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

Dr. William M Chasanov II, DO

Individual provider Infectious Disease Physician · NPI 1104028919

Dr. William M Chasanov II, DO is an Infectious Disease in Lewes, Delaware. Graduated from Philadelphia College of Osteopathic Medicine in 2007, 19 years ago. Practices with Beebe Physician Network Inc, a 293-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Delaware and New Jersey.

Years since qualifying
19
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
DE, NJ
In the registry since
2007
Specialties on file
3
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

1535 Savannah Rd
Lewes, DE 19958-1611
Phone: (302) 645-3232
Fax: (302) 645-3198
Show map & directions

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

Additional practice locations (3)

  • 424 Savannah Rd, Lewes, DE 19958-1462 — (302) 645-3232
  • 1 Cooper Plz, Camden, NJ 08103 — (856) 963-3518
  • 3 Cooper Plz Rm 513, Camden, NJ 08103-1499 — (856) 963-3715

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence C7-0003733 (DE)
Internal Medicine Physician Taxonomy 207R00000X · Licence C7-0003773 (DE)
Infectious Disease Physician Taxonomy 207RI0200X · Licence 25MB09331000 (NJ)

Record details

NPI number1104028919
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 4, 2007
Last updated in NPPESFebruary 9, 2026
Certification dateFebruary 9, 2026

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2007 (19 years in practice)
Group practice Beebe Physician Network Inc. — 293 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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