Katharine R. Clapham, MD
Cardiovascular Disease Physician · Boston, MA
Katharine R. Clapham, MD is a cardiovascular disease physician with a practice address in Boston, Massachusetts, and NPI 1346502770, issued on Jun 12, 2012. Check the license (Massachusetts 283256, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Katharine R. Clapham
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- 283256 MA
12672815-1205 UT
64684 CT
Self-reported in NPPES; status is on the state search - Practice location
- 75 Francis St, Boston, MA 02115
- Phone
- (617) 525-9733
- Enumerated
- Jun 12, 2012
- Record last updated
- Jul 8, 2022
- Medicare enrollment
- Enrolled (PECOS I20220609003130); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 75 Francis St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amin AalipourStudent in an Organized Health Care Education/Training Program1902483258
- Emily Aaronson, M.D.Emergency Medicine Physician1962791558
- Sarah Abbett, M.D.Anesthesiology Physician1902097736
- Christine Abbott, NPAdult Health Nurse Practitioner1851471940
- Muhammad Abd-El-Barr, M.D., PH.D.Neurological Surgery Physician1891922688
- Duaa AbdelhameidStudent in an Organized Health Care Education/Training Program1851852867
Verify Katharine R. Clapham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 283256Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
1,007 Medicare Part D claims for 126 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.
Most prescribed
- Spironolactone109 claims
- Losartan Potassium87 claims
- Furosemide81 claims
- Metoprolol Succinate72 claims
- Eliquis63 claims
- Atorvastatin Calcium50 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.
Industry payments in 2024: $645.92
2 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University OF Utah Adult ServicesSalt Lake City, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
476 cardiovascular disease physician records list a practice address in Boston
They are 476 of the 41,865 NPPES records with a practice address in Boston, and 1,080 cardiovascular disease physician records in Massachusetts.
All 476 in Boston → All 1,080 in Massachusetts → Every provider in Boston →
Other cardiovascular disease physician records in Massachusetts
- Mahmoud Abdelghany, M.D.Springfield, MA1134479629
- Rishard Abdul, M.B.B.SSpringfield, MA1114412830
- Saeed Abughazaleh, MDSpringfield, MA1427782762
- Subasit Acharji, MDLeominster, MA1225246358
- Kenneth Adams, M.D.Haverhill, MA1720082787
- Nicholas Adamstein, MDBoston, MA1548897218
- Dale Adler, M.D.Boston, MA1295769966
- Nadeem Afridi, MDNewburyport, MA1619961372
- Hanna Ahmed, M.DWorcester, MA1417111428
- Mashrafi Ahmed, M.DSpringfield, MA1265759328
Common questions
What is Katharine R. Clapham, MD's NPI number?
Katharine R. Clapham, MD's National Provider Identifier (NPI) is 1346502770, issued on Jun 12, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Katharine R. Clapham, MD located?
The NPPES record lists a practice address at 75 Francis St, Boston, MA, 02115. Phone: (617) 525-9733. Providers update this record themselves, so call before visiting.
How can I verify Katharine R. Clapham, MD's license?
NPPES lists Massachusetts license number 283256, 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 Katharine R. Clapham, MD prescribe under Medicare Part D?
In 2024, Katharine R. Clapham, MD had 1,007 Medicare Part D claims for 126 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.