Dr. Grace Demarco, MD
- Part D claims, 2024
- 135
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2020
- Practice address
- 3300 Gallows Rd, Falls Church, VA 22046
- Practice phone
- Call (703) 698-3659
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Inova Fairfax Hospital - Unit
Acute Care Hospital-Unit · Falls Church, Virginia
Find Dr. Demarco's professional email, personal email and mobile number
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Dr. Grace Demarco is an infectious disease specialist in Falls Church, Virginia
Dr. Demarco practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia.
Dr. Demarco's NPI, 1801424700, was assigned on March 28, 2020. Dr. Demarco holds District of Columbia license MD500003368.
- NPI
- 1801424700NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830653542
- NPI enumeration date
- March 28, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (703) 698-3659
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Grace Demarco practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia
Dr. Demarco's primary practice is Inova Fairfax Hospital - Unit, at 3300 Gallows Rd, Falls Church, VA 22046 in Falls Church City. The practice phone is (703) 698-3659.
- Inova Fairfax Hospital - Unit3300 Gallows Rd, Falls Church, VA 22046 · Falls Church CityPhone(703) 698-3659
Source: Dmand AI Affiliation Data
Dr. Grace Demarco is affiliated with 1 site of care
Dr. Demarco's primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Grace Demarco's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Demarco practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Inova Fairfax Hospital - Unit | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Grace Demarco is one of 210 infectious disease specialists in Virginia
Infectious disease is Dr. Demarco's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Demarco is licensed in District of Columbia.
Specialties and state licenses
- Infectious disease, District of ColumbiaPrimary
Infectious disease specialists near Dr. Demarco
Counts of infectious disease specialists 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
Dr. Grace Demarco's patients have a median age of 44
Across all payers, Dmand AI patient panel data puts Dr. Demarco's median patient age at 44, with 57% women.
Dr. Demarco's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
Dr. Grace Demarco wrote 135 Medicare Part D claims in 2024
In 2024, Dr. Demarco wrote 135 Medicare Part D claims for 47 patients. 81% of them were for generic drugs.
Dr. Demarco's Part D claims by kind of drug, 2024
- Generic110 claims81%
- Brand-name and other25 claims19%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Grace Demarco offers telehealth to Medicare patients
Dr. Demarco accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Demarco as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Dr. Grace Demarco'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| 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 Dr. Grace Demarco
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What is Dr. Grace Demarco's NPI number?
Dr. Grace Demarco's NPI number is 1801424700. It was assigned on March 28, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Grace Demarco?
Dr. Grace Demarco is an infectious disease specialist in Falls Church, Virginia. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Grace Demarco practice?
Dr. Demarco practices at 3300 Gallows Rd, Falls Church, VA 22046. Dr. Demarco's primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia.
What is Dr. Grace Demarco's office phone number?
The practice phone on file for Dr. Demarco is (703) 698-3659.
What is Dr. Grace Demarco's medical license number?
Dr. Demarco holds District of Columbia license MD500003368.
Does Dr. Grace Demarco accept Medicare?
Yes. CMS lists Dr. Demarco as accepting Medicare assignment.
Does Dr. Grace Demarco offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Demarco as offering telehealth services.
How long has Dr. Grace Demarco been practicing?
Dr. Demarco's NPI was assigned in 2020.
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