Dr. Karen M. Freund, MD
- Medicare services, 2024
- 124
- Medicare patients, 2024
- 28
- Part D claims, 2024
- 424
- Hospital affiliations
- 1
- Industry payments
- $27
- Practice address
- 800 Washington Street, Boston, MA 02111
- Practice phone
- Call (617) 636-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Freund'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. Karen M. Freund is an internist in Boston, Massachusetts
Dr. Freund practices at Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine.
Dr. Freund's NPI, 1013973171, was assigned on April 25, 2006. Dr. Freund graduated from Stanford University School of Medicine in 1983. Dr. Freund holds Massachusetts license 53869.
- NPI
- 1013973171NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032382841
- NPI enumeration date
- April 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 636-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karen M. Freund practices at Tufts Medical Center in Boston, Massachusetts
Dr. Freund's primary practice is Tufts Medical Center, at 800 Washington Street, Boston, MA 02111 in Suffolk County. The practice phone is (617) 636-5000.
- Tufts Medical Center800 Washington Street, Boston, MA 02111 · Suffolk CountyPhone(617) 636-5000
Source: Dmand AI Affiliation Data
Dr. Karen M. Freund is affiliated with 3 sites of care and 1 medical group
Dr. Freund's primary practice is Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine. The medical group on file is Pratt Medical Group, Inc. - General Medical Associates (General Internal Medicine). Dmand AI also links Dr. Freund to 1 more group practice or clinic and 1 imaging center, 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 M. Freund's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Freund practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tufts Medical Center | 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. Karen M. Freund is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Freund's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Freund is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Freund
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 M. Freund billed Medicare for 124 services in 2024
CMS data shows 124 Medicare services from Dr. Freund across 3 procedure codes in 2024, for 28 Medicare patients. Medicare paid $7,892 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Freund's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 602024: 7118%
- Other services
- 2023: 02024: 53
Dr. Freund compared with the Massachusetts median for internists, 2024
- Dr. Freund
- Massachusetts median
- Medicare services
- 124vs 43171% below
- Medicare patients
- 28vs 19486% below
- Part D claims
- 257vs 40236% below
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Freund'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. Karen M. Freund treated 28 Medicare patients in 2024, average age 72
CMS counts 28 Medicare patients who saw Dr. Freund in 2024. The largest group is 65 to 74, with 13 patients. 68% of them have high blood pressure, and 50% have anxiety. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Freund's median patient age at 59, with 78% women.
Dr. Freund's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Freund's Medicare patients, 2024
- High blood pressure68%
- Anxiety50%
- High cholesterol50%
Share of Medicare patients with each condition. A patient can have several.
Dr. Freund's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women78%
- Men20%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karen M. Freund wrote 424 Medicare Part D claims in 2024
In 2024, Dr. Freund wrote 424 Medicare Part D claims for 32 patients. 81% of them were for generic drugs. CMS names the drug for 257 of them, across 15 drugs with 11 or more claims each, at $31,069 in total drug cost. In 2023, CMS named 263 claims across 16 drugs.
Dr. Freund's Part D claims by kind of drug, 2024
- Generic343 claims81%
- Brand-name and other81 claims19%
Dr. Freund'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: 2632024: 2572%
Drugs named by CMS: 15 in 2024, 16 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 M. Freund offers telehealth to Medicare patients
Dr. Freund accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Freund as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Karen M. Freund received $27 in industry payments from 2016 to 2019
CMS Open Payments shows 2 general payments to Dr. Freund from 2 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $14.
General payments to Dr. Freund by program year, 2016 to 2019
Companies that paid Dr. Freund the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karen M. Freund graduated from Stanford University School of Medicine
Dr. Freund graduated from Stanford University School of Medicine in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Karen M. Freund'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) |
| 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. Karen M. Freund
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 M. Freund's NPI number?
Dr. Karen M. Freund's NPI number is 1013973171. It was assigned on April 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Karen M. Freund?
Dr. Karen M. Freund is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Karen M. Freund practice?
Dr. Freund practices at 800 Washington Street, Boston, MA 02111. Dr. Freund's primary practice is Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine. Dmand AI also links Dr. Freund to 1 group practice or clinic and 1 imaging center.
What is Dr. Karen M. Freund's office phone number?
The practice phone on file for Dr. Freund is (617) 636-5000.
What is Dr. Karen M. Freund's medical license number?
Dr. Freund holds Massachusetts license 53869.
Which hospitals is Dr. Karen M. Freund affiliated with?
Dr. Freund practices at Tufts Medical Center in Boston, Massachusetts.
What medical group is Dr. Karen M. Freund part of?
Dr. Freund is linked to Pratt Medical Group, Inc. - General Medical Associates (General Internal Medicine).
Does Dr. Karen M. Freund accept Medicare?
Yes. CMS data shows Dr. Freund billed Medicare for 124 services in 2024, and Dr. Freund accepts Medicare assignment.
Does Dr. Karen M. Freund offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Freund as offering telehealth services.
How many Medicare patients does Dr. Karen M. Freund see?
CMS counts 28 Medicare patients who saw Dr. Freund in 2024, with an average age of 72.
Show 5 more questionsShow fewer questions
What services does Dr. Karen M. Freund bill to Medicare?
In 2024, Dr. Freund's most billed Medicare services were medicare service (G2211), office visit, established patient (99215) and office visit, established patient (99214).
Where did Dr. Karen M. Freund go to medical school?
Dr. Freund graduated from Stanford University School of Medicine in 1983.
What drugs does Dr. Karen M. Freund prescribe most?
In 2024 Medicare Part D data, Dr. Freund's most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Amlodipine Besylate.
Has Dr. Karen M. Freund received payments from drug or device companies?
CMS Open Payments shows $27 in general payments to Dr. Freund from 2 companies from 2016 to 2019. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Karen M. Freund been practicing?
Dr. Freund graduated from medical school in 1983, 43 years ago.
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