Karen Freund, M.D.
Internal Medicine Physician · Boston, MA
Karen Freund, M.D. is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1013973171, issued on Apr 25, 2006. Check the license (Massachusetts 53869, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Karen Freund
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 53869 MA
Self-reported in NPPES; status is on the state search - Practice location
- 725 Albany St, Boston, MA 02118
- Phone
- (617) 638-7428
- Enumerated
- Apr 25, 2006
- Record last updated
- Nov 21, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (617) 638-7472
- Medicaid ID
- 3012263 MA
- Medicare enrollment
- Enrolled (PECOS I20120420000005); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 1983
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 725 Albany St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Naomi Amudala, NPFamily Nurse Practitioner1154655348
- Tufik Assad, M.D.Pulmonary Disease Physician1093941890
Verify Karen Freund in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 53869Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average internal medicine physician in 2024
424 Medicare Part D claims for 32 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium28 claims
- Atorvastatin Calcium25 claims
- Amlodipine Besylate24 claims
- Lisinopril19 claims
- Lorazepam19 claims
- Omeprazole19 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Pratt Medical Group IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Freund among 6,825 internal medicine physician records in Massachusetts
Karen Freund, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1983 · median 2004 among the 4,103 with a school on file
- Record last updated2011 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,320 internal medicine physician records list a practice address in Boston
They are 2,320 of the 41,865 NPPES records with a practice address in Boston, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Boston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Daniel Alford, M.D., M.P.H.Boston, MA 021181194708628
- Lori Balestrero, MDBoston, MA 021181750384046
- Virginia Barrow, M.D.Boston, MA 021181639175466
- Monica Bharel, MDBoston, MA 021181093798084
- Claire Carlo, M.D.Boston, MA 021181336125871
- Chava Chapman, M.D., M.P.H.Boston, MA 021181558346239
- Paul Fallon, MDBoston, MA 021181437145927
- Irene Gavras, M.D.Boston, MA 021181619953601
Common questions
What is Karen Freund, M.D.'s NPI number?
Karen Freund, M.D.'s National Provider Identifier (NPI) is 1013973171, issued on Apr 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Freund, M.D. located?
The NPPES record lists a practice address at 725 Albany St, Boston, MA, 02118. Phone: (617) 638-7428. Providers update this record themselves, so call before visiting.
How can I verify Karen Freund, M.D.'s license?
NPPES lists Massachusetts license number 53869, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karen Freund, M.D. prescribe under Medicare Part D?
In 2024, Karen Freund, M.D. had 424 Medicare Part D claims for 32 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.