Rebecca Barber Mahar, RD, CDN, CDE
Registered Dietitian · Glens Falls, NY
Rebecca Barber Mahar, RD, CDN, CDE is a registered dietitian with a practice address in Glens Falls, New York, and NPI 1548380132, issued on Mar 29, 2007. Check the license (New York 004971-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rebecca Barber Mahar
- Credential
- RD, CDN, CDE
- Primary taxonomy
- Registered Dietitian 133V00000X
- License number
- 004971-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 100 Park St, Glens Falls, NY 12801
- Phone
- (518) 926-1000
- Enumerated
- Mar 29, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (518) 926-2091
- Medicare enrollment
- Enrolled (PECOS I20170111001332); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest registered dietitian records → All 4,724 in New York → Look up another NPI →
Also registered at 100 Park St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anne Abrams, NPPPsychiatric/Mental Health Nurse Practitioner1336509785
- Nicole Abrams, PHARMDPharmacist1164870358
- John Adamchick, PHARMDPharmacist1699138404
- John Agresta, D.O.Emergency Medicine Physician1295938793
- Shahid Ahmed, MDHospitalist Physician1609074897
- Paul Alagna, MDEmergency Medicine Physician1790773885
Verify Rebecca Barber Mahar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 004971-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 65.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Saratoga HospitalSaratoga, NY · Acute Care Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Rebecca Barber Mahar among 4,724 registered dietitian records in New York
Rebecca Barber Mahar, RD, CDN, CDE is one of 4,724 registered dietitian records with a practice address in New York. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 8% of them.
- NPI issued2007 · 8% of these records are older, 85% newer
- In a Medicare fileYes · 7% of these records are
- In the CMS Doctors and Clinicians fileYes · 10% of these records are
- Graduated1995 · median 2013 among the 478 with a school on file
- Record last updated2007 · 59% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 registered dietitian records list a practice address in Glens Falls
They are 22 of the 963 NPPES records with a practice address in Glens Falls, and 4,724 registered dietitian records in New York.
All 4,724 in New York → Every provider in Glens Falls → Registered Dietitian nationwide →
The 8 registered dietitian records with the nearest ZIP codes
- Joan ButlerGlens Falls, NY 128011417077041
- Alison Chesnick, RDGlens Falls, NY 128011609040245
- Andrea Chowske, RD, CDNGlens Falls, NY 128011902209919
- Zhanna CohenGlens Falls, NY 128011861512196
- Marie Farrell, RDGlens Falls, NY 128011952421596
- Karen Hogan, R.D. CDN CDEGlens Falls, NY 128011497875744
- Amy Hoover, MA, RD, CDNGlens Falls, NY 128011659709483
- Karen Ketcham, RD, CDN, CDEGlens Falls, NY 128011619095890
Common questions
What is Rebecca Barber Mahar, RD, CDN, CDE's NPI number?
Rebecca Barber Mahar, RD, CDN, CDE's National Provider Identifier (NPI) is 1548380132, issued on Mar 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Rebecca Barber Mahar, RD, CDN, CDE located?
The NPPES record lists a practice address at 100 Park St, Glens Falls, NY, 12801. Phone: (518) 926-1000. Providers update this record themselves, so call before visiting.
How can I verify Rebecca Barber Mahar, RD, CDN, CDE's license?
NPPES lists New York license number 004971-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
What is Rebecca Barber Mahar, RD, CDN, CDE's MIPS final score?
The 2023 MIPS final score is 65.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.
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.