DR. GREGORY MITCHELL SINGER M.D.
NPI 1639185572
Family Medicine in Fogelsville, PA
About Dr. Gregory Mitchell Singer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGORY MITCHELL SINGER M.D. (NPI 1639185572) is an individual family medicine provider in Fogelsville, Pennsylvania, licensed in Pennsylvania (MD-064098L) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with St Lukes Quakertown Hospital, and is a graduate of Other (1986).
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 and accepts Medicare assignment
Dr. Gregory Mitchell Singer M.d. 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 Reassignments
7Medicare enrollment records show Gregory Singer reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Allentown, PA 18106
- Reassigned Medicare billing, Pennsylvania enrollment
Allentown, PA 18104
- Reassigned Medicare billing, Pennsylvania enrollment
- 128 clinicians in this Medicare group
Pennsburg, PA 18073
- Reassigned Medicare billing, Pennsylvania enrollment
- 128 clinicians in this Medicare group
Lehighton, PA 18235
- Reassigned Medicare billing, Pennsylvania enrollment
- 145 clinicians in this Medicare group
Brodheadsville, PA 18322
- Reassigned Medicare billing, Pennsylvania enrollment
- 106 clinicians in this Medicare group
Lansdale, PA 19446
- Reassigned Medicare billing, Pennsylvania enrollment
- 20 clinicians in this Medicare group
Pottsville, PA 17901
- Reassigned Medicare billing, Pennsylvania enrollment
- 90 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 18
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Lukes Quakertown Hospital
Acute Care Hospitals · Quakertown, PASt Luke's Hospital Bethlehem
Acute Care Hospitals · Bethlehem, PAGrand View Health
Acute Care Hospitals · Sellersville, PALehigh Valley Hospital
Acute Care Hospitals · Allentown, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 18051 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Gregory Singer's NPI number?
The NPI number for Gregory Singer is 1639185572. It was assigned to this individual provider in the NPPES registry on July 31, 2006.
Where is Gregory Singer located?
Gregory Singer practices at 1783 Creek View Dr, Fogelsville, PA 18051. The listed phone number is (610) 285-2173.
What is Gregory Singer's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Gregory Singer enrolled in Medicare?
Yes. Gregory Singer 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 organizations bill Medicare for Gregory Singer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Singer reassigns Medicare benefits to 7 organizations: Gregory Singer,m.D. PC (Allentown, PA), St. Luke's Hospital (Allentown, PA), St. Luke's Quakertown Hospital (Pennsburg, PA), The Carbon Schuylkill Community Hospital, Inc. (Lehighton, PA), St. Luke's Hospital Monroe Campus (Brodheadsville, PA) and 2 more organizations, listed in the Medicare section above. 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 Gregory Singer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Singer accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Gregory Singer 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 Gregory Singer affiliated with any hospitals?
According to CMS data, Gregory Singer is affiliated with St Lukes Quakertown Hospital, St Luke's Hospital Bethlehem, Grand View Health and Lehigh Valley Hospital.
When was this NPI record last updated?
The NPPES record for Gregory Singer was last updated on January 16, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.