IMMC HEALTH
NPI 1124399308
Internal Medicine - Endocrinology, Diabetes & Metabolism in West Orange, NJ

Q: What is Elion Krok, M.D. PC's NPI number?

The NPI number for Elion Krok, M.D. PC is 1124399308. It was assigned to this organization in the NPPES registry on January 20, 2012. The provider is doing business as Immc Health.

Q: What is Elion Krok, M.D. PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Active since January 20, 2012

993 PLEASANT VALLEY WAY, WEST ORANGE, NJ 07052(973) 544-8901(866) 929-9843 Get Directions Write a Review

NPPES record last updated: February 27, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 27, 2023, Jan 26, 2023 (2 updates tracked since 2023).

On this page

About Immc Health NPPES

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

IMMC HEALTH (NPI 1124399308) is a healthcare organization registered as an endocrinology, diabetes & metabolism in West Orange, New Jersey and active in the NPI registry since January 2012. The organization lists Elion Krok, Physician, as its authorized official.

NPPES Registry Identity

NPI1124399308

Entity TypeOrganization

Primary Taxonomy207RE0101X

Legal Business NameELION KROK, M.D. PC

Location Address993 PLEASANT VALLEY WAYWest Orange, NJ 07052-1801

Mailing Address993 Pleasant Valley WayWest Orange, NJ 07052-1801 · (973) 544-8901 · Fax (866) 929-9843

Phone(973) 544-8901

Fax(866) 929-9843

Organization SubpartNo

Authorized OfficialElion KrokPhysician · (973) 544-8901

Enumeration DateJanuary 20, 2012

Last NPPES UpdateFebruary 27, 20232 updates tracked since enumeration

NPPES CertifiedFebruary 27, 2023

✔ NPI 1124399308 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

Also ListedInternal MedicineTaxonomy 207R00000X · License 25MA08957000 (NJ)

Also ListedInternal Medicine · Obesity MedicineTaxonomy 207RB0002X

Also ListedClinic/Center · Medical SpecialtyTaxonomy 261QM2500X

993 PLEASANT VALLEY WAY, West Orange, NJ 07052

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Other Names 1

Doing Business AsImmc Health

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 MULTIPLE 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)

Immc Health is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 3 clinicians reassign Medicare billing to Immc Health, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Elion Krok, M.D.

Internal Medicine

NPI 1538468491

993 PLEASANT VALLEY WAY
West Orange, NJ 07052

(973) 544-8901

✔ PECOS✔ Accepts MedicareSame address

Daniel Kistner

Nurse Practitioner

NPI 1962993675

6 BRIGHTON RD
Clifton, NJ 07012

(973) 777-7911

✔ PECOS✔ Accepts Medicare7.0 mi

Jared Krok, M.D.

Internal Medicine

NPI 1023578374

355 GRAND ST
Jersey City, NJ 07302

(201) 915-2431

✔ PECOS✔ Accepts Medicare13 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 Elion Krok, M.D. PC's NPI number?

The NPI number for Elion Krok, M.D. PC is 1124399308. It was assigned to this organization in the NPPES registry on January 20, 2012. The provider is doing business as Immc Health.

Where is Elion Krok, M.D. PC located?

Elion Krok, M.D. PC is located at 993 Pleasant Valley Way, West Orange, NJ 07052. The listed phone number is (973) 544-8901.

What is Elion Krok, M.D. PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Elion Krok, M.D. PC enrolled in Medicare?

Yes. Elion Krok, M.D. PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Elion Krok, M.D. PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Elion Krok, M.D. PC, 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. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Elion Krok, M.D. PC was last updated on February 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.