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

Dr. Clarissa Hayes, DO

Individual provider Internal Medicine Physician · NPI 1306410568

Dr. Clarissa Hayes, DO is an Internal Medicine Physician in Allentown, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2021.

Licensed in
PA
In the registry since
2021
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

1243 S Cedar Crest Blvd Ste 2800
Allentown, PA 18103-6230
Phone: (833) 363-6274
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence OT020790 (PA)
Internal Medicine Physician Taxonomy 207R00000X · Licence OT020790 (PA)

Record details

NPI number1306410568
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 13, 2021
Last updated in NPPESJune 13, 2024
Certification dateJune 4, 2024

Other providers in Allentown