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

William D. Lamm, MD

Individual provider Family Medicine Physician · NPI 1639156938

William D. Lamm, MD is a Family Practice in Cumberland, Maryland. Graduated from University of Maryland School of Medicine in 1980, 46 years ago. Practices with Transitioncare LLC, a 7-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
46
Trained at
University of Maryland School of Medicine
Licensed in
MD
In the registry since
2005
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

12500 Willowbrook Rd
Cumberland, MD 21502-6393
Phone: (240) 964-8564
Fax: (240) 964-8563
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 D0025406 (MD)

Record details

NPI number1639156938
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 28, 2005
Last updated in NPPESNovember 11, 2010
Mailing address1057 Richwood Ave, Cumberland, MD 21502-1926

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF MARYLAND SCHOOL OF MEDICINE
Graduated 1980 (46 years in practice)
Group practice Transitioncare Llc — 7 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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