Judith Knapp, RDN, LDN
Nutritionist · Catonsville, MD
Judith Knapp, RDN, LDN is a nutritionist with a practice address in Catonsville, Maryland, and NPI 1114460458, issued on Nov 18, 2016. Check the license (Maryland D00019, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Judith Knapp
- Credential
- RDN, LDN
- Primary taxonomy
- Nutritionist 133N00000X
- License number
- D00019 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1005 Frederick RD, Catonsville, MD 21228
- Phone
- (410) 746-7236
- Enumerated
- Nov 18, 2016
- Record last updated
- Nov 18, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (410) 859-1666
- Entity
- Type 1 · individual
Also registered at 1005 Frederick RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dorothy Kalyanapu, M.D.Child & Adolescent Psychiatry Physician1730371113
Verify Judith Knapp in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license D00019Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Nutritionist providers in Maryland
There are 215 nutritionist records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other nutritionist records in Maryland
- Keegan Abernathy, MS, CNS, LDNSilver Spring, MD1730649450
- Anhtony Acevedo, PHD-C, LDNAnnapolis, MD1023687969
- Elina AckleyNew Market, MD1699408393
- Joyce Adams, CNS, LDNGreenbelt, MD1407614738
- Pamela Adams, MS, CNS, LDNAnnapolis, MD1164946307
- Valerie Adegunleye, RD, LDNBowie, MD1487616306
- Amber Adkins, CNS, LDN, RNSparks Glencoe, MD1619773215
- Seema Agrawal, RDGaithersburg, MD1770615627
- Jon Alger, MS, CNS, LDNBaltimore, MD1033595855
- Naz Amini, C.N.CBethesda, MD1427355411
Common questions
What is Judith Knapp, RDN, LDN's NPI number?
Judith Knapp, RDN, LDN's National Provider Identifier (NPI) is 1114460458, issued on Nov 18, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Judith Knapp, RDN, LDN located?
The NPPES record lists a practice address at 1005 Frederick RD, Catonsville, MD, 21228. Phone: (410) 746-7236. Providers update this record themselves, so call before visiting.
How can I verify Judith Knapp, RDN, LDN's license?
NPPES lists Maryland license number D00019, 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. 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.