Dr. Edward M. Kerwin, MD
- Medicare services, 2024
- 10,468
- Medicare patients, 2024
- 283
- Part D claims, 2024
- 511
- Publications
- 99
- Clinical trials
- 14
- Practice address
- 3860 Crater Lake Ave, Medford, OR 97504
- Practice phone
- Call (541) 858-1003
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Allergy & Asthma Center of Southern Oregon
Medford, Oregon
Find Dr. Kerwin'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. Edward M. Kerwin is an allergy physician in Medford, Oregon
Dr. Kerwin practices at Allergy & Asthma Center of Southern Oregon in Medford, Oregon.
Dr. Kerwin's NPI, 1568465847, was assigned on May 31, 2005. Dr. Kerwin graduated from University of Colorado School of Medicine, Denver in 1988. Dr. Kerwin holds Oregon license MD18405.
- NPI
- 1568465847NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092702761
- NPI enumeration date
- May 31, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (541) 858-1003
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Edward M. Kerwin practices at Allergy & Asthma Center of Southern Oregon in Medford, Oregon
Dr. Kerwin's primary practice is Allergy & Asthma Center of Southern Oregon, at 3860 Crater Lake Ave, Medford, OR 97504 in Jackson County. The practice phone is (541) 858-1003.
- Allergy & Asthma Center of Southern Oregon3860 Crater Lake Ave, Medford, OR 97504 · Jackson CountyPhone(541) 858-1003
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Edward M. Kerwin is affiliated with 2 sites of care and 1 medical group
Dr. Kerwin's primary practice is Allergy & Asthma Center of Southern Oregon in Medford, Oregon. The medical group on file is Allergy & Asthma Center of Southern Oregon. Dmand AI also links Dr. Kerwin to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Edward M. Kerwin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kerwin practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Allergy & Asthma Center of Southern Oregon | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Edward M. Kerwin is one of 7 allergy physicians in Oregon
Allergy is Dr. Kerwin's primary specialty in the NPI Registry, under taxonomy code 207KA0200X. Dr. Kerwin is licensed in Oregon.
Specialties and state licenses
- Allergy, OregonPrimary
Allergy physicians near Dr. Kerwin
Counts of allergy physicians 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. Edward M. Kerwin billed Medicare for 10,468 services in 2024
CMS data shows 10,468 Medicare services from Dr. Kerwin across 9 procedure codes in 2024, for 283 Medicare patients. Medicare paid $120,926 for them. Every service was in an office.
Dr. Kerwin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 9,2532024: 10,35012%
- Office and hospital visits
- 2023: 1092024: 1188%
Dr. Kerwin's most billed Medicare procedure codes, 2024
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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Source: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data
Dr. Edward M. Kerwin treated 283 Medicare patients in 2024, average age 73
CMS counts 283 Medicare patients who saw Dr. Kerwin in 2024. The largest group is 65 to 74, with 153 patients. 67% of them have high cholesterol, and 59% have high blood pressure. 6% are also on Medicaid. Their average risk score is 0.83, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kerwin's median patient age at 70, with 60% women.
Dr. Kerwin's Medicare patients by age, 2024
Dr. Kerwin's Medicare patients by sex, 2024
- Women17160%
- Men11240%
Chronic conditions among Dr. Kerwin's Medicare patients, 2024
- High cholesterol67%
- High blood pressure59%
- Arthritis51%
- Asthma51%
- Mood disorders23%
- Depression21%
- Anxiety17%
- Cancer16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kerwin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Edward M. Kerwin wrote 511 Medicare Part D claims in 2024
In 2024, Dr. Kerwin wrote 511 Medicare Part D claims for 132 patients. 71% of them were for generic drugs. CMS names the drug for 401 of them, across 8 drugs with 11 or more claims each, at $44,369 in total drug cost. In 2023, CMS named 408 claims across 12 drugs.
Dr. Kerwin's Part D claims by kind of drug, 2024
- Generic362 claims71%
- Brand-name149 claims29%
Dr. Kerwin'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.
Drug classes CMS tracks in Dr. Kerwin's Part D claims, 2024
- Antibiotics4%22 of 511 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4082024: 4012%
Drugs named by CMS: 8 in 2024, 12 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
Dr. Edward M. Kerwin scored 23 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 23 out of 100 for Dr. Kerwin for performance year 2024, reported individually. Dr. Kerwin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Kerwin's MIPS scores, performance year 2024
- 23of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Edward M. Kerwin has 99 publications on record
Dmand AI links 99 papers to Dr. Kerwin, published from 2008 to 2025. 2019 was the busiest year, with 16. The most frequent topics are Bronchodilator Agents, Double-Blind Method and Pulmonary Disease, Chronic Obstructive. Dr. Kerwin has published most often in Int J Chron Obstruct Pulmon Dis. Dr. Kerwin's most frequent co-authors are Gary Thomas Ferguson, MD, David Andrew Lipson, MD and Paul Jones, MD.
Dr. Kerwin's papers by year, 2015 to 2025
Topics Dr. Kerwin writes about most
- Bronchodilator Agents
- Double-Blind Method
- Pulmonary Disease, Chronic Obstructive
- Administration, Inhalation
- Forced Expiratory Volume
- Muscarinic Antagonists
- Drug Combinations
- Adrenergic beta-2 Receptor Agonists
Dr. Kerwin's most frequent co-authors
- Gary Thomas Ferguson, MD13 shared papers
- David Andrew Lipson, MD12 shared papers
- Paul Jones, MD11 shared papers
Recent publications by Dr. Kerwin
J Aerosol Med Pulm Drug Deliv
J Allergy Clin Immunol Pract
See who Dr. Kerwin researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kerwin works with, so you can find a warm path to the right allergy physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Edward M. Kerwin has worked on 14 clinical trials
Dmand AI links Dr. Kerwin to 14 clinical trials, 4 of them phase 3 studies. Conditions studied include Dermatitis, Atopic, Eczema and Asthma. Eli Lilly and Company sponsors the most, 3. Open Payments lists research payments to Dr. Kerwin that name 4 trials.
Clinical trials with Dr. Kerwin by phase
- NonePhase 1: no trials
- 1Phase 1/2: 1 trial
- 1Phase 2: 1 trial
- 4Phase 3: 4 trials
- 1Phase 4: 1 trial
Conditions in Dr. Kerwin's trials
- Dermatitis, Atopic
- Eczema
- Asthma
- Pulmonary Disease, Chronic Obstructive
- Lung Diseases, Obstructive
Investigators on the most trials with Dr. Kerwin
- Armando Enrique Acevedo, MD4 shared trials
- Neil Scott Sadick, MD4 shared trials
- Ricardo Antonio Tan, MD4 shared trials
Recent clinical trials with Dr. Kerwin
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Edward M. Kerwin received $196,824 in industry payments from 2016 to 2023
CMS Open Payments shows 433 general payments to Dr. Kerwin from 23 drug and device companies from 2016 to 2023. Consulting fees make up the largest share, 40% of the total. GlaxoSmithKline, LLC. paid the most, $48,348. It also lists 302 research payments totaling $978,235 from 2016 to 2022, naming 4 clinical trials.
General payments to Dr. Kerwin by program year, 2016 to 2023
General payments to Dr. Kerwin by kind, 2016 to 2023
- Consulting fees$77,75740%
- Speaker and faculty fees$49,91325%
- Travel and lodging$41,72021%
- Education$13,5947%
- Other$13,8407%
Companies that paid Dr. Kerwin 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. Edward M. Kerwin graduated from University of Colorado School of Medicine, Denver
Dr. Kerwin graduated from University of Colorado School of Medicine, Denver in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Edward M. Kerwin'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) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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)Clinician Public Reporting: Overall MIPS Performance (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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Edward M. Kerwin
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. Edward M. Kerwin's NPI number?
Dr. Edward M. Kerwin's NPI number is 1568465847. It was assigned on May 31, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Edward M. Kerwin?
Dr. Edward M. Kerwin is an allergy physician in Medford, Oregon. The primary specialty in the NPI Registry is Allergy Physician (taxonomy code 207KA0200X).
Where does Dr. Edward M. Kerwin practice?
Dr. Kerwin practices at 3860 Crater Lake Ave, Medford, OR 97504. Dr. Kerwin's primary practice is Allergy & Asthma Center of Southern Oregon in Medford, Oregon. Dmand AI also links Dr. Kerwin to 1 group practice or clinic.
What is Dr. Edward M. Kerwin's office phone number?
The practice phone on file for Dr. Kerwin is (541) 858-1003.
What is Dr. Edward M. Kerwin's medical license number?
Dr. Kerwin holds Oregon license MD18405.
What medical group is Dr. Edward M. Kerwin part of?
Dr. Kerwin is linked to Allergy & Asthma Center of Southern Oregon.
Does Dr. Edward M. Kerwin accept Medicare?
Yes. CMS data shows Dr. Kerwin billed Medicare for 10,468 services in 2024, and Dr. Kerwin accepts Medicare assignment.
What is Dr. Edward M. Kerwin's MIPS score?
Dr. Kerwin's MIPS final score for performance year 2024 is 23 out of 100, reported individually.
How many Medicare patients does Dr. Edward M. Kerwin see?
CMS counts 283 Medicare patients who saw Dr. Kerwin in 2024, with an average age of 73.
What services does Dr. Edward M. Kerwin bill to Medicare?
In 2024, Dr. Kerwin's most billed Medicare services were allergy test or treatment (95165), allergy test or treatment (95117) and allergy test or treatment (95004).
Show 6 more questionsShow fewer questions
Where did Dr. Edward M. Kerwin go to medical school?
Dr. Kerwin graduated from University of Colorado School of Medicine, Denver in 1988.
What drugs does Dr. Edward M. Kerwin prescribe most?
In 2024 Medicare Part D data, Dr. Kerwin's most prescribed drugs by claims were Prednisone, Fluticasone-Salmeterol and Albuterol Sulfate Hfa.
Has Dr. Edward M. Kerwin received payments from drug or device companies?
CMS Open Payments shows $196,824 in general payments to Dr. Kerwin from 23 companies from 2016 to 2023. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Edward M. Kerwin been practicing?
Dr. Kerwin graduated from medical school in 1988, 38 years ago.
Does Dr. Edward M. Kerwin do research?
Dmand AI links 99 publications to Dr. Kerwin, published from 2008 to 2025. Dr. Kerwin has worked on 14 clinical trials.
Who does Dr. Edward M. Kerwin publish with?
Dr. Kerwin's most frequent co-authors are Gary Thomas Ferguson, MD (13 shared papers), David Andrew Lipson, MD (12 shared papers) and Paul Jones, MD (11 shared papers).
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