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

Dr. Brian Caswell-Monack, DO

Individual provider Family Medicine Physician · NPI 1164733291

Dr. Brian Caswell-Monack, DO is a Family Practice in Lewes, Delaware. Graduated from Lake Erie College of Osteopathic Medicine, Erie in 2010, 16 years ago. Practices with Mid-Atlantic Family Practice, a 7-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Delaware.

Years since qualifying
16
Trained at
Lake Erie College of Osteopathic Medicine, Erie
Licensed in
DE
In the registry since
2010
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

20251 John J Williams Hwy
Lewes, DE 19958-4314
Phone: (302) 644-6860
Fax: (302) 644-6872
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence C2-0010433 (DE)

Record details

NPI number1164733291
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 23, 2010
Last updated in NPPESJanuary 26, 2017
Mailing address20251 John J Williams Hwy, Lewes, DE 19958-4314

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolLAKE ERIE COLLEGE OF OSTEOPATHIC MEDICINE, ERIE
Graduated 2010 (16 years in practice)
Group practice Mid-Atlantic Family Practice — 7 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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