Dr. Karen A. Ganz, MD
- Medicare services, 2024
- 1,057
- Medicare patients, 2024
- 407
- Part D claims, 2024
- 6,525
- MIPS score, 2024
- 92
- Hospital affiliations
- 6
- 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. Ganz's professional email, personal email and mobile number
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Dr. Karen A. Ganz is an internist in Burlington, Massachusetts
Dr. Ganz practices at Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health.
Dr. Ganz's NPI, 1851464093, was assigned on November 16, 2006. Dr. Ganz graduated from Tufts University School of Medicine in 2003. Dr. Ganz holds Massachusetts license 230463.
- NPI
- 1851464093NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810998267
- NPI enumeration date
- November 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (781) 744-5100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karen A. Ganz practices at Lahey Clinic in Burlington, Massachusetts
Dr. Ganz'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. Karen A. Ganz is affiliated with 10 sites of care and 1 medical group
Dr. Ganz's primary practice is Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health. Dr. Ganz is also affiliated with Beth Israel Deaconess Medical Center. The medical group on file is Lahey Clinic. Dmand AI also links Dr. Ganz to 4 more hospitals, 3 home health agencies and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Karen A. Ganz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ganz practices, 10 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 |
| +9 more affiliated sites | 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. Karen A. Ganz is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Ganz's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ganz is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Ganz
Counts of internists 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. Karen A. Ganz billed Medicare for 1,057 services in 2024
CMS data shows 1,057 Medicare services from Dr. Ganz across 4 procedure codes in 2024, for 407 Medicare patients. Medicare paid $48,336 for them.
Dr. Ganz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6122024: 5874%
- Other services
- 2023: 282024: 4701579%
Where Dr. Ganz's Medicare services took place, 2024
- In an office989%
- In a facility95991%
Dr. Ganz compared with the Massachusetts median for internists, 2024
- Dr. Ganz
- Massachusetts median
- Medicare services
- 1,057vs 4312.5 times
- Medicare patients
- 407vs 1942.1 times
- Part D claims
- 5,886vs 40214.6 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Ganz'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ganz and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karen A. Ganz treated 407 Medicare patients in 2024, average age 77
CMS counts 407 Medicare patients who saw Dr. Ganz in 2024. The largest group is 75 to 84, with 161 patients. 68% of them have high blood pressure, and 64% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ganz's median patient age at 71, with 77% women.
Dr. Ganz's Medicare patients by age, 2024
Dr. Ganz's Medicare patients by sex, 2024
- Women31577%
- Men9223%
Chronic conditions among Dr. Ganz's Medicare patients, 2024
- High blood pressure68%
- High cholesterol64%
- Arthritis46%
- Osteoporosis26%
- Anxiety23%
- Mood disorders22%
- Cancer18%
- Chronic kidney disease18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ganz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women77%
- Men22%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karen A. Ganz wrote 6,525 Medicare Part D claims in 2024
In 2024, Dr. Ganz wrote 6,525 Medicare Part D claims for 914 patients. 91% of them were for generic drugs. CMS names the drug for 5,886 of them, across 100 drugs with 11 or more claims each, at $305,564 in total drug cost. In 2023, CMS named 5,477 claims across 89 drugs.
Dr. Ganz's Part D claims by kind of drug, 2024
- Generic5,916 claims91%
- Brand-name and other609 claims9%
Dr. Ganz'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. Ganz's Part D claims, 2024
- Opioids3%226 of 6,525 claims
- Antibiotics2%120 of 6,525 claims
- Antipsychotics, patients 65 and over0%18 of 6,525 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: 5,4772024: 5,8867%
Drugs named by CMS: 100 in 2024, 89 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. Karen A. Ganz 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. Ganz for performance year 2024, reported through an alternative payment model (APM). Dr. Ganz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ganz as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Ganz'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.
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. Karen A. Ganz graduated from Tufts University School of Medicine
Dr. Ganz graduated from Tufts University School of Medicine in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Karen A. Ganz'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 | 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. Karen A. Ganz
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. Karen A. Ganz's NPI number?
Dr. Karen A. Ganz's NPI number is 1851464093. It was assigned on November 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Karen A. Ganz?
Dr. Karen A. Ganz is an internist in Burlington, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Karen A. Ganz practice?
Dr. Ganz practices at 41 & 45 Mall Road, Burlington, MA 01803. Dr. Ganz's primary practice is Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Ganz to 4 hospitals, 3 home health agencies and 1 group practice or clinic.
What is Dr. Karen A. Ganz's office phone number?
The practice phone on file for Dr. Ganz is (781) 744-5100.
What is Dr. Karen A. Ganz's medical license number?
Dr. Ganz holds Massachusetts license 230463.
Which hospitals is Dr. Karen A. Ganz affiliated with?
Dr. Ganz practices at Lahey Clinic in Burlington, Massachusetts. Dr. Ganz is also affiliated with Beth Israel Deaconess Medical Center. Dmand AI links Dr. Ganz to 4 more hospitals.
What medical group is Dr. Karen A. Ganz part of?
Dr. Ganz is linked to Lahey Clinic.
Does Dr. Karen A. Ganz accept Medicare?
Yes. CMS data shows Dr. Ganz billed Medicare for 1,057 services in 2024, and Dr. Ganz accepts Medicare assignment.
Does Dr. Karen A. Ganz offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ganz as offering telehealth services.
What is Dr. Karen A. Ganz's MIPS score?
Dr. Ganz's MIPS final score for performance year 2024 is 92 out of 100, reported through an alternative payment model (APM).
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Karen A. Ganz see?
CMS counts 407 Medicare patients who saw Dr. Ganz in 2024, with an average age of 77.
What services does Dr. Karen A. Ganz bill to Medicare?
In 2024, Dr. Ganz's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Karen A. Ganz go to medical school?
Dr. Ganz graduated from Tufts University School of Medicine in 2003.
What drugs does Dr. Karen A. Ganz prescribe most?
In 2024 Medicare Part D data, Dr. Ganz's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
How long has Dr. Karen A. Ganz been practicing?
Dr. Ganz graduated from medical school in 2003, 23 years ago.
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