NPPES file of Aug 9, 2026

Kathryn Jean Marger, MS,RD,LDN

Registered Dietitian · Harleysville, PA

Kathryn Jean Marger, MS,RD,LDN is a registered dietitian with a practice address in Harleysville, Pennsylvania, and NPI 1538395769, issued on Jun 2, 2009. Check the license (Pennsylvania DNOO3376, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1538395769
Name
Kathryn Jean Marger
Credential
MS,RD,LDN
Primary taxonomy
Registered Dietitian 133V00000X
License number
DNOO3376 PA
Self-reported in NPPES; status is on the state search
Practice location
1860 Old Morris RD, Harleysville, PA 19438
Phone
(215) 855-9852
Enumerated
Jun 2, 2009
Record last updated
Jan 28, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
103510539 PA
Medicare enrollment
Enrolled (PECOS I20130603000326); may accept Medicare assignment
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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8 nearest registered dietitian records → All 3,083 in Pennsylvania → Look up another NPI →

Verify Kathryn Jean Marger in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license DNOO3376    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
Find the Pennsylvania license search

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Bills Medicare through one group practice

  1. Diamond Nutrition Counseling, Inc.Upper Chichester, PA

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

Kathryn Jean Marger among 3,083 registered dietitian records in Pennsylvania

Kathryn Jean Marger, MS,RD,LDN is one of 3,083 registered dietitian records with a practice address in Pennsylvania. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 16% of them.

  • NPI issued2009 · 16% of these records are older, 81% newer
  • In a Medicare fileYes · 8% of these records are
  • In the CMS Doctors and Clinicians fileYes · 10% of these records are
  • Graduated1985 · median 2014 among the 315 with a school on file
  • Record last updated2020 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 registered dietitian records list a practice address in Harleysville

They are 9 of the 226 NPPES records with a practice address in Harleysville, and 3,083 registered dietitian records in Pennsylvania.

All 3,083 in Pennsylvania → Every provider in Harleysville → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Leah Daywalt, RDN, LDNHarleysville, PA 194381407367907
  2. Kirsten Hamilton, R.D.N., L.D.N.Harleysville, PA 194381336565233
  3. Susan Hayes, RDN, LDNHarleysville, PA 194381598264269
  4. Patricia Kennedy, RDNHarleysville, PA 194381437697638
  5. Holly Lockhoff, MS, RD, CSSS, LDNHarleysville, PA 194381427420777
  6. Barbara Macfarland, MPH, RDN, LDNHarleysville, PA 194381407312077
  7. Laura Portnoy, RDN, LDNHarleysville, PA 194381972455301
  8. Orina Pyavka, R.D.Harleysville, PA 194381508580424

Common questions

What is Kathryn Jean Marger, MS,RD,LDN's NPI number?

Kathryn Jean Marger, MS,RD,LDN's National Provider Identifier (NPI) is 1538395769, issued on Jun 2, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Kathryn Jean Marger, MS,RD,LDN located?

The NPPES record lists a practice address at 1860 Old Morris RD, Harleysville, PA, 19438. Phone: (215) 855-9852. Providers update this record themselves, so call before visiting.

How can I verify Kathryn Jean Marger, MS,RD,LDN's license?

NPPES lists Pennsylvania license number DNOO3376, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity 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.