How Gregg Mastropolo takes part in Medicare
Gregg Mastropolo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for Gregg Mastropolo's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Gregg Mastropolo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregg Mastropolo's NPI number?
Gregg Mastropolo's NPI number is 1083663884. It was assigned on May 9, 2006, and it is active in the NPI Registry.
What does Gregg Mastropolo specialize in?
Gregg Mastropolo is an anesthesiologist assistant in Washington, District of Columbia. The primary specialty in the NPI Registry is Anesthesiologist Assistant (taxonomy code 367H00000X).
Where does Gregg Mastropolo practice?
Gregg Mastropolo practices at 110 Irving Street NW, Washington, DC 20010. Gregg Mastropolo's primary practice is MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health. Dmand AI also links Gregg Mastropolo to 1 hospital, 4 medical groups and 1 group practice or clinic.
What is Gregg Mastropolo's office phone number?
The practice phone on file for Gregg Mastropolo is (202) 877-7000.
What is Gregg Mastropolo's medical license number?
Gregg Mastropolo holds District of Columbia license A000014.
Which hospitals is Gregg Mastropolo affiliated with?
Gregg Mastropolo practices at MedStar Washington Hospital Center in Washington, District of Columbia. Gregg Mastropolo is also affiliated with The George Washington University Hospital. Dmand AI links Gregg Mastropolo to 1 more hospital.
What medical group is Gregg Mastropolo part of?
Gregg Mastropolo is linked to MedStar Medical Group. Dmand AI links Gregg Mastropolo to 4 more medical groups.
Does Gregg Mastropolo accept Medicare?
Yes. CMS lists Gregg Mastropolo as accepting Medicare assignment.
How long has Gregg Mastropolo been practicing?
Gregg Mastropolo graduated from medical school in 1997, 29 years ago.
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