NPPES file of Aug 9, 2026

Kenneth George Terkelsen, M.D.

Psychiatry Physician · Mashpee, MA

Kenneth George Terkelsen, M.D. is a psychiatry physician with a practice address in Mashpee, Massachusetts, and NPI 1336142504, issued on May 23, 2005. Check the license (Massachusetts 160365, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1336142504
Name
Kenneth George Terkelsen
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
160365 MA
Self-reported in NPPES; status is on the state search
Practice location
107 Commercial St, Mashpee, MA 02649
Phone
(508) 477-7090
Enumerated
May 23, 2005
Record last updated
Jun 5, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(508) 477-7028
Medicaid ID
2113121 MA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 107 Commercial St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Riley Ashe, LCSWSocial Worker1043923451
  2. Ronald Backer, M.D.Family Medicine Physician1083735146
  3. Alexis Balestracci, RNRegistered Nurse1861774622
  4. Natasha Barbosa-FortesDentist1518491919
  5. Lauren Black, DMDGeneral Practice Dentistry1255079067
  6. Tiffany Borsari, PA-CPhysician Assistant1558624130

Verify Kenneth George Terkelsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 160365    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

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45% more Medicare Part D claims than the average psychiatry physician in 2024

1,448 Medicare Part D claims for 59 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Kenneth Terkelsen1,448
  2. Specialty average1,000

Most prescribed

  1. Dextroamphetamine-Amphetamine115 claims
  2. Lorazepam104 claims
  3. Clonazepam78 claims
  4. Lamotrigine73 claims
  5. Trazodone Hcl59 claims
  6. Bupropion Xl56 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.

Psychiatry Physician providers in Massachusetts

There are 2,736 psychiatry physician records in Massachusetts.

All 2,736 in Massachusetts → Every provider in Mashpee →

Other psychiatry physician records in Massachusetts

  1. Karen Abdool, M.D., PH.DLynn, MA1942472824
  2. Harmony Abejuela, M.D.Quincy, MA1316259492
  3. Marielle Abell, PAAmherst, MA1275644072
  4. Steven Ablon, MDBoston, MA1083604839
  5. Keith Ablow, M.D.Newbury, MA1245423615
  6. Yousef Abou-Allaban, MDWalpole, MA1922040666
  7. Habiba Abozeid, MDBoston, MA1689408346
  8. Margarita Abramovich, MDPittsfield, MA1154883239
  9. Howard Abrams, MDSalem, MA1821102773
  10. David Abramson, MDCambridge, MA1376679787

Common questions

What is Kenneth George Terkelsen, M.D.'s NPI number?

Kenneth George Terkelsen, M.D.'s National Provider Identifier (NPI) is 1336142504, issued on May 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Kenneth George Terkelsen, M.D. located?

The NPPES record lists a practice address at 107 Commercial St, Mashpee, MA, 02649. Phone: (508) 477-7090. Providers update this record themselves, so call before visiting.

How can I verify Kenneth George Terkelsen, M.D.'s license?

NPPES lists Massachusetts license number 160365, 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 Kenneth George Terkelsen, M.D. prescribe under Medicare Part D?

In 2024, Kenneth George Terkelsen, M.D. had 1,448 Medicare Part D claims for 59 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.