CAROL M CHOU MD
NPI 1801828108
Internal Medicine in Philadelphia, PA
About Carol M Chou Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAROL M CHOU MD (NPI 1801828108) is an individual internal medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD055709L) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Carol M Chou Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Carol Chou reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Philadelphia, PA 19104
- Reassigned Medicare billing, Pennsylvania enrollment
- 199 clinicians in this Medicare group
Philadelphia, PA 19104
- Reassigned Medicare billing, Pennsylvania enrollment
- 752 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 5
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19104 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 2
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 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
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 Carol Chou's NPI number?
The NPI number for Carol Chou is 1801828108. It was assigned to this individual provider in the NPPES registry on July 7, 2006.
Where is Carol Chou located?
Carol Chou practices at 3701 Market Street 7th Floor Ste 741, Philadelphia, PA 19104. The listed phone number is (215) 349-5200.
What is Carol Chou's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Carol Chou enrolled in Medicare?
Yes. Carol Chou is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Carol Chou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carol Chou reassigns Medicare benefits to 2 organizations: Trustees Of The University Of Pennsylvania (Philadelphia, PA) and University Of Penn-Medical Group (Philadelphia, PA). Each 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 Carol Chou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Carol Chou accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Carol Chou 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.
When was this NPI record last updated?
The NPPES record for Carol Chou was last updated on June 21, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Carol M Chou, MD · NPI 1801828108
Internal Medicine physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since July 7, 2006.
## Identity
- **NPI:** 1801828108 (Entity type: Individual)
- **Enumerated:** July 7, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MD055709L (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 3701 MARKET STREET, 7TH FLOOR STE 741, Philadelphia, PA 19104
- **Phone:** (215) 349-5200
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Trustees Of The University Of Pennsylvania (NPI 1124882949, Philadelphia, PA); University Of Penn-Medical Group (NPI 1386751089, Philadelphia, PA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 21, 2012
- **Other identifiers:** Medicare UPIN G03352; Medicaid 0015150880001 (PA); Medicare ID-Type Unspecified 668639 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1801828108) · Data from the CMS NPPES public registry.