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

Dr. Colleen Marie Thom

Individual provider Internal Medicine Physician · NPI 1174885362

Dr. Colleen Marie Thom is a Hospitalist in Philadelphia, Pennsylvania. Graduated from Philadelphia College of Osteopathic Medicine in 2012, 14 years ago. Practices with Main Line Healthcare, a 1,153-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
14
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
PA
In the registry since
2012
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Practice location Address checks out

5501 Old York Road Albert Einstein Medical Ctr
Philadelphia, PA 19141 Not confirmed with CMS for 10 years — call before visiting
Phone: (215) 456-8520
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence OS017829 (PA)

Record details

NPI number1174885362
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJune 13, 2012
Last updated in NPPESDecember 16, 2015

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2012 (14 years in practice)
Group practice Main Line Healthcare — 1153 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients215
Services billed 471 a service is one billed item, such as a visit, a test or a procedure
Average patient age77

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Main Line Healthcare

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1153 clinicians in the practice; 12 are shown here.

Other providers in Philadelphia