NPPES file of Aug 9, 2026

Kathryn Peper, M.D

Geriatric Medicine (Internal Medicine) Physician · Morristown, NJ

Kathryn Peper, M.D is a geriatric medicine (internal medicine) physician with a practice address in Morristown, New Jersey, and NPI 1659452605, issued on Oct 18, 2006. Check the license (New Jersey MA0052009, as entered in NPPES) on the New Jersey State Board of Medical Examiners; 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
1659452605
Name
Kathryn Peper
Credential
M.D
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
MA0052009 NJ
Self-reported in NPPES; status is on the state search
Practice location
9 Hartley Farms RD, Morristown, NJ 07960
Phone
(973) 539-3388
Enumerated
Oct 18, 2006
Record last updated
Mar 17, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(973) 539-3377
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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8 nearest geriatric medicine (internal medicine) physician records → All 165 in New Jersey → Look up another NPI →

Verify Kathryn Peper in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license MA0052009    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 New Jersey license search

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100% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

14 Medicare Part D claims, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.

  1. Kathryn Peper14
  2. Specialty average4,246

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.

Kathryn Peper among 165 geriatric medicine (internal medicine) physician records in New Jersey

Kathryn Peper, M.D is one of 165 geriatric medicine (internal medicine) physician records with a practice address in New Jersey. 82% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 42% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • Record last updated2017 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in New Jersey

There are 165 geriatric medicine (internal medicine) physician records in New Jersey.

All 165 in New Jersey → Every provider in Morristown → Geriatric Medicine (Internal Medicine) Physician nationwide →

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Miriam Donis-Garcia, MDMorristown, NJ 079601558998344
  2. Brenda Holcomb, D.O.Morristown, NJ 079601982030474
  3. Mansi Patel, MDMorristown, NJ 079601891256079
  4. Jessica Petilla-Onorato, M.D.Morristown, NJ 079601720071541
  5. Jason Prager, MDMorristown, NJ 079601801047667
  6. Rebecca Rosen, MDMorristown, NJ 079601508080995
  7. Joseph Ryan, MD, MPHMorristown, NJ 079601689649576
  8. Keerti Sharma, M.D.Morristown, NJ 079601255437794

Common questions

What is Kathryn Peper, M.D's NPI number?

Kathryn Peper, M.D's National Provider Identifier (NPI) is 1659452605, issued on Oct 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kathryn Peper, M.D located?

The NPPES record lists a practice address at 9 Hartley Farms RD, Morristown, NJ, 07960. Phone: (973) 539-3388. Providers update this record themselves, so call before visiting.

How can I verify Kathryn Peper, M.D's license?

NPPES lists New Jersey license number MA0052009, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kathryn Peper, M.D prescribe under Medicare Part D?

In 2024, Kathryn Peper, M.D had 14 Medicare Part D claims; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.