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MONTGOMERY COUNTY MEDICAL ASSOCIATES, LTD.
NPI 1871530618
Internal Medicine in Meadowbrook, PA

Active since June 01, 2006CLIA 39D0951184 · Waiver
1650 HUNTINGDON PIKE, SUITE 156, MEADOWBROOK, PA 19046(215) 947-7924(215) 947-0187 Get Directions Write a Review

NPPES record last updated: September 26, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Montgomery County Medical Associates, Ltd. NPPES

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

MONTGOMERY COUNTY MEDICAL ASSOCIATES, LTD. (NPI 1871530618) is a healthcare organization registered as an internal medicine in Meadowbrook, Pennsylvania and active in the NPI registry since June 2006. The organization holds a CLIA Waiver certificate valid through September 14, 2028 and lists Guy E Mcelwain, Vice President, as its authorized official.

NPPES Registry Identity

NPI1871530618
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMONTGOMERY COUNTY MEDICAL ASSOCIATES, LTD.
Location Address1650 HUNTINGDON PIKE, SUITE 156Meadowbrook, PA 19046-8004
Mailing Address1650 Huntingdon Pike, Suite 156Meadowbrook, PA 19046-8004 · (215) 947-7924 · Fax (215) 947-0187
Phone(215) 947-7924
Fax(215) 947-0187
Organization SubpartNo
Authorized OfficialGuy E McelwainVice President · (215) 947-7924
Enumeration DateJune 1, 2006
Last NPPES UpdateSeptember 26, 2013
✔ NPI 1871530618 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedCustodial Care FacilityTaxonomy 311Z00000X
1650 HUNTINGDON PIKE, Meadowbrook, PA 19046
Open in Google Maps ↗

Other Identifiers 4

Medicare PIN056517PA
Medicare ID-Type Unspecified056517PA
OtherCF3420PA · Railroad Medicare
Medicaid1047576 01PA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Montgomery County Medical Associates, Ltd. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

12

Medicare enrollment records show 12 clinicians reassign Medicare billing to Montgomery County Medical Associates, Ltd., which bills Medicare for the services they deliver. Of these, 10 practice at this address and 12 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 3

Nurse Practitioner6
Internal Medicine5
Family Practice1

Clinicians, nearest first (12)

Julianne Berol, CRNP
Nurse Practitioner
NPI 1184159105
1650 HUNTINGDON PIKE SUITE 156
Jenkintown, PA 19046
(215) 947-7924
✔ PECOS✔ Accepts MedicareSame address
John Butler, MD
Internal Medicine
NPI 1629049606
1650 HUNTINGDON PIKE SUITE 156
Meadowbrook, PA 19046
(215) 947-7924
✔ PECOS✔ Accepts MedicareSame address
Donna Farrell, DO
Family Practice
NPI 1104897172
1650 HUNTINGDON PIKE SUITE 156
Meadowbrook, PA 19046
(215) 947-7924
✔ PECOSSame address
Dominick Galluzzo, MD
Internal Medicine
NPI 1770554966
1650 HUNTINGDON PIKE SUITE 156
Meadowbrook, PA 19046
(215) 947-7924
✔ PECOS✔ Accepts MedicareSame address
Heidi Gibbons, C.R.N.P.
Nurse Practitioner
NPI 1477615946
1650 HUNTINGDON PIKE SUITE 156
Meadowbrook, PA 19046
(215) 947-7924
✔ PECOSSame address
Barbara Holdren, C.R.N.P.
Nurse Practitioner
NPI 1417019985
1650 HUNTINGDON PIKE SUITE 156
Meadowbrook, PA 19046
(215) 947-7924
✔ PECOS✔ Accepts MedicareSame address
Christa Hyland, CRNP
Nurse Practitioner
NPI 1932583903
1650 HUNTINGDON PIKE STE 156
Meadowbrook, PA 19046
(215) 947-7924
✔ PECOS✔ Accepts MedicareSame address
David Litt, MD
Internal Medicine
NPI 1265403240
1650 HUNTINGDON PIKE SUITE 156
Meadowbrook, PA 19046
(215) 947-7924
✔ PECOS✔ Accepts MedicareSame address
Guy Mcelwain, MD
Internal Medicine
NPI 1629049804
1650 HUNTINGDON PIKE SUITE 156
Meadowbrook, PA 19046
(215) 947-7924
✔ PECOSSame address
Alexis Smith, NP
Nurse Practitioner
NPI 1629763107
1650 HUNTINGDON PIKE STE 156
Meadowbrook, PA 19046
(215) 947-7924
✔ PECOSSame address
Melissa John, M.D.
Internal Medicine
NPI 1013295831
1650 HUNTINGDON PIKE STE. 156
Meadowbrook, PA 19046
(215) 947-7924
✔ PECOS✔ Accepts Medicare0.1 mi
Sheryl Varghese
Nurse Practitioner
NPI 1851161186
1650 HUNTINGDON PIKE STE 156
Meadowbrook, PA 19046
(917) 345-0246
✔ PECOS✔ Accepts Medicare0.1 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 39D0951184

Montgomery County Medical Assoc · Meadowbrook, PA
Active · expires Sep 14, 2028
CLIA Number39D0951184
Laboratory TypePhysician Office
Certificate Effective DateSeptember 15, 2026
Certificate Expiration DateSeptember 14, 2028
Laboratory DirectorGuy E. Mcelwain MD
Laboratory Phone(215) 947-7924
Laboratory LocationMontgomery County Medical Assoc1650 Huntingdon Pike Suite 156, Meadowbrook, PA 19046
CLIA data matches this NPI record on: Address Name Phone
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 Montgomery County Medical Associates, Ltd.'s NPI number?

The NPI number for Montgomery County Medical Associates, Ltd. is 1871530618. It was assigned to this organization in the NPPES registry on June 1, 2006.

Where is Montgomery County Medical Associates, Ltd. located?

Montgomery County Medical Associates, Ltd. is located at 1650 Huntingdon Pike Suite 156, Meadowbrook, PA 19046. The listed phone number is (215) 947-7924.

What is Montgomery County Medical Associates, Ltd.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Montgomery County Medical Associates, Ltd. enrolled in Medicare?

Yes. Montgomery County Medical Associates, Ltd. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Montgomery County Medical Associates, Ltd.?

According to the CMS Revalidation Reassignment List (October 2026 release), 12 clinicians in 3 Medicare specialties reassign their Medicare billing to Montgomery County Medical Associates, 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 Nurse Practitioner (6), Internal Medicine (5) and Family Practice (1). Of these, 10 practice at this address and 12 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Montgomery County Medical Associates, Ltd. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 39D0951184) is associated with this NPI, valid through September 14, 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 Montgomery County Medical Associates, Ltd. was last updated on September 26, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.