NPPES file of Aug 9, 2026

Jennifer Markowitz, RD LDN

Registered Dietitian · Philadelphia, PA

Jennifer Markowitz, RD LDN is a registered dietitian with a practice address in Philadelphia, Pennsylvania, and NPI 1639669138, issued on May 10, 2018. Check the license (Pennsylvania DN006036, as entered in NPPES) with the Pennsylvania 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
1639669138
Name
Jennifer Markowitz
Credential
RD LDN
Primary taxonomy
Registered Dietitian 133V00000X
License number
DN006036 PA
Self-reported in NPPES; status is on the state search
Practice location
42 Saint James CT, Philadelphia, PA 19106
Phone
(201) 739-0369
Enumerated
May 10, 2018
Record last updated
May 10, 2018 (not updated in 8 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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8 nearest registered dietitian records → All 3,083 in Pennsylvania → Look up another NPI →

Verify Jennifer Markowitz 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 DN006036    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

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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Jennifer Markowitz among 3,083 registered dietitian records in Pennsylvania

Jennifer Markowitz, 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 not. Its NPI, issued in 2018, is newer than 51% of them.

  • NPI issued2018 · 51% of these records are older, 43% newer
  • In a Medicare fileNo · 8% of these records are
  • In the CMS Doctors and Clinicians fileNo · 10% of these records are
  • Record last updated2018 · 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).

Registered Dietitian providers in Pennsylvania

There are 3,083 registered dietitian records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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

The 8 registered dietitian records with the nearest ZIP codes

  1. Dara Blomain, MPH, RD, LDNPhiladelphia, PA 191061437532199
  2. Julia CaronPhiladelphia, PA 191061144989153
  3. Abigail Chesterson, RD, LDN, CDCESPhiladelphia, PA 191061831599299
  4. Jennifer ColePhiladelphia, PA 191061134837727
  5. Marissa FieldPhiladelphia, PA 191061891286100
  6. Amy Goldstein, MPH, RD, LDNPhiladelphia, PA 191061427549856
  7. Allison Kerr, RDNPhiladelphia, PA 191061952998270
  8. Beryl Krinsky, MBA, MS, RDPhiladelphia, PA 191061700201274

Common questions

What is Jennifer Markowitz, RD LDN's NPI number?

Jennifer Markowitz, RD LDN's National Provider Identifier (NPI) is 1639669138, issued on May 10, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Markowitz, RD LDN located?

The NPPES record lists a practice address at 42 Saint James CT, Philadelphia, PA, 19106. Phone: (201) 739-0369. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Markowitz, RD LDN's license?

NPPES lists Pennsylvania license number DN006036, 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. 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.