NPPES file of Aug 9, 2026

Karen A. Mohn, RD, LDN

Registered Dietitian · Prince Frederick, MD

Karen A. Mohn, RD, LDN is a registered dietitian with a practice address in Prince Frederick, Maryland, and NPI 1134903024, issued on Aug 22, 2023. Check the license (Maryland DO1351, as entered in NPPES) with the Maryland 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
1134903024
Name
Karen A. Mohn
Credential
RD, LDN
Primary taxonomy
Registered Dietitian 133V00000X
License number
DO1351 MD
Self-reported in NPPES; status is on the state search
Practice location
110 Hospital RD Ste 101, Prince Frederick, MD 20678
Phone
(410) 535-8195
Enumerated
Aug 22, 2023
Record last updated
Aug 22, 2023
Medicare enrollment
Enrolled (PECOS I20230921000019); accepts Medicare assignment
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 1,124 in Maryland → Look up another NPI →

Also registered at 110 Hospital RD Ste 101

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

  1. Ramzi Alami, MDSurgery Physician1750469243
  2. Chelsi Cox, MSN, APRN, FNP-CFamily Nurse Practitioner1982316311
  3. Gregory Dalencourt, M.D.Surgery Physician1013185842
  4. Kia Elliott, NPNurse Practitioner1447733811
  5. Jessica Forney, RDRegistered Dietitian1235019639
  6. Lauren Grierson, REGISTERED DIETITIANRegistered Dietitian1407470123

Verify Karen A. Mohn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license DO1351    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 Maryland 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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Bills Medicare through one group practice

  1. Calverthealth Medical Group, LLCPrince Frederick, MD

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

Karen A. Mohn among 1,124 registered dietitian records in Maryland

Karen A. Mohn, RD, LDN is one of 1,124 registered dietitian records with a practice address in Maryland. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 80% of them.

  • NPI issued2023 · 80% of these records are older, 15% newer
  • In a Medicare fileYes · 11% of these records are
  • In the CMS Doctors and Clinicians fileYes · 13% of these records are
  • Graduated1984 · median 2015 among the 143 with a school on file
  • Record last updated2023 · 62% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 registered dietitian records list a practice address in Prince Frederick

They are 10 of the 663 NPPES records with a practice address in Prince Frederick, and 1,124 registered dietitian records in Maryland.

All 1,124 in Maryland → Every provider in Prince Frederick → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Katie Bolte, MS, RD, EP-CPrince Frederick, MD 206781023746369
  2. Jan Dubinsky, MS, RDN, LDNPrince Frederick, MD 206781386424026
  3. Jessica Forney, RDPrince Frederick, MD 206781235019639
  4. Lauren Grierson, REGISTERED DIETITIANPrince Frederick, MD 206781407470123
  5. Amber Hamilton, RD, LD/NPrince Frederick, MD 206781669121190
  6. Alison Massey, MS, RD, CDCESPrince Frederick, MD 206781649502451
  7. Janet McDonald, RD, LDNPrince Frederick, MD 206781265891329
  8. Lillian NugentPrince Frederick, MD 206781922830868

Common questions

What is Karen A. Mohn, RD, LDN's NPI number?

Karen A. Mohn, RD, LDN's National Provider Identifier (NPI) is 1134903024, issued on Aug 22, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Karen A. Mohn, RD, LDN located?

The NPPES record lists a practice address at 110 Hospital RD Ste 101, Prince Frederick, MD, 20678. Phone: (410) 535-8195. Providers update this record themselves, so call before visiting.

How can I verify Karen A. Mohn, RD, LDN's license?

NPPES lists Maryland license number DO1351, as entered by the provider. Search the Maryland 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.