Christos Mastroyannis, MD FACOG
Reproductive Endocrinology Physician · Fairfax, VA
Christos Mastroyannis, MD FACOG is a reproductive endocrinology physician with a practice address in Fairfax, Virginia, and NPI 1629009543, issued on Jul 6, 2006. Check the license (Virginia 0101045024, as entered in NPPES) on the Virginia Department of Health Professions; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Christos Mastroyannis
- Credential
- MD FACOG
- Primary taxonomy
- Reproductive Endocrinology Physician 207VE0102X
- License numbers
- 0101045024 VA
MD16241 DC
D0030967 MD
Self-reported in NPPES; status is on the state search - Practice location
- 8501 Arlington Blvd, Fairfax, VA 22031
- Phone
- (877) 449-0400
- Enumerated
- Jul 6, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (866) 696-6573
- Entity
- Type 1 · individual
8 nearest reproductive endocrinology physician records → All 50 in Virginia → Look up another NPI →
Also registered at 8501 Arlington Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Christos Mastroyannis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101045024Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Christos Mastroyannis among 50 reproductive endocrinology physician records in Virginia
Christos Mastroyannis, MD FACOG is one of 50 reproductive endocrinology physician records with a practice address in Virginia. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 50% newer
- In a Medicare fileNo · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 4% of these records are
- Record last updated2007 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VE0102X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Reproductive Endocrinology Physician providers in Virginia
There are 50 reproductive endocrinology physician records in Virginia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 50 in Virginia → Every provider in Fairfax → Reproductive Endocrinology Physician nationwide →
The 8 reproductive endocrinology physician records with the nearest ZIP codes
- Nicole Doyle, M.D./PH.D.Fairfax, VA 220311235497074
- Rhonda Hearns - Stokes, MDFairfax, VA 220311073604336
- Sunita Kulshrestha, MDFairfax, VA 220311699866962
- Stephen Lincoln, MDFairfax, VA 220311780775049
- Suheil Muasher, MDFairfax, VA 220311649357948
- David Saffan, M.D.Fairfax, VA 220311982690541
- Emilie Smith, WHNP-BCFairfax, VA 220311215573860
- Laurence Udoff, MDFairfax, VA 220311497789853
Common questions
What is Christos Mastroyannis, MD FACOG's NPI number?
Christos Mastroyannis, MD FACOG's National Provider Identifier (NPI) is 1629009543, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christos Mastroyannis, MD FACOG located?
The NPPES record lists a practice address at 8501 Arlington Blvd, Fairfax, VA, 22031. Phone: (877) 449-0400. Providers update this record themselves, so call before visiting.
How can I verify Christos Mastroyannis, MD FACOG's license?
NPPES lists Virginia license number 0101045024, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.