MAIN LINE MEDICAL GROUP LTD
NPI 1760415913
Family Medicine in Narberth, PA

Active since July 09, 2006CLIA 39D0197293 · Waiver
857 MONTGOMERY AVE, NARBERTH, PA 19072(610) 664-2951(610) 664-2131 Get Directions Write a Review

NPPES record last updated: August 5, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Main Line Medical Group Ltd NPPES

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

MAIN LINE MEDICAL GROUP LTD (NPI 1760415913) is a healthcare organization registered as a family medicine in Narberth, Pennsylvania and active in the NPI registry since July 2006. The organization holds a CLIA Waiver certificate valid through August 31, 2028 and lists Robert Weisberg, Secretary/treasurer, as its authorized official.

NPPES Registry Identity

NPI1760415913
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameMAIN LINE MEDICAL GROUP LTD
Location Address857 MONTGOMERY AVENarberth, PA 19072-1541
Mailing Address857 Montgomery AveNarberth, PA 19072-1541 · (610) 664-2951 · Fax (610) 664-2131
Fax(610) 664-2131
Organization SubpartNo
Authorized OfficialRobert WeisbergSecretary/treasurer · (610) 664-2951
Enumeration DateJuly 9, 2006
Last NPPES UpdateAugust 5, 2009
✔ NPI 1760415913 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.
857 MONTGOMERY AVE, Narberth, PA 19072

Other Identifiers 2

Medicare ID-Type Unspecified054484PA
Medicare PIN052445NJ

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)

Main Line Medical Group Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

17

Medicare enrollment records show 17 clinicians reassign Medicare billing to Main Line Medical Group Ltd, which bills Medicare for the services they deliver. Of these, 7 practice at this address and 16 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 4

Internal Medicine7
Family Practice5
Nurse Practitioner3
General Practice2

Clinicians, nearest first (17)

Family Practice
NPI 1023013513
857 MONTGOMERY AVE
Penn Valley, PA 19072
(610) 664-2951
✔ PECOSSame address
General Practice
NPI 1649809641
857 MONTGOMERY AVE
Penn Valley, PA 19072
(312) 766-4949
✔ PECOS✔ Accepts MedicareSame address
General Practice
NPI 1629015680
857 MONTGOMERY AVE
Narberth, PA 19072
(610) 664-2951
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1225237480
857 MONTGOMERY AVE
Penn Valley, PA 19072
(610) 664-2951
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1427005735
857 MONTGOMERY AVE
Narberth, PA 19072
(610) 664-2951
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1396241568
857 MONTGOMERY AVE
Penn Valley, PA 19072
(610) 664-2951
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1285691659
857 MONTGOMERY AVE FL 1
Penn Valley, PA 19072
(601) 664-2951
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1215096243
MAINLINE MEDICAL GROUP 857 MONTGOMERY AVENUE
Narbeth, PA 19072
(610) 664-2951
✔ PECOS0.7 mi
Nurse Practitioner
NPI 1477217180
240 N WYCOMBE AVE
Lansdowne, PA 19050
(973) 220-5984
✔ PECOS✔ Accepts Medicare4.4 mi
Internal Medicine
NPI 1801386453
25 N LANSDOWNE AVE
Lansdowne, PA 19050
(631) 268-5644
✔ PECOS✔ Accepts Medicare5.0 mi
Family Practice
NPI 1932536232
2101 W LEHIGH AVE STE A
Philadelphia, PA 19132
(264) 866-7211
✔ PECOS✔ Accepts Medicare5.1 mi
Nurse Practitioner
NPI 1962975425
7515 STENTON AVE
Philadelphia, PA 19150
(267) 335-5264
✔ PECOS✔ Accepts Medicare5.9 mi
Internal Medicine
NPI 1497832729
306 CURTIS DR
Wyncote, PA 19095
(215) 884-8283
✔ PECOS✔ Accepts Medicare7.3 mi
Internal Medicine
NPI 1558538074
2001 S 18TH ST FL 1
Philadelphia, PA 19145
(814) 806-5206
✔ PECOS✔ Accepts Medicare7.4 mi
Internal Medicine
NPI 1003059866
2901 JOLLY RD
Plymouth Meeting, PA 19462
(570) 613-4943
✔ PECOS✔ Accepts Medicare8.0 mi
Internal Medicine
NPI 1982627121
333 COTTMAN AVENUE FOX CHASE CANCER CENTER
Philadelphia, PA 19111
(215) 728-6900
✔ PECOS9.6 mi
Family Practice
NPI 1023080306
1970 N BROAD ST
Lansdale, PA 19446
(215) 368-1900
✔ PECOS✔ Accepts Medicare17 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 39D0197293

Main Line Medical Group · Narberth, PA
Active · expires Aug 31, 2028
CLIA Number39D0197293
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2026
Certificate Expiration DateAugust 31, 2028
Laboratory DirectorDr. Robert Weisberg
Laboratory Phone(215) 664-2951
Laboratory LocationMain Line Medical Group857 Montgomery Ave, Narberth, PA 19072
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

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 Main Line Medical Group Ltd's NPI number?

The NPI number for Main Line Medical Group Ltd is 1760415913. It was assigned to this organization in the NPPES registry on July 9, 2006.

Where is Main Line Medical Group Ltd located?

Main Line Medical Group Ltd is located at 857 Montgomery Ave, Narberth, PA 19072. The listed phone number is (610) 664-2951.

What is Main Line Medical Group Ltd's specialty?

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

Is Main Line Medical Group Ltd enrolled in Medicare?

Yes. Main Line Medical Group Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Main Line Medical Group Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 17 clinicians in 4 Medicare specialties reassign their Medicare billing to Main Line Medical Group Ltd. 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. The largest specialties are Internal Medicine (7), Family Practice (5) and Nurse Practitioner (3). Of these, 7 practice at this address and 16 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Main Line Medical Group Ltd hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 39D0197293) is associated with this NPI, valid through August 31, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Main Line Medical Group Ltd was last updated on August 5, 2009. 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.