DR. SONYA M FOSTER-MERROW MD
NPI 1023031093
Family Medicine in Reading, PA
About Dr. Sonya M Foster-merrow Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SONYA M FOSTER-MERROW MD (NPI 1023031093) is an individual family medicine provider in Reading, Pennsylvania, licensed in Pennsylvania (MD432595) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Douglassville.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Sonya M Foster-merrow Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Sonya Foster-merrow reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pottstown, PA 19465
- Reassigned Medicare billing, Pennsylvania enrollment
- 474 clinicians in this Medicare group
Philadelphia, PA 19134
- Reassigned Medicare billing, Pennsylvania enrollment
- 196 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 11
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 19601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
READING, PA 19601
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 Sonya Foster-merrow's NPI number?
The NPI number for Sonya Foster-merrow is 1023031093. It was assigned to this individual provider in the NPPES registry on July 25, 2006.
Where is Sonya Foster-merrow located?
Sonya Foster-merrow practices at 951 N 6th St Ste 221, Reading, PA 19601. The listed phone number is (484) 207-2000.
What is Sonya Foster-merrow's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Sonya Foster-merrow enrolled in Medicare?
Yes. Sonya Foster-merrow is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Sonya Foster-merrow's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sonya Foster-merrow reassigns Medicare benefits to 2 organizations: Pottstown Clinic Company LLC (Pottstown, PA) and Osh - PA Physicians Group, PC (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 Sonya Foster-merrow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Sonya Foster-merrow was last updated on May 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.