Dr. Deana L. Dy, MD
- Medicare services, 2018
- 189
- Part D claims, 2018
- 175
- Industry payments
- $33
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 25 S Virginia St Suite 203 Suite 203, Crystal Lake, IL 60014
- Practice phone
- Call (815) 459-5440
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Allerclinic LTD
Physician office · Crystal Lake, Illinois
Find Dr. Dy's professional email, personal email and mobile number
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Dr. Deana L. Dy is an allergist and immunologist in Crystal Lake, Illinois
Dr. Dy practices at Allerclinic LTD in Crystal Lake, Illinois.
Dr. Dy's NPI, 1518950781, was assigned on August 23, 2005. Dr. Dy holds Illinois license 036-057986.
- NPI
- 1518950781NPI Registry (opens in a new tab)
- NPI enumeration date
- August 23, 2005
- NPI status
- Active
- Practice phone
- (815) 459-5440
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Deana L. Dy practices at Allerclinic LTD in Crystal Lake, Illinois
Dr. Dy's primary practice is Allerclinic LTD, at 25 S Virginia St Suite 203 Suite 203, Crystal Lake, IL 60014. The practice phone is (815) 459-5440.
- Allerclinic LTD25 S Virginia St Suite 203 Suite 203, Crystal Lake, IL 60014Phone(815) 459-5440
Source: Dmand AI Affiliation Data
Dr. Deana L. Dy is affiliated with 1 site of care
Dr. Dy's primary practice is Allerclinic LTD in Crystal Lake, Illinois.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Deana L. Dy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dy practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Allerclinic LTD | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Deana L. Dy is one of 145 allergists and immunologists in Illinois
Allergy and immunology is Dr. Dy's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Dy is licensed in Illinois.
Specialties and state licenses
- Allergy and immunology, IllinoisPrimary
Allergists and immunologists near Dr. Dy
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. Deana L. Dy billed Medicare for 189 services in 2018
CMS data shows 189 Medicare services from Dr. Dy across 2 procedure codes in 2018. Medicare paid $8,336 for them. Every service was in an office.
Dr. Dy's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 2392018: 15535%
- Tests and treatments
- 2017: 362018: 346%
Dr. Dy compared with the Illinois median for allergists and immunologists, 2018
- Dr. Dy
- Illinois median
- Medicare services
- 189vs 90579% below
- Part D claims
- 175vs 24629% below
Medians across 130 allergists and immunologists in Illinois with Dmand AI profiles that report each measure.
Dr. Dy's most billed Medicare procedure codes, 2018
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Dy?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dy and other allergists and immunologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Deana L. Dy wrote 175 Medicare Part D claims in 2018
In 2018, Dr. Dy wrote 175 Medicare Part D claims. They cover 6 drugs, with $32,414 in total drug cost. In 2017, CMS named 180 claims across 6 drugs.
Dr. Dy's most prescribed drugs by claims, 2018
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, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 1802018: 1753%
Drugs named by CMS: 6 in 2018, 6 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Deana L. Dy received $33 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Dy from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Meda Pharmaceuticals, Inc. paid the most, $33.
Companies that paid Dr. Dy the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Deana L. Dy'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 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 |
| 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) |
| 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. Deana L. Dy
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. Deana L. Dy's NPI number?
Dr. Deana L. Dy's NPI number is 1518950781. It was assigned on August 23, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Deana L. Dy?
Dr. Deana L. Dy is an allergist and immunologist in Crystal Lake, Illinois. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).
Where does Dr. Deana L. Dy practice?
Dr. Dy practices at 25 S Virginia St Suite 203 Suite 203, Crystal Lake, IL 60014. Dr. Dy's primary practice is Allerclinic LTD in Crystal Lake, Illinois.
What is Dr. Deana L. Dy's office phone number?
The practice phone on file for Dr. Dy is (815) 459-5440.
What is Dr. Deana L. Dy's medical license number?
Dr. Dy holds Illinois license 036-057986.
Does Dr. Deana L. Dy accept Medicare?
Yes. CMS data shows Dr. Dy billed Medicare for 189 services in 2018.
What services does Dr. Deana L. Dy bill to Medicare?
In 2018, Dr. Dy's most billed Medicare services were office visit, established patient (99213) and lung function service (94060).
What drugs does Dr. Deana L. Dy prescribe most?
In 2018 Medicare Part D data, Dr. Dy's most prescribed drugs by claims were Montelukast Sodium, Symbicort and Azelastine HCl.
Has Dr. Deana L. Dy received payments from drug or device companies?
CMS Open Payments shows $33 in general payments to Dr. Dy from 1 company from 2016 to 2016. The largest total came from Meda Pharmaceuticals, Inc.
How long has Dr. Deana L. Dy been practicing?
Dr. Dy's NPI was assigned in 2005.
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