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HINSDALE INTERNAL MEDICINE
NPI 1306889654
Internal Medicine in Westmont, IL

Active since June 14, 2006CLIA 14D0855761 · Microscopy
251 N CASS AVE, STE 100, WESTMONT, IL 60559(630) 963-0309(630) 963-0319 Get Directions Write a Review

NPPES record last updated: June 14, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Hinsdale Internal Medicine NPPES

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

HINSDALE INTERNAL MEDICINE (NPI 1306889654) is a healthcare organization registered as an internal medicine in Westmont, Illinois and active in the NPI registry since June 2006. The organization holds a CLIA Microscopy certificate valid through August 31, 2028 and lists Ruby Mann, Director Of Managed Care, as its authorized official.

NPPES Registry Identity

NPI1306889654
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameADVENTIST HEALTH PARTNERS, INC
Location Address251 N CASS AVE, STE 100Westmont, IL 60559-1744
Mailing Address251 N Cass Ave, Ste 100Westmont, IL 60559-1744 · (630) 963-0309 · Fax (630) 963-0319
Phone(630) 963-0309
Fax(630) 963-0319
Organization SubpartNo
Authorized OfficialRuby MannDirector Of Managed Care · (630) 856-6884
Enumeration DateJune 14, 2006
Last NPPES UpdateJune 14, 2017
✔ NPI 1306889654 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.
251 N CASS AVE, Westmont, IL 60559
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Other Names 1

Doing Business AsHinsdale Internal Medicine

Other Identifiers 2

OtherCN4921IL · Rrmc
Medicare ID-Type Unspecified399690IL

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)

Hinsdale Internal Medicine is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

378

Medicare enrollment records show 378 clinicians reassign Medicare billing to Hinsdale Internal Medicine, which bills Medicare for the services they deliver. Of these, 189 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 40

Family Practice81
Nurse Practitioner53
Obstetrics/Gynecology30
Anesthesiology22
General Surgery17
Interventional Cardiology17
Cardiovascular Disease (Cardiology)16
Gastroenterology15
32 other specialties127

Nearest to this location (20)

See all 378
Michael Brooks, DO
Family Practice
NPI 1801844311
99 PARK AVE
Clarendon Hills, IL 60514
(630) 455-7000
✔ PECOS✔ Accepts Medicare1.2 mi
Kimberly Warren, APRN, CNP
Nurse Practitioner
NPI 1740361195
815 PASQUINELLI DR
Westmont, IL 60559
(630) 790-1872
✔ PECOS✔ Accepts Medicare1.5 mi
Rajnishpaul Kular, M.D.
Psychiatry
NPI 1720241839
999 OAKMONT PLAZA DR 100
Westmont, IL 60559
(630) 850-2120
✔ PECOS✔ Accepts Medicare1.6 mi
Dimitria Vandarakis, LCSW
Clinical Social Worker
NPI 1871767806
5120 MAIN ST STE 103L
Downers Grove, IL 60515
(630) 890-9895
✔ PECOS✔ Accepts Medicare1.9 mi
Nazneen Shaikh, DO
Obstetrics/Gynecology
NPI 1770073934
412 63RD ST
Downers Grove, IL 60516
(630) 969-7706
✔ PECOS✔ Accepts Medicare2.2 mi
Oana Raicu
General Surgery
NPI 1982127114
1 SALT CREEK LN STE 100
Hinsdale, IL 60521
(630) 286-5570
✔ PECOS✔ Accepts Medicare2.4 mi
Megan Belleavia, RN, CNM
Certified Nurse Midwife (CNM)
NPI 1033512207
908 N ELM ST STE 303
Hinsdale, IL 60521
(630) 920-1347
✔ PECOS✔ Accepts Medicare2.9 mi
Rizwan Bajwa, DO
Neurology
NPI 1578518569
908 N ELM ST STE 202
Hinsdale, IL 60521
(630) 856-8640
✔ PECOS✔ Accepts Medicare2.9 mi
Edgar Carell, M.D.
Interventional Cardiology
NPI 1174578587
908 N ELM ST STE 404
Hinsdale, IL 60521
(630) 789-3422
✔ PECOS✔ Accepts Medicare2.9 mi
Anthony Digianfilippo, MD
Neurosurgery
NPI 1629078761
908 N ELM ST 202
Hinsdale, IL 60521
(630) 861-6840
✔ PECOS✔ Accepts Medicare2.9 mi
Sahib Gill, MD
Addiction Medicine
NPI 1841603750
908 N ELM ST STE 207
Hinsdale, IL 60521
(630) 850-2120
✔ PECOS✔ Accepts Medicare2.9 mi
Mayur Patel, M.D.
Cardiovascular Disease (Cardiology)
NPI 1629463427
908 N ELM ST STE 404
Hinsdale, IL 60521
(630) 789-3422
✔ PECOS✔ Accepts Medicare2.9 mi
Francisco Aguilar, MD
Cardiac Electrophysiology
NPI 1487637567
908 N ELM ST STE 404
Hinsdale, IL 60521
(630) 789-3422
✔ PECOS✔ Accepts Medicare2.9 mi
Joshua Yeager, PSY.D.
Clinical Psychologist
NPI 1851709166
908 N ELM ST STE 207
Hinsdale, IL 60521
(630) 850-2120
✔ PECOS✔ Accepts Medicare2.9 mi
Zakaria Sibai, MD
Endocrinology
NPI 1346763331
911 N ELM ST
Hinsdale, IL 60521
(630) 861-6655
✔ PECOS✔ Accepts Medicare2.9 mi
Michelle Lipman, MD
Gastroenterology
NPI 1376548289
911 N ELM ST STE 115
Hinsdale, IL 60521
(630) 861-6620
✔ PECOS✔ Accepts Medicare2.9 mi
Jessica Zlotek, RD LDN
Registered Dietitian or Nutrition Professional
NPI 1689271637
911 N ELM ST STE 115
Hinsdale, IL 60521
(630) 861-6656
✔ Accepts Medicare2.9 mi
Alphi Elackattu, MD
Otolaryngology
NPI 1033372750
11 SALT CREEK LN STE 101
Hinsdale, IL 60521
(630) 861-6275
✔ PECOS✔ Accepts Medicare3.1 mi
George Gibbs, M.D.
Advanced Heart Failure and Transplant Cardiology
NPI 1346287927
11 SALT CREEK LN
Hinsdale, IL 60521
(630) 789-3422
✔ PECOS✔ Accepts Medicare3.1 mi
Jill Messina, AU.D.
Qualified Audiologist
NPI 1144471806
11 SALT CREEK LN SUITE 101
Hinsdale, IL 60521
(630) 789-3110
✔ Accepts Medicare3.1 mi
See all 378 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 for Provider-Performed Microscopy Procedures (PPMP) 14D0855761

Hinsdale Internal Medicine Assoc (d/B/A) Adventist Health Partners · Westmont, IL
Active · expires Aug 31, 2028
CLIA Number14D0855761
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2026
Certificate Expiration DateAugust 31, 2028
Laboratory DirectorDavid Sachtleben
Laboratory Phone(630) 963-0309
Laboratory LocationHinsdale Internal Medicine Assoc (d/B/A) Adventist Health Partners251 N Cass Ave, Westmont, IL 60559
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform 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 Adventist Health Partners, Inc's NPI number?

The NPI number for Adventist Health Partners, Inc is 1306889654. It was assigned to this organization in the NPPES registry on June 14, 2006. The provider is doing business as Hinsdale Internal Medicine.

Where is Adventist Health Partners, Inc located?

Adventist Health Partners, Inc is located at 251 N Cass Ave Ste 100, Westmont, IL 60559. The listed phone number is (630) 963-0309.

What is Adventist Health Partners, Inc's specialty?

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

Is Adventist Health Partners, Inc enrolled in Medicare?

Yes. Adventist Health Partners, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Adventist Health Partners, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 378 clinicians in 40 Medicare specialties reassign their Medicare billing to Adventist Health Partners, Inc. 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 Family Practice (81), Nurse Practitioner (53) and Obstetrics/Gynecology (30). Of these, 189 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Adventist Health Partners, Inc hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 14D0855761) is associated with this NPI, valid through August 31, 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 Adventist Health Partners, Inc was last updated on June 14, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.