Dr. Jeffrey T. Klenz, MD
- Medicare services, 2024
- 2,026
- Medicare patients, 2024
- 815
- Part D claims, 2024
- 4,296
- MIPS score, 2024
- 92
- Hospital affiliations
- 1
- Practice address
- 41 & 45 Mall Road, Burlington, MA 01803
- Practice phone
- Call (781) 744-5100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Klenz's professional email, personal email and mobile number
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Dr. Jeffrey T. Klenz is a pulmonologist in Burlington, Massachusetts
Dr. Klenz practices at Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health.
Dr. Klenz's NPI, 1376527630, was assigned on December 1, 2005. Dr. Klenz graduated from University of Minnesota Medical School in 1989. Dr. Klenz holds Massachusetts license 74561.
- NPI
- 1376527630NPI Registry (opens in a new tab)
- NPI enumeration date
- December 1, 2005
- NPI status
- Active
- Practice phone
- (781) 744-5100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Jeffrey T. Klenz practices at Lahey Clinic in Burlington, Massachusetts
Dr. Klenz's primary practice is Lahey Clinic, at 41 & 45 Mall Road, Burlington, MA 01803 in Middlesex County. The practice phone is (781) 744-5100.
- Lahey Clinic41 & 45 Mall Road, Burlington, MA 01803 · Middlesex CountyPhone(781) 744-5100
Source: Dmand AI Affiliation Data
Dr. Jeffrey T. Klenz is affiliated with 2 sites of care and 1 medical group
Dr. Klenz's primary practice is Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health. The medical group on file is Lahey Clinic. Dmand AI also links Dr. Klenz to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jeffrey T. Klenz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klenz practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lahey Clinic | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Beth Israel Lahey Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Jeffrey T. Klenz is one of 485 pulmonologists in Massachusetts
Pulmonary disease is Dr. Klenz's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Klenz is licensed in Massachusetts.
Specialties and state licenses
- Pulmonary disease, MassachusettsPrimary
Pulmonologists near Dr. Klenz
Counts of pulmonologists 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. Jeffrey T. Klenz billed Medicare for 2,026 services in 2024
CMS data shows 2,026 Medicare services from Dr. Klenz across 15 procedure codes in 2024, for 815 Medicare patients. Medicare paid $84,434 for them.
Dr. Klenz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1402024: 1,0439%
- Tests and treatments
- 2023: 8932024: 98310%
Where Dr. Klenz's Medicare services took place, 2024
- In an office372%
- In a facility1,98998%
Dr. Klenz compared with the Massachusetts median for pulmonologists, 2024
- Dr. Klenz
- Massachusetts median
- Medicare services
- 2,026vs 4754.3 times
- Medicare patients
- 815vs 2553.2 times
- Part D claims
- 4,215vs 32912.8 times
Medians across 481 pulmonologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Klenz'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.
Need commercial claims for Dr. Klenz?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Klenz and other pulmonologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jeffrey T. Klenz treated 815 Medicare patients in 2024, average age 75
CMS counts 815 Medicare patients who saw Dr. Klenz in 2024. The largest group is 75 to 84, with 351 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.72, 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. Klenz's median patient age at 74, with 55% women.
Dr. Klenz's Medicare patients by age, 2024
Dr. Klenz's Medicare patients by sex, 2024
- Women45255%
- Men36345%
Chronic conditions among Dr. Klenz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- COPD50%
- Ischemic heart disease37%
- Anxiety34%
- Chronic kidney disease34%
- Mood disorders31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Klenz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jeffrey T. Klenz wrote 4,296 Medicare Part D claims in 2024
In 2024, Dr. Klenz wrote 4,296 Medicare Part D claims for 662 patients. 32% of them were for generic drugs. CMS names the drug for 4,215 of them, across 44 drugs with 11 or more claims each, at $2,234,787 in total drug cost. In 2023, CMS named 3,515 claims across 32 drugs.
Dr. Klenz's Part D claims by kind of drug, 2024
- Generic1,387 claims32%
- Brand-name2,909 claims68%
Dr. Klenz'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. Klenz's Part D claims, 2024
- Antibiotics5%230 of 4,296 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: 3,5152024: 4,21520%
Drugs named by CMS: 44 in 2024, 32 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. Jeffrey T. Klenz scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Klenz for performance year 2024, reported through an alternative payment model (APM).
Dr. Klenz's MIPS scores, performance year 2024
- 92of 100Final score
- 76.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Jeffrey T. Klenz received $285 in industry payments from 2019 to 2025
CMS Open Payments shows 15 general payments to Dr. Klenz from 3 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 95% of the total. AstraZeneca Pharmaceuticals LP paid the most, $142.
General payments to Dr. Klenz by program year, 2019 to 2025
General payments to Dr. Klenz by kind, 2019 to 2025
- Food and beverage$27095%
- Education$155%
Companies that paid Dr. Klenz the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jeffrey T. Klenz graduated from University of Minnesota Medical School
Dr. Klenz graduated from University of Minnesota Medical School in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jeffrey T. Klenz'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 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 | Clinician Public Reporting: Overall MIPS Performance (CMS) (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. Jeffrey T. Klenz
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. Jeffrey T. Klenz's NPI number?
Dr. Jeffrey T. Klenz's NPI number is 1376527630. It was assigned on December 1, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeffrey T. Klenz?
Dr. Jeffrey T. Klenz is a pulmonologist in Burlington, Massachusetts. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Jeffrey T. Klenz practice?
Dr. Klenz practices at 41 & 45 Mall Road, Burlington, MA 01803. Dr. Klenz's primary practice is Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Klenz to 1 group practice or clinic.
What is Dr. Jeffrey T. Klenz's office phone number?
The practice phone on file for Dr. Klenz is (781) 744-5100.
What is Dr. Jeffrey T. Klenz's medical license number?
Dr. Klenz holds Massachusetts license 74561.
Which hospitals is Dr. Jeffrey T. Klenz affiliated with?
Dr. Klenz practices at Lahey Clinic in Burlington, Massachusetts.
What medical group is Dr. Jeffrey T. Klenz part of?
Dr. Klenz is linked to Lahey Clinic.
Does Dr. Jeffrey T. Klenz accept Medicare?
Yes. CMS data shows Dr. Klenz billed Medicare for 2,026 services in 2024.
What is Dr. Jeffrey T. Klenz's MIPS score?
Dr. Klenz's MIPS final score for performance year 2024 is 92 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Jeffrey T. Klenz see?
CMS counts 815 Medicare patients who saw Dr. Klenz in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Jeffrey T. Klenz bill to Medicare?
In 2024, Dr. Klenz's most billed Medicare services were office visit, established patient (99214), lung function service (94729) and office visit, established patient (99213).
Where did Dr. Jeffrey T. Klenz go to medical school?
Dr. Klenz graduated from University of Minnesota Medical School in 1989.
What drugs does Dr. Jeffrey T. Klenz prescribe most?
In 2024 Medicare Part D data, Dr. Klenz's most prescribed drugs by claims were Trelegy Ellipta, Albuterol Sulfate Hfa and Breo Ellipta.
Has Dr. Jeffrey T. Klenz received payments from drug or device companies?
CMS Open Payments shows $285 in general payments to Dr. Klenz from 3 companies from 2019 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Jeffrey T. Klenz been practicing?
Dr. Klenz graduated from medical school in 1989, 37 years ago.
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