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

Dr. William Penn Croom IV, MD

Individual provider Sports Medicine (Orthopaedic Surgery) Physician · NPI 1255752648

Dr. William Penn Croom IV, MD is an Orthopedic Surgery in Lancaster, California. Graduated from Northwestern University Feinberg Medical School in 2012, 14 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
14
Trained at
Northwestern University Feinberg Medical School
Licensed in
CA
In the registry since
2014
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

615 W Avenue L
Lancaster, CA 93534-7211
Phone: (661) 951-4801
Show map & directions

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

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence A127958 (CA)
Sports Medicine (Orthopaedic Surgery) Physician Taxonomy 207XX0005X · Licence A127958 (CA)

Record details

NPI number1255752648
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 2, 2014
Last updated in NPPESDecember 3, 2021

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 2012 (14 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare