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GREGORY SINGER,M.D. PC
NPI 1174773931
Family Medicine in Allentown, PA

Active since September 29, 2008
227 S ROUTE 100, ALLENTOWN, PA 18106(610) 366-1000(610) 366-1050 Get Directions Write a Review

NPPES record last updated: November 26, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Gregory Singer,m.d. Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GREGORY SINGER,M.D. PC (NPI 1174773931) is a healthcare organization registered as a family medicine in Allentown, Pennsylvania and active in the NPI registry since September 2008. The organization lists Gregory Singer, President, as its authorized official.

NPPES Registry Identity

NPI1174773931
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameGREGORY SINGER,M.D. PC
Location Address227 S ROUTE 100Allentown, PA 18106-9212
Mailing Address227 S Route 100Allentown, PA 18106-9212 · (610) 366-1000 · Fax (610) 366-1050
Phone(610) 366-1000
Fax(610) 366-1050
Organization SubpartNo
Authorized OfficialGregory SingerPresident · (610) 366-1000
Enumeration DateSeptember 29, 2008
Last NPPES UpdateNovember 26, 2008
✔ NPI 1174773931 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
227 S ROUTE 100, Allentown, PA 18106
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gregory Singer,m.d. Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Gregory Singer,m.D. PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Gregory Singer, M.D.
Family Practice
NPI 1639185572
1783 CREEK VIEW DR
Fogelsville, PA 18051
(610) 285-2173
✔ PECOS✔ Accepts Medicare2.6 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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,m.D. PC's NPI number?

The NPI number for Gregory Singer,m.D. PC is 1174773931. It was assigned to this organization in the NPPES registry on September 29, 2008.

Where is Gregory Singer,m.D. PC located?

Gregory Singer,m.D. PC is located at 227 S Route 100, Allentown, PA 18106. The listed phone number is (610) 366-1000.

What is Gregory Singer,m.D. PC's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Gregory Singer,m.D. PC enrolled in Medicare?

Yes. Gregory Singer,m.D. PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gregory Singer,m.D. PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Gregory Singer,m.D. PC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Gregory Singer,m.D. PC was last updated on November 26, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.