Am J Dis Child
Antibodies, BacterialAntibody SpecificityFetal Blood
Dr. David Scott Chudwin, MD
NPI1669472262PAC ID2860450772
- Medicare services, 2023
- 2,078
- Part D claims, 2024
- 174
- Publications
- 17
- Industry payments
- $10,261
- Affiliated sites
- 2
- Practice address
- 500 Skokie Blvd, Northbrook, IL 60062
- Practice phone
- Call (847) 272-4296
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Allergy and Asthma Associates
Northbrook, Illinois
Find Dr. Chudwin'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. David Scott Chudwin is an allergist and immunologist in Northbrook, Illinois
Dr. Chudwin practices at Allergy and Asthma Associates in Northbrook, Illinois.
Dr. Chudwin's NPI, 1669472262, was assigned on July 26, 2005. Dr. Chudwin graduated from University Of Michigan Medical School in 1976. Dr. Chudwin holds Illinois license 036-064258.
NPI and contact details
- NPI
- 1669472262NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860450772
- NPI enumeration date
- July 26, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 272-4296
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Scott Chudwin practices at Allergy and Asthma Associates in Northbrook, Illinois
Dr. Chudwin's primary practice is Allergy and Asthma Associates, at 500 Skokie Blvd, Northbrook, IL 60062 in Cook County. The practice phone is (847) 272-4296.
- Allergy and Asthma Associates500 Skokie Blvd, Northbrook, IL 60062 · Cook CountyPhone(847) 272-4296
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David Scott Chudwin is affiliated with 3 sites of care and 1 medical group
Dr. Chudwin's primary practice is Allergy and Asthma Associates in Northbrook, Illinois. The medical group on file is Allergy and Asthma Associates. Dmand AI also links Dr. Chudwin to 1 more physician office and 1 group practice or clinic, each named with a free account.
Allergy and Asthma AssociatesPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David Scott Chudwin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chudwin practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Allergy and Asthma Associates | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Scott Chudwin is one of 145 allergists and immunologists in Illinois
Allergy and immunology is Dr. Chudwin's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Chudwin is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dmand AI has Dr. Chudwin's licenses on file in 3 states: Illinois, California and Wisconsin.
Specialties and state licenses
- Allergy and immunology, IllinoisPrimary
- California license
- Wisconsin license
Clinical focus
Dmand AI lists asthma, chronic nasal allergies, chronic sinusitis, hives, immune deficiency disease and upper respiratory infection (URI) among the conditions Dr. Chudwin treats.
Allergists and immunologists near Dr. Chudwin
Counts of allergists and immunologists with a Dmand AI profile, by place and practice. Each opens the list.
145allergists and immunologists in Illinois
4allergists and immunologists in Northbrook
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. David Scott Chudwin billed Medicare for 2,078 services in 2023
CMS data shows 2,078 Medicare services from Dr. Chudwin across 7 procedure codes in 2023. Medicare paid $35,500 for them. Every service was in an office.
Medicare services, 20232,078
Paid by Medicare$35,500
Procedure codes7
Dr. Chudwin's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Tests and treatments
- 2022: 2,1572023: 1,83115%
- Office and hospital visits
- 2022: 2702023: 2479%
Dr. Chudwin compared with the Illinois median for allergists and immunologists, 2023
- Dr. Chudwin
- Illinois median
- Medicare services
- 2,078vs 9052.3 times
- Part D claims
- 96vs 24661% below
Medians across 130 allergists and immunologists in Illinois with Dmand AI profiles that report each measure.
Dr. Chudwin's most billed Medicare procedure codes, 2023
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. Chudwin?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chudwin 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. David Scott Chudwin's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Chudwin's median patient age at 69, with 60% women.
Dr. Chudwin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women60%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. David Scott Chudwin wrote 174 Medicare Part D claims in 2024
In 2024, Dr. Chudwin wrote 174 Medicare Part D claims for 49 patients. 57% of them were for generic drugs. CMS names the drug for 96 of them, across 5 drugs with 11 or more claims each, at $20,836 in total drug cost. In 2023, CMS named 412 claims across 14 drugs.
Part D claims, 2024174
Drugs named by CMS5
Total drug cost$20,836
Part D patients49
Dr. Chudwin's Part D claims by kind of drug, 2024
- Generic99 claims57%
- Brand-name75 claims43%
Dr. Chudwin's most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4122024: 9677%
Drugs named by CMS: 5 in 2024, 14 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. David Scott Chudwin takes part in Medicare
Dr. Chudwin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. David Scott Chudwin has 17 publications on record
Dmand AI links 17 papers to Dr. Chudwin. The most frequent topics are Antibodies, Bacterial, B-Lymphocytes and Opsonin Proteins. Dr. Chudwin has published most often in J Pediatr. Dr. Chudwin's most frequent co-authors are Diane W. Wara, MD, Morton J. Cowan, MD and David Bruce Hellmann, MD.
Papers17
Topics Dr. Chudwin writes about most
- Antibodies, Bacterial
- B-Lymphocytes
- Opsonin Proteins
- Pneumonia, Pneumocystis
- Streptococcus pneumoniae
- T-Lymphocytes
- Acquired Immunodeficiency Syndrome
- Complement System Proteins
Dr. Chudwin's most frequent co-authors
- Diane W. Wara, MD12 shared papers
- Morton J. Cowan, MD10 shared papers
- David Bruce Hellmann, MD2 shared papers
Recent publications by Dr. Chudwin
AntibodiesAntigens, NuclearMixed Connective Tissue Disease
Acta Paediatr Scand
AspergillosisGranulomatous Disease, ChronicLung Diseases, Fungal
See who Dr. Chudwin researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chudwin works with, so you can find a warm path to the right allergists and immunologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. David Scott Chudwin received $10,261 in industry payments from 2016 to 2023
CMS Open Payments shows 346 general payments to Dr. Chudwin from 27 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 65% of the total. Optinose US, Inc. paid the most, $2,252.
General payments to Dr. Chudwin by program year, 2016 to 2023
General payments to Dr. Chudwin by kind, 2016 to 2023
$10.3Kin total
- Food and beverage$6,66565%
- Consulting fees$2,00019%
- Speaker and faculty fees$1,30013%
- Travel and lodging$1992%
- Education$981%
Companies that paid Dr. Chudwin the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Scott Chudwin has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Chudwin, most recently Regional Top Doctor in 2014.
Awards and honors for Dr. Chudwin
- 2014
- Regional Top Doctor
- 2011
- AAAAI Fellow
- Undated
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. David Scott Chudwin graduated from University Of Michigan Medical School
Dr. Chudwin graduated from University Of Michigan Medical School in 1976. Dr. Chudwin is a member of AAAAI.
- Medical school
- Board certified in allergy & immunology
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. David Scott Chudwin accepts plans from 9 insurance carriers
Dr. Chudwin is in network with 9 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Cigna. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- Cigna
- HCSC
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- CMS Medicare
- +1 more carriersWith a free account
Plan types Dr. Chudwin accepts, by number of carriers
- Medicare8
- PPO7
- HMO5
- POS4
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. David Scott Chudwin'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 |
| 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)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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. David Scott Chudwin
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. David Scott Chudwin's NPI number?
Dr. David Scott Chudwin's NPI number is 1669472262. It was assigned on July 26, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. David Scott Chudwin?
Dr. David Scott Chudwin is an allergist and immunologist in Northbrook, Illinois. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).
Where does Dr. David Scott Chudwin practice?
Dr. Chudwin practices at 500 Skokie Blvd, Northbrook, IL 60062. Dr. Chudwin's primary practice is Allergy and Asthma Associates in Northbrook, Illinois. Dmand AI also links Dr. Chudwin to 1 physician office and 1 group practice or clinic.
What is Dr. David Scott Chudwin's office phone number?
The practice phone on file for Dr. Chudwin is (847) 272-4296.
What is Dr. David Scott Chudwin's medical license number?
Dr. Chudwin holds Illinois license 036-064258, one of the licenses on file in 3 states.
Which states has Dr. David Scott Chudwin been licensed in?
Dmand AI has state licenses on file for Dr. Chudwin in Illinois (1982 to 2026), California (since 1979) and Wisconsin (1977 to 2025).
What medical group is Dr. David Scott Chudwin part of?
Dr. Chudwin is linked to Allergy and Asthma Associates.
Does Dr. David Scott Chudwin accept Medicare?
Yes. CMS data shows Dr. Chudwin billed Medicare for 2,078 services in 2023, and Dr. Chudwin accepts Medicare assignment.
Is Dr. David Scott Chudwin board certified?
Yes. Dr. Chudwin is board certified in allergy & immunology by the American Board of Allergy and Immunology.
What services does Dr. David Scott Chudwin bill to Medicare?
In 2023, Dr. Chudwin's most billed Medicare services were allergy test or treatment (95004), allergy test or treatment (95165) and allergy test or treatment (95117).
Show 7 more questionsShow fewer questions
Where did Dr. David Scott Chudwin go to medical school?
Dr. Chudwin graduated from University Of Michigan Medical School in 1976.
What drugs does Dr. David Scott Chudwin prescribe most?
In 2024 Medicare Part D data, Dr. Chudwin's most prescribed drugs by claims were Ipratropium Bromide, Montelukast Sodium and Trelegy Ellipta.
Has Dr. David Scott Chudwin received payments from drug or device companies?
CMS Open Payments shows $10,261 in general payments to Dr. Chudwin from 27 companies from 2016 to 2023. The largest total came from Optinose US, Inc.
How long has Dr. David Scott Chudwin been practicing?
Dr. Chudwin graduated from medical school in 1976, 50 years ago.
Does Dr. David Scott Chudwin do research?
Dmand AI links 17 publications to Dr. Chudwin.
Who does Dr. David Scott Chudwin publish with?
Dr. Chudwin's most frequent co-authors are Diane W. Wara, MD (12 shared papers), Morton J. Cowan, MD (10 shared papers) and David Bruce Hellmann, MD (2 shared papers).
What insurance does Dr. David Scott Chudwin accept?
Dr. Chudwin is in network with 9 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Cigna. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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