NPPES file of Aug 9, 2026

Mary Barrett Barkley, RDN, MLT

Registered Dietitian · Allentown, NJ

Mary Barrett Barkley, RDN, MLT is a registered dietitian with a practice address in Allentown, New Jersey, and NPI 1447639646, issued on May 21, 2015. Check the license with the New Jersey board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1447639646
Name
Mary Barrett Barkley
Credential
RDN, MLT
Primary taxonomy
Registered Dietitian 133V00000X
Practice location
17 Probasco Dr, Allentown, NJ 08501
Phone
(609) 638-9802
Enumerated
May 21, 2015
Record last updated
May 21, 2015 (not updated in 11 years: call before relying on the address or phone)
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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Verify Mary Barrett Barkley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Jersey board licenses this professionCheck 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
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7 registered dietitian records list a practice address in Allentown

They are 7 of the 69 NPPES records with a practice address in Allentown, and 2,006 registered dietitian records in New Jersey. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 7 in Allentown → All 2,006 in New Jersey → Every provider in Allentown →

Other registered dietitian records in New Jersey

  1. Gina Abbatemarco, RDLyons, NJ1518211895
  2. Rawan Abdalla, RDNFranklin Park, NJ1164049219
  3. Latifah Abdus-Salaam, RDEast Orange, NJ1730463464
  4. Mariam Abid, RDNEast Brunswick, NJ1861138059
  5. Tara Abish, RDNLakewood, NJ1891277380
  6. Samuel Accardi, RDStone Harbor, NJ1366813826
  7. Prema Achari, MARDMillington, NJ1386706778
  8. Laura Acosta, MS, RDNWest New York, NJ1285567685
  9. Sarah Adamchak, RDWayne, NJ1013797422
  10. Amoke Adams, RD, LDNTrenton, NJ1184020059

Common questions

What is Mary Barrett Barkley, RDN, MLT's NPI number?

Mary Barrett Barkley, RDN, MLT's National Provider Identifier (NPI) is 1447639646, issued on May 21, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Mary Barrett Barkley, RDN, MLT located?

The NPPES record lists a practice address at 17 Probasco Dr, Allentown, NJ, 08501. Phone: (609) 638-9802. Providers update this record themselves, so call before visiting.

How can I verify Mary Barrett Barkley, RDN, MLT's license?

Search the New Jersey 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.

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.