DR. COLLEEN MARIE THOM
NPI 1174885362
Internal Medicine in Philadelphia, PA
About Dr. Colleen Marie Thom NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. COLLEEN MARIE THOM (NPI 1174885362) is an individual internal medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (OS017829) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS, is affiliated with Riddle Memorial Hospital, and is a graduate of Philadelphia College Of Osteopathic Medicine (2012).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Colleen Marie Thom is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Colleen Thom reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Newtown Square, PA 19073
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,638 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Riddle Memorial Hospital
Acute Care Hospitals · Media, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19141 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHILADELPHIA, PA 19141
PHILADELPHIA, PA 19141
PHILADELPHIA, PA 19141
PHILADELPHIA, PA 19141
PHILADELPHIA, PA 19141
PHILADELPHIA, PA 19141
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Colleen Thom's NPI number?
The NPI number for Colleen Thom is 1174885362. It was assigned to this individual provider in the NPPES registry on June 13, 2012.
Where is Colleen Thom located?
Colleen Thom practices at 5501 Old York Road Albert Einstein Medical Center, Philadelphia, PA 19141. The listed phone number is (215) 456-8520.
What is Colleen Thom's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Colleen Thom enrolled in Medicare?
Yes. Colleen Thom is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Colleen Thom's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Colleen Thom reassigns Medicare benefits to Main Line Healthcare (Newtown Square, PA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Colleen Thom's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Colleen Thom accept?
Health plans from Highmark Blue Cross Blue Shield Delaware list Colleen Thom as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Colleen Thom affiliated with any hospitals?
According to CMS data, Colleen Thom is affiliated with Riddle Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Colleen Thom was last updated on December 16, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Colleen Marie Thom · NPI 1174885362
Internal Medicine physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since June 13, 2012.
## Identity
- **NPI:** 1174885362 (Entity type: Individual)
- **Enumerated:** June 13, 2012
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** OS017829 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 5501 OLD YORK ROAD, ALBERT EINSTEIN MEDICAL CENTER, Philadelphia, PA 19141
- **Phone:** (215) 456-8520
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Main Line Healthcare (NPI 1922077643, Newtown Square, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Philadelphia College Of Osteopathic Medicine, class of 2012
## Record status
- **NPPES last updated:** December 16, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1174885362) · Data from the CMS NPPES public registry.