NPPES file of Aug 9, 2026

Kimberly Kersten, DO

Internal Medicine Physician · Newburyport, MA

Kimberly Kersten, DO is an internal medicine physician with a practice address in Newburyport, Massachusetts, and NPI 1912903030, issued on Jun 23, 2005. Check the license (Massachusetts 202960, 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
1912903030
Name
Kimberly Kersten
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
202960 MA
Self-reported in NPPES; status is on the state search
Practice location
28 Green St, Newburyport, MA 01950
Phone
(978) 465-7719
Enumerated
Jun 23, 2005
Record last updated
Jun 25, 2024
Fax
(978) 463-7965
Medicaid ID
0130591 MA
Medicare enrollment
Enrolled (PECOS I20110217000732); accepts Medicare assignment
Medical or professional school
New York College Of Osteo Medicine Of New York Institute Of Technology, 1997
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 28 Green St

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

  1. Kelsey Alexander, FNP-CFamily Nurse Practitioner1285112425
  2. Juan Banos Martinez, NPFamily Nurse Practitioner1467253344
  3. Melinda Crossman, MSW, LICSWClinical Social Worker1013392190
  4. Romina DellariaPhysician Assistant1619523669
  5. Allison Glass, APRNFamily Nurse Practitioner1831952761
  6. Unknown Jeevika, MBBSStudent in an Organized Health Care Education/Training Program1588472153

Verify Kimberly Kersten 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 202960
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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25% more Medicare Part D claims than the average internal medicine physician in 2024

3,958 Medicare Part D claims for 474 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Kimberly Kersten3,958
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium403 claims
  2. Lisinopril265 claims
  3. Levothyroxine Sodium254 claims
  4. Losartan Potassium167 claims
  5. Omeprazole158 claims
  6. Metoprolol Succinate136 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: $17.41

1 payment: food and beverage; the largest payer was Dexcom, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kimberly Kersten$17.41
  2. Specialty average$1,303.06

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

  1. Beth Israel Lahey Health Primary Care, IncSouth Hamilton, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kimberly Kersten among 6,825 internal medicine physician records in Massachusetts

Kimberly Kersten, DO 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
  • Graduated1997 · median 2004 among the 4,103 with a school on file
  • Record last updated2024 · 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 Newburyport

They are 22 of the 558 NPPES records with a practice address in Newburyport, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Stephen Beaudoin, M.D.Newburyport, MA 019501902808124
  2. Anthony Eaton, M.D.Newburyport, MA 019501831193101
  3. Daniel Eyink, M.D.Newburyport, MA 019501730160409
  4. Christopher Harris, M.D.Newburyport, MA 019501912901604
  5. William Ingram, M.D.Newburyport, MA 019501689679268
  6. Theresa Leak-Gonzalez, MDNewburyport, MA 019501679587265
  7. Anthony Lopez, M.D.Newburyport, MA 019501770541815
  8. Paul Mendelson, M.D.Newburyport, MA 019501396727228

Common questions

What is Kimberly Kersten, DO's NPI number?

Kimberly Kersten, DO's National Provider Identifier (NPI) is 1912903030, issued on Jun 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Kimberly Kersten, DO located?

The NPPES record lists a practice address at 28 Green St, Newburyport, MA, 01950. Phone: (978) 465-7719. Providers update this record themselves, so call before visiting.

How can I verify Kimberly Kersten, DO's license?

NPPES lists Massachusetts license number 202960, 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 Kimberly Kersten, DO prescribe under Medicare Part D?

In 2024, Kimberly Kersten, DO had 3,958 Medicare Part D claims for 474 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.