Dr. John Kuster, MD
- Medicare services, 2024
- 241
- Medicare patients, 2024
- 150
- Part D claims, 2024
- 322
- MIPS score, 2024
- 87
- Hospital affiliations
- 2
- Practice address
- 50 Division St, New Haven, CT 06511
- Practice phone
- Call (203) 785-2140
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Yale Medicine
New Haven, Connecticut
Find Dr. Kuster's professional email, personal email and mobile number
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Dr. John Kuster is an allergist and immunologist in New Haven, Connecticut
Dr. Kuster practices at Yale Medicine in New Haven, Connecticut.
Dr. Kuster's NPI, 1952834087, was assigned on April 5, 2017. Dr. Kuster graduated from St. George's University School of Medicine in 2017. Dr. Kuster holds Connecticut license 66689.
- NPI
- 1952834087NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416339965
- NPI enumeration date
- April 5, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (203) 785-2140
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Kuster practices at Yale Medicine in New Haven, Connecticut
Dr. Kuster's primary practice is Yale Medicine, at 50 Division St, New Haven, CT 06511 in South Central Ct County. The practice phone is (203) 785-2140.
- Yale Medicine50 Division St, New Haven, CT 06511 · South Central Ct CountyPhone(203) 785-2140
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Kuster is affiliated with 4 sites of care and 1 medical group
Dr. Kuster's primary practice is Yale Medicine in New Haven, Connecticut. Dr. Kuster is also affiliated with Yale New Haven Hospital. The medical group on file is Yale Health. Dmand AI also links Dr. Kuster to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Kuster's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kuster practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Yale Medicine | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Kuster is one of 51 allergists and immunologists in Connecticut
Allergy and immunology is Dr. Kuster's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Kuster is licensed in Connecticut.
Specialties and state licenses
- Allergy and immunology, ConnecticutPrimary
Allergists and immunologists near Dr. Kuster
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 Kuster billed Medicare for 241 services in 2024
CMS data shows 241 Medicare services from Dr. Kuster across 5 procedure codes in 2024, for 150 Medicare patients. Medicare paid $16,925 for them. Every service was in an office.
Dr. Kuster's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1812024: 22927%
- Tests and treatments
- 2023: 4272024: 1297%
Dr. Kuster compared with the Connecticut median for allergists and immunologists, 2024
- Dr. Kuster
- Connecticut median
- Medicare services
- 241vs 83871% below
- Medicare patients
- 150vs 8674% above
- Part D claims
- 264vs 15570% above
Medians across 50 allergists and immunologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Kuster'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Kuster treated 150 Medicare patients in 2024, average age 71
CMS counts 150 Medicare patients who saw Dr. Kuster in 2024. The largest group is 65 to 74, with 59 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 31% are also on Medicaid. Their average risk score is 1.67, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Kuster's median patient age at 64, with 70% women.
Dr. Kuster's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kuster's Medicare patients by sex, 2024
- Women10067%
- Men5033%
Chronic conditions among Dr. Kuster's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis62%
- Anxiety41%
- Mood disorders33%
- Asthma32%
- Ischemic heart disease32%
- Depression28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kuster's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women70%
- Men29%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Kuster wrote 322 Medicare Part D claims in 2024
In 2024, Dr. Kuster wrote 322 Medicare Part D claims for 80 patients. 86% of them were for generic drugs. CMS names the drug for 264 of them, across 8 drugs with 11 or more claims each, at $241,373 in total drug cost. In 2023, CMS named 228 claims across 9 drugs.
Dr. Kuster's Part D claims by kind of drug, 2024
- Generic277 claims86%
- Brand-name45 claims14%
Dr. Kuster'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. Kuster's Part D claims, 2024
- Antibiotics4%14 of 322 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: 2282024: 26416%
Drugs named by CMS: 8 in 2024, 9 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. John Kuster scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Kuster for performance year 2024, reported as part of a group. Dr. Kuster accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kuster as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Kuster's MIPS scores, performance year 2024
- 87of 100Final score
- 77.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 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. John Kuster graduated from St. George's University School of Medicine
Dr. Kuster graduated from St. George's University School of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Kuster'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 DataDmand AI Org Hierarchy 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 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) |
| 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. John Kuster
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 Kuster's NPI number?
Dr. John Kuster's NPI number is 1952834087. It was assigned on April 5, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. John Kuster?
Dr. John Kuster is an allergist and immunologist in New Haven, Connecticut. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).
Where does Dr. John Kuster practice?
Dr. Kuster practices at 50 Division St, New Haven, CT 06511. Dr. Kuster's primary practice is Yale Medicine in New Haven, Connecticut. Dmand AI also links Dr. Kuster to 1 hospital and 1 group practice or clinic.
What is Dr. John Kuster's office phone number?
The practice phone on file for Dr. Kuster is (203) 785-2140.
What is Dr. John Kuster's medical license number?
Dr. Kuster holds Connecticut license 66689.
Which hospitals is Dr. John Kuster affiliated with?
Dr. Kuster is affiliated with Yale New Haven Hospital. Dmand AI links Dr. Kuster to 1 more hospital.
What medical group is Dr. John Kuster part of?
Dr. Kuster is linked to Yale Health.
Does Dr. John Kuster accept Medicare?
Yes. CMS data shows Dr. Kuster billed Medicare for 241 services in 2024, and Dr. Kuster accepts Medicare assignment.
Does Dr. John Kuster offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kuster as offering telehealth services.
What is Dr. John Kuster's MIPS score?
Dr. Kuster's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
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How many Medicare patients does Dr. John Kuster see?
CMS counts 150 Medicare patients who saw Dr. Kuster in 2024, with an average age of 71.
What services does Dr. John Kuster bill to Medicare?
In 2024, Dr. Kuster's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, new patient (99204).
Where did Dr. John Kuster go to medical school?
Dr. Kuster graduated from St. George's University School of Medicine in 2017.
What drugs does Dr. John Kuster prescribe most?
In 2024 Medicare Part D data, Dr. Kuster's most prescribed drugs by claims were Levocetirizine Dihydrochloride, Fluticasone Propionate and Azelastine HCl.
How long has Dr. John Kuster been practicing?
Dr. Kuster graduated from medical school in 2017, 9 years ago.
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