Dr. John Alva Simpson, MD
- Medicare services, 2022
- 2,769
- Part D claims, 2022
- 32
- Industry payments
- $5,449
- Affiliated sites
- 1
- Medical groups
- 2
- Practice address
- 6305 Castle Place, Falls Church, VA 22044-1905
- Practice phone
- Call (703) 534-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northern Virginia Allergy And Asthma Associates
Medical specialty practice · Falls Church, Virginia
Find Dr. Simpson'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.
Dr. John Alva Simpson is an allergist and immunologist in Knoxville, Tennessee
Dr. Simpson practices at Northern Virginia Allergy And Asthma Associates in Falls Church, Virginia.
Dr. Simpson's NPI, 1417049347, was assigned on September 28, 2006. Dr. Simpson graduated from School of Medicine Columbia in 1981. Dr. Simpson holds Virginia license 0101045826.
- NPI
- 1417049347NPI Registry (opens in a new tab)
- NPI enumeration date
- September 28, 2006
- NPI status
- Active
- Practice phone
- (703) 534-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Alva Simpson practices in Falls Church and Knoxville
Dr. Simpson's primary practice is Northern Virginia Allergy and Asthma Associates, at 6305 Castle Place, Falls Church, VA 22044-1905. The practice phone is (703) 534-5500. The NPI Registry lists Dr. Simpson's practice address as 1924 Alcoa Hwy, Knoxville, TN 37920.
- Northern Virginia Allergy and Asthma AssociatesPrimary6305 Castle Place, Falls Church, VA 22044-1905Phone(703) 534-5500
- NPI Registry address1924 Alcoa Hwy, Knoxville, TN 37920 · Knox CountyPhone(703) 534-5500
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. John Alva Simpson is affiliated with 1 site of care and 2 medical groups
Dr. Simpson's primary practice is Northern Virginia Allergy And Asthma Associates in Falls Church, Virginia. The medical group on file is Mid-Atlantic Emergency Medical Associates. Dmand AI also links Dr. Simpson to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. John Alva Simpson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simpson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northern Virginia Allergy And Asthma Associates | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Alva Simpson is one of 72 allergists and immunologists in Tennessee
Allergy and immunology is Dr. Simpson's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Simpson is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dmand AI has Dr. Simpson's licenses on file in 3 states: Virginia, North Carolina and Alabama.
Specialties and state licenses
- Allergy and immunology, VirginiaPrimary
- North Carolina license
- Alabama license
Allergists and immunologists near Dr. Simpson
Counts of allergists and immunologists 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. John Alva Simpson billed Medicare for 2,769 services in 2022
CMS data shows 2,769 Medicare services from Dr. Simpson across 7 procedure codes in 2022. Medicare paid $36,674 for them. Every service was in an office.
Dr. Simpson's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Tests and treatments
- 2021: 3,6902022: 2,65728%
- Office and hospital visits
- 2021: 1252022: 11210%
Dr. Simpson compared with the Tennessee median for allergists and immunologists, 2022
- Dr. Simpson
- Tennessee median
- Medicare services
- 2,769vs 2,700Close to median
- Part D claims
- 32vs 31790% below
Medians across 74 allergists and immunologists in Tennessee with Dmand AI profiles that report each measure.
Dr. Simpson's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Simpson and other allergists and immunologists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Alva Simpson's patients have a median age of 47
Across all payers, Dmand AI patient panel data puts Dr. Simpson's median patient age at 47, with 56% women.
Dr. Simpson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women56%
- Men43%
Source: Dmand AI Patient Panel Data
Dr. John Alva Simpson wrote 32 Medicare Part D claims in 2022
In 2022, Dr. Simpson wrote 32 Medicare Part D claims. They cover 2 drugs, with $7,503 in total drug cost. In 2019, CMS named 14 claims across 1 drug.
Dr. Simpson's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2022
- 2019
- 2022
- Claims for drugs CMS names
- 2019: 142022: 32129%
Drugs named by CMS: 2 in 2022, 1 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. John Alva Simpson received $5,449 in industry payments from 2016 to 2022
CMS Open Payments shows 190 general payments to Dr. Simpson from 19 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $1,280.
General payments to Dr. Simpson by program year, 2016 to 2022
General payments to Dr. Simpson by kind, 2016 to 2022
- Food and beverage$5,425100%
- Education$250%
Companies that paid Dr. Simpson the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Alva Simpson has 1 award and honors on record
Dmand AI lists 1 award for Dr. Simpson.
Awards and honors for Dr. Simpson
- Undated
- Super Doc
Source: Dmand AI Professional Profile Data
Dr. John Alva Simpson graduated from School of Medicine Columbia
Dr. Simpson graduated from School of Medicine Columbia in 1981. Dr. Simpson is a member of AAAAI.
- Medical school
- Board certified in allergy & immunology
Source: Dmand AI Professional Profile Data
Dr. John Alva Simpson accepts plans from 5 insurance carriers
Dr. Simpson is in network with 5 carriers, including CareFirst BlueCross BlueShield, Molina and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- CareFirst BlueCross BlueShield
- Molina
- HCSC
- Regence Health Plans
- Blue Cross Blue Shield of Michigan
Plan types Dr. Simpson accepts, by number of carriers
- Medicare4
- HMO3
- PPO3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. John Alva Simpson'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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. John Alva Simpson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John Alva Simpson's NPI number?
Dr. John Alva Simpson's NPI number is 1417049347. It was assigned on September 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Alva Simpson?
Dr. John Alva Simpson is an allergist and immunologist in Knoxville, Tennessee. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).
Where does Dr. John Alva Simpson practice?
Dr. Simpson practices at 6305 Castle Place, Falls Church, VA 22044-1905. Dr. Simpson also practices at 1924 Alcoa Hwy, Knoxville, TN 37920. Dr. Simpson's primary practice is Northern Virginia Allergy And Asthma Associates in Falls Church, Virginia. Dmand AI also links Dr. Simpson to 1 medical group.
What is Dr. John Alva Simpson's office phone number?
The practice phone on file for Dr. Simpson is (703) 534-5500.
What is Dr. John Alva Simpson's medical license number?
Dr. Simpson holds Virginia license 0101045826, one of the licenses on file in 3 states.
Which states has Dr. John Alva Simpson been licensed in?
Dmand AI has state licenses on file for Dr. Simpson in Virginia (1990 to 2026), North Carolina (1989 to 1992) and Alabama (1982 to 1990).
What medical group is Dr. John Alva Simpson part of?
Dr. Simpson is linked to Mid-Atlantic Emergency Medical Associates. Dmand AI links Dr. Simpson to 1 more medical group.
Does Dr. John Alva Simpson accept Medicare?
Yes. CMS data shows Dr. Simpson billed Medicare for 2,769 services in 2022.
Is Dr. John Alva Simpson board certified?
Yes. Dr. Simpson is board certified in allergy & immunology by the American Board of Allergy and Immunology.
What services does Dr. John Alva Simpson bill to Medicare?
In 2022, Dr. Simpson's most billed Medicare services were allergy test or treatment (95165), allergy test or treatment (95004) and allergy test or treatment (95117).
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Where did Dr. John Alva Simpson go to medical school?
Dr. Simpson graduated from School of Medicine Columbia in 1981.
What drugs does Dr. John Alva Simpson prescribe most?
In 2022 Medicare Part D data, Dr. Simpson's most prescribed drugs by claims were Symbicort and Montelukast Sodium.
Has Dr. John Alva Simpson received payments from drug or device companies?
CMS Open Payments shows $5,449 in general payments to Dr. Simpson from 19 companies from 2016 to 2022. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. John Alva Simpson been practicing?
Dr. Simpson graduated from medical school in 1981, 45 years ago.
What insurance does Dr. John Alva Simpson accept?
Dr. Simpson is in network with 5 carriers, including CareFirst BlueCross BlueShield, Molina and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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