Margaret Sigman
Allergy/immunology
19+
Years in Practice
Available
Telehealth
Practice Locations
1 location
About Margaret Sigman
Margaret Sigman is a healthcare provider practicing in Midlothian, VA.
Specialty Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
23
Years Experience
1
Location
3
States Licensed
Credentials & Board Certifications
Additional Specialties
Primary Specialty
Allergy/immunologyCredentials verified via NPI Registry (NPPES)
Education & Training
Medical School
Other
Class of 2003
Licenses & Practice States
Licensed in 3 states
| State | License | Classification | Primary |
|---|---|---|---|
| North Carolina | 200801988 | Pediatrics | — |
| — | Student in an Organized Health Care Education/Training Program | — | |
| Virginia | 0101253799 | Allergy & Immunology |
Public Data Summary for Margaret Sigman
With 19 years of practice, Margaret Sigman is an established allergy/immunology provider after earning their medical degree at Other in 2003. Margaret currently practices at in Midlothian, Virginia. Their National Provider Identifier (NPI) is 1447461108, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.
CMS Medicare data shows Margaret Sigman as a lower-volume allergy/immunology provider, treating approximately 128 Medicare beneficiaries and delivering 5K services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.
Under the Physician Payments Sunshine Act, CMS reports that Margaret Sigman received $2K in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.
Transparency & Safety
Public records from CMS and OIG databases
Industry Payments
$2K
Total payments received from pharmaceutical and medical device companies in 2023.
Source: CMS Open Payments (Sunshine Act)
Opioid Prescribing
This provider has no opioid prescriptions on file in Medicare Part D data.
Insurance & Accessibility
Reviews
Community reviews for Margaret Sigman
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0 reviews
Allergy/immunology Providers Nearby
Same primary specialty near ZIP 23112
FAQ
Frequently asked questions about Margaret Sigman
What does Margaret Sigman specialize in?
Margaret Sigman specializes in Allergy/immunology. Secondary taxonomy filings also list Pediatrics and Student In An Organized Health Care Education/training Program.
Where does Margaret Sigman practice?
Margaret Sigman practices at in Midlothian, Virginia.
Does Margaret Sigman accept Medicare?
CMS records show that Margaret Sigman accepts Medicare assignment. CMS billing data shows 128 Medicare beneficiaries treated in the most recent reporting year.
What is Margaret Sigman's NPI number?
Margaret Sigman's National Provider Identifier (NPI) is 1447461108. This is the unique 10-digit number the Centers for Medicare & Medicaid Services assigns to every practicing US healthcare provider. You can verify this number directly at the NPPES NPI Registry.
How long has Margaret Sigman been practicing?
Margaret Sigman has approximately 19 years of practice experience, having graduated from Other in 2003.