LAGRANGEVILLE MEDICAL PC
NPI 1861153322
Internal Medicine in Franklin Square, NY

Active since January 06, 2022CLIA 33D2343453 · Waiver
71 FRANKLIN AVE, FRANKLIN SQUARE, NY 11010(212) 404-0362 Get Directions Write a Review

NPPES record last updated: December 11, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 11, 2025, Jun 17, 2024, Nov 15, 2023 and 1 more (4 updates tracked since 2022).

About Lagrangeville Medical Pc NPPES

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

LAGRANGEVILLE MEDICAL PC (NPI 1861153322) is a healthcare organization registered as an internal medicine in Franklin Square, New York and active in the NPI registry since January 2022. The organization holds a CLIA Waiver certificate valid through May 6, 2028, maintains a secondary practice location in Brooklyn, and lists Rana Hassan, Authorized Official, as its authorized official.

NPPES Registry Identity

NPI1861153322
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameLAGRANGEVILLE MEDICAL PC
Location Address71 FRANKLIN AVEFranklin Square, NY 11010-2523
Mailing Address71 Franklin AveFranklin Square, NY 11010-2523 · (718) 925-2974
Organization SubpartNo
Authorized OfficialRana HassanAuthorized Official · (347) 885-9963
Enumeration DateJanuary 6, 2022
Last NPPES UpdateDecember 11, 20254 updates tracked since enumeration
NPPES CertifiedDecember 11, 2025
✔ NPI 1861153322 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.
71 FRANKLIN AVE, Franklin Square, NY 11010

Secondary Practice Location 1

Location 199 Emerson PlBrooklyn, NY 11205-2602 · Phone (718) 925-2974

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)

Lagrangeville Medical Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

45

Medicare enrollment records show 45 clinicians reassign Medicare billing to Lagrangeville Medical PC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 9 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 6

Nurse Practitioner32
Internal Medicine7
Family Practice3
Clinical Social Worker1
Emergency Medicine1
Pulmonary Disease1

Nearest to this location (20)

See all 45
Internal Medicine
NPI 1467450759
71 FRANKLIN AVE
Franklin Square, NY 11010
(516) 216-1690
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1841110855
300 FRANKLIN AVE
Valley Stream, NY 11580
(516) 599-8280
✔ PECOS✔ Accepts Medicare2.0 mi
Nurse Practitioner
NPI 1851952212
230 HILTON AVE STE 103
Hempstead, NY 11550
(516) 464-0266
✔ PECOS2.3 mi
Internal Medicine
NPI 1477544096
21401 110TH AVE
Queens Village, NY 11429
(929) 615-6447
✔ PECOS✔ Accepts Medicare3.5 mi
Nurse Practitioner
NPI 1043883572
11358 212TH ST
Queens Village, NY 11429
(718) 954-3553
✔ PECOS3.5 mi
Nurse Practitioner
NPI 1093905911
3000 MARCUS AVE STE 2W15
New Hyde Park, NY 11042
(855) 201-4988
✔ PECOS✔ Accepts Medicare3.8 mi
Nurse Practitioner
NPI 1033579560
13740 LAURELTON PKWY
Rosedale, NY 11422
(917) 277-7601
✔ PECOS✔ Accepts Medicare4.1 mi
Family Practice
NPI 1306475694
1048 BEACH 20TH ST
Far Rockaway, NY 11691
(718) 765-6342
✔ PECOS8.1 mi
Nurse Practitioner
NPI 1306451893
9525 QUEENS BLVD FRNT 2A
Rego Park, NY 11374
(718) 925-6200
✔ PECOS✔ Accepts Medicare10.0 mi
Pulmonary Disease
NPI 1144204215
7812 METROPOLITAN AVE
Middle Village, NY 11379
(718) 894-1651
✔ PECOS✔ Accepts Medicare10 mi
Nurse Practitioner
NPI 1316221237
7901 BROADWAY
Elmhurst, NY 11373
(718) 334-2488
✔ PECOS✔ Accepts Medicare11 mi
Nurse Practitioner
NPI 1811408024
592 ROCKAWAY AVE
Brooklyn, NY 11212
(718) 345-5000
✔ PECOS13 mi
Nurse Practitioner
NPI 1962381350
835 HERKIMER ST
Brooklyn, NY 11233
(718) 221-2600
✔ PECOS✔ Accepts Medicare13 mi
Nurse Practitioner
NPI 1639702905
3636 33RD ST STE 306
Long Island City, NY 11106
(844) 403-4325
✔ PECOS✔ Accepts Medicare14 mi
Nurse Practitioner
NPI 1144799958
3709 FLATLANDS AVE
Brooklyn, NY 11234
(718) 444-7766
✔ PECOS✔ Accepts Medicare15 mi
Nurse Practitioner
NPI 1013674464
2100 BEDFORD AVE APT 3G
Brooklyn, NY 11226
(917) 292-1965
✔ PECOS15 mi
Family Practice
NPI 1093863508
2015 GRAND CONCOURSE
Bronx, NY 10453
(718) 583-7736
✔ PECOS✔ Accepts Medicare16 mi
Nurse Practitioner
NPI 1134866205
800 3RD AVE
New York, NY 10022
(718) 930-8199
✔ PECOS✔ Accepts Medicare16 mi
Nurse Practitioner
NPI 1629644729
10 UNION SQ E
New York, NY 10003
(212) 420-2000
✔ PECOS✔ Accepts Medicare17 mi
Internal Medicine
NPI 1669768016
365 W 52ND ST APT 4H
New York, NY 10019
(917) 306-5721
✔ PECOS17 mi
See all 45 clinicians

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 33D2343453

Lagrangeville Medical PC · Brooklyn, NY
Active · expires May 6, 2028
CLIA Number33D2343453
Laboratory TypePhysician Office
Certificate Effective DateMay 7, 2026
Certificate Expiration DateMay 6, 2028
Laboratory DirectorNelson Aluya
Laboratory Phone(212) 404-0362
Laboratory LocationLagrangeville Medical PC99 Emerson Pl Ste 201, Brooklyn, NY 11211
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 Lagrangeville Medical PC's NPI number?

The NPI number for Lagrangeville Medical PC is 1861153322. It was assigned to this organization in the NPPES registry on January 6, 2022.

Where is Lagrangeville Medical PC located?

Lagrangeville Medical PC is located at 71 Franklin Ave, Franklin Square, NY 11010. The listed phone number is (212) 404-0362.

What is Lagrangeville Medical PC's specialty?

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

Is Lagrangeville Medical PC enrolled in Medicare?

Yes. Lagrangeville Medical PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Lagrangeville Medical PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 45 clinicians in 6 Medicare specialties reassign their Medicare billing to Lagrangeville Medical 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. The largest specialties are Nurse Practitioner (32), Internal Medicine (7) and Family Practice (3). Of these, 1 practice at this address and 9 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Lagrangeville Medical PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 33D2343453) is associated with this NPI, valid through May 6, 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 Lagrangeville Medical PC was last updated on December 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.