1. Home
  2. Directory
  3. Pennsylvania
  4. Langhorne
  5. Internal Medicine
  6. NPI Profile

PERSONALIZED INTERNAL MEDICINE, P.C.
NPI 1689601023
Internal Medicine in Langhorne, PA

Active since June 28, 2006CLIA 39D0196427 · Waiver
970 TOWN CENTER DR., SUITE C-15, LANGHORNE, PA 19047(215) 752-8889 Get Directions Write a Review

NPPES record last updated: October 9, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Personalized Internal Medicine, P.c. NPPES

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

PERSONALIZED INTERNAL MEDICINE, P.C. (NPI 1689601023), doing business as Lofts Internal Medicine, P.c., is a healthcare organization registered as an internal medicine in Langhorne, Pennsylvania and active in the NPI registry since June 2006. The organization holds a CLIA Waiver certificate valid through December 21, 2027 and lists Cheryl Lynne Byrne, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1689601023
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NamePERSONALIZED INTERNAL MEDICINE, P.C.
Location Address970 TOWN CENTER DR., SUITE C-15Langhorne, PA 19047
Mailing Address970 Town Center Dr., Suite C-15Langhorne, PA 19047-4405 · (215) 752-8889 · Fax (215) 757-5910
Phone(215) 752-8889
Organization SubpartNo
Authorized OfficialCheryl Lynne ByrneOffice Manager · (215) 752-8889
Enumeration DateJune 28, 2006
Last NPPES UpdateOctober 9, 2008
✔ NPI 1689601023 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ 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.
970 TOWN CENTER DR., Langhorne, PA 19047
Open in Google Maps ↗

Other Names 1

Former Legal Business NameLofts Internal Medicine, P.c.

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)

Personalized Internal Medicine, P.c. 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 Personalized Internal Medicine, P.C., which bills Medicare for the services this clinician delivers.

Clinician (1)

Arnold Goldstein, M.D.
Internal Medicine
NPI 1285770123
385 OXFORD VALLEY RD STE 311
Yardley, PA 19067
(215) 752-8889
✔ PECOS✔ Accepts Medicare1.8 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 39D0196427

Personalized Internal Medicine · Yardley, PA
Active · expires Dec 21, 2027
CLIA Number39D0196427
Laboratory TypePhysician Office
Certificate Effective DateDecember 22, 2025
Certificate Expiration DateDecember 21, 2027
Laboratory DirectorArnold L. Goldstein
Laboratory Phone(215) 752-8889
Laboratory LocationPersonalized Internal Medicine385 Oxford Valley Road, #311, Yardley, PA 19067
CLIA data matches this NPI record on: 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 Personalized Internal Medicine, P.C.'s NPI number?

The NPI number for Personalized Internal Medicine, P.C. is 1689601023. It was assigned to this organization in the NPPES registry on June 28, 2006. The provider was formerly known as Lofts Internal Medicine, P.C..

Where is Personalized Internal Medicine, P.C. located?

Personalized Internal Medicine, P.C. is located at 970 Town Center Dr. Suite C-15, Langhorne, PA 19047. The listed phone number is (215) 752-8889.

What is Personalized Internal Medicine, P.C.'s specialty?

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

Is Personalized Internal Medicine, P.C. enrolled in Medicare?

Yes. Personalized Internal Medicine, P.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Personalized Internal Medicine, P.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Personalized Internal Medicine, P.C.. 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.

Does Personalized Internal Medicine, P.C. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 39D0196427) is associated with this NPI, valid through December 21, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Personalized Internal Medicine, P.C. was last updated on October 9, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.