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LEELHAN, P.C.
NPI 1306357884
Internal Medicine - Cardiovascular Disease in Lancaster, MA

Active since October 23, 2017
1675 MAIN ST, LANCASTER, MA 01523(978) 706-1492 Get Directions Write a Review

NPPES record last updated: June 16, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 16, 2018, Oct 25, 2017 (2 updates tracked since 2017).

About Leelhan, P.c. NPPES

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

LEELHAN, P.C. (NPI 1306357884) is a healthcare organization registered as a cardiovascular disease in Lancaster, Massachusetts and active in the NPI registry since October 2017. The organization lists Daniela J Capriles-diaz, President, as its authorized official.

NPPES Registry Identity

NPI1306357884
Entity TypeOrganization
Primary Taxonomy207RC0000X
Legal Business NameLEELHAN, P.C.
Location Address1675 MAIN STLancaster, MA 01523-2405
Mailing Address588 Boston Post Rd Ste 127Weston, MA 02493-1535 · (617) 519-9908 · Fax (161) 751-9990
Phone(978) 706-1492
Organization SubpartNo
Authorized OfficialDaniela J Capriles-diazPresident · (617) 519-9908
Enumeration DateOctober 23, 2017
Last NPPES UpdateJune 16, 20182 updates tracked since enumeration
✔ NPI 1306357884 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in MA · 234329
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
1675 MAIN ST, Lancaster, MA 01523
Open in Google Maps ↗

Other Identifiers 1

Other234329MA · Medical License

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)

Leelhan, P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Leelhan, P.C., which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (2)

Daniela Capriles Diaz, M.D.
Internal Medicine
NPI 1104000884
131 OLD ROAD TO NINE ACRE CORNER, JOHN CUMING BUILDING SUITE 640
Concord, MA 01742
(978) 317-0796
✔ PECOS16 mi
Dawn Resurreccion, NP
Nurse Practitioner
NPI 1588336564
55 FRUIT ST
Boston, MA 02114
(617) 732-5500
✔ PECOS33 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 Leelhan, P.C.'s NPI number?

The NPI number for Leelhan, P.C. is 1306357884. It was assigned to this organization in the NPPES registry on October 23, 2017.

Where is Leelhan, P.C. located?

Leelhan, P.C. is located at 1675 Main St, Lancaster, MA 01523. The listed phone number is (978) 706-1492.

What is Leelhan, P.C.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Leelhan, P.C. enrolled in Medicare?

Yes. Leelhan, P.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Leelhan, P.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Leelhan, P.C., in Internal Medicine and Nurse Practitioner. 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 Leelhan, P.C. was last updated on June 16, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.