Karen-Gail Brandse, MD
Internal Medicine Physician · Natick, MA
Karen-Gail Brandse, MD is an internal medicine physician with a practice address in Natick, Massachusetts, and NPI 1588645790, issued on Nov 7, 2005. Check the license (Massachusetts 153724, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Karen-Gail Brandse
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 153724 MA
Self-reported in NPPES; status is on the state search - Practice location
- 67 Union St, Natick, MA 01760
- Phone
- (508) 650-7640
- Enumerated
- Nov 7, 2005
- Record last updated
- Feb 19, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (508) 650-7814
- Medicaid ID
- 3172601 MA
- Medicare enrollment
- Enrolled (PECOS I20040326000577); may accept Medicare assignment
- 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 67 Union St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Susan Almy, NPNurse Practitioner1598945594
- Lisa Ayles, ATCAthletic Trainer1508827957
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- Robert Berkowitz, M.D.Psychiatry Physician1538183504
- Kristen Bernstein, NPFamily Nurse Practitioner1205948676
Verify Karen-Gail Brandse in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 153724Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% more Medicare Part D claims than the average internal medicine physician in 2024
3,800 Medicare Part D claims for 220 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 50 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium254 claims
- Levothyroxine Sodium198 claims
- Atorvastatin Calcium183 claims
- Losartan Potassium165 claims
- Amlodipine Besylate148 claims
- Metoprolol Succinate118 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
- Riverview Physical Therapy Limited PartnershipYarmouth, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen-Gail Brandse among 6,825 internal medicine physician records in Massachusetts
Karen-Gail Brandse, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1979 · median 2004 among the 4,103 with a school on file
- Record last updated2010 · 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).
22 internal medicine physician records list a practice address in Natick
They are 22 of the 1,154 NPPES records with a practice address in Natick, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Natick → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kathlyne Anderson, MDNatick, MA 017601982669925
- Prakash Bandari, M.D.Natick, MA 017601407812084
- David Gdula, MDNatick, MA 017601558382705
- L Kaplan, MDNatick, MA 017601992826648
- Raul Laguarda, MDNatick, MA 017601427013242
- Simone Mordas, MDNatick, MA 017601073507984
- Wendy Parker, M.D.Natick, MA 017601013087659
- Dennis Rapa, MDNatick, MA 017601730142761
Common questions
What is Karen-Gail Brandse, MD's NPI number?
Karen-Gail Brandse, MD's National Provider Identifier (NPI) is 1588645790, issued on Nov 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Karen-Gail Brandse, MD located?
The NPPES record lists a practice address at 67 Union St, Natick, MA, 01760. Phone: (508) 650-7640. Providers update this record themselves, so call before visiting.
How can I verify Karen-Gail Brandse, MD's license?
NPPES lists Massachusetts license number 153724, 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-Gail Brandse, MD prescribe under Medicare Part D?
In 2024, Karen-Gail Brandse, MD had 3,800 Medicare Part D claims for 220 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.