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

Dr. Allison Lloyd McDonough, MD

Individual provider Internal Medicine Physician · NPI 1124091103

Dr. Allison Lloyd McDonough, MD is an Internal Medicine in Waltham, Massachusetts. Graduated from Harvard Medical School in 1997, 29 years ago. Practices with Select Rehabilitation, LLC, a 2,028-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
29
Trained at
Harvard Medical School
Licensed in
MA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

52 2nd Ave Ste 2000
Waltham, MA 02451-1127
Phone: (781) 487-4040
Fax: (781) 487-2870
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 159697 (MA)

Record details

NPI number1124091103
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 9, 2006
Last updated in NPPESJuly 7, 2015
Mailing addressPo Box 9142, Mass General Physician Organization, Charlestown, MA 02129-9142

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 1997 (29 years in practice)
Group practice Select Rehabilitation, Llc — 2028 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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