Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Colleen Gerg, RDN

Individual provider Registered Dietitian · NPI 1437642238

Colleen Gerg, RDN is a Registered Dietitian OR Nutrition Professional in Bryn Mawr, Pennsylvania. Qualified in 1995, 31 years ago. Practices with Diamond Nutrition Counseling, Inc, a 14-clinician group and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
31
Licensed in
PA
In the registry since
2018
What do these letters mean?
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.

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Practice location Address checks out

800 Lafayette Rd
Bryn Mawr, PA 19010-1817
Phone: (202) 497-4202
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence DN004713 (PA)

Record details

NPI number1437642238
Entity typeIndividual (Type 1)
GenderFemale
Credentials RDN
Sole proprietorYes
NPI enumeratedJune 7, 2018
Last updated in NPPESJanuary 30, 2020
Certification dateJanuary 30, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolOTHER
Graduated 1995 (31 years in practice)
Group practice Diamond Nutrition Counseling, Inc. — 14 clinicians
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Bryn Mawr