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

MS. Keri Alissa Herzog, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1427292614

MS. Keri Alissa Herzog, MD is a Gastroenterology in Branford, Connecticut. Qualified in 2009, 17 years ago. Practices with Digestive Disease Associates LLC, an 8-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
17
Licensed in
CT
In the registry since
2009
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

Student / training record This NPI belongs to someone enrolled in a health care training programme. It carries no licence and no practice of its own, so no address or phone number is published for it.

Branford, CT
Fax: (203) 488-6945

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 54855 (CT)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1427292614
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 1, 2009
Last updated in NPPESJanuary 12, 2024
Certification dateJanuary 12, 2024

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Digestive Disease Associates Llc — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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