INTERNAL MEDICINE,GERIATRICS AND ONCOLOGY GROUP, P.C.
NPI 1417983537
Internal Medicine in Portage, IN

Q: What is Internal Medicine,geriatrics And Oncology Group, P.C.'s specialty?

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

Active since June 23, 2006CLIA 15D0912981 · Waiver

2640 HAMSTROM RD, PORTAGE, IN 46368(219) 762-9523(219) 763-3120 Get Directions Write a Review

NPPES record last updated: July 18, 2014. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Internal Medicine,geriatrics And Oncology Group, P.c. NPPES

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

INTERNAL MEDICINE,GERIATRICS AND ONCOLOGY GROUP, P.C. (NPI 1417983537), doing business as Shreyas A. Desai, M.d., is a healthcare organization registered as an internal medicine in Portage, Indiana and active in the NPI registry since June 2006. The organization holds a CLIA Waiver certificate valid through September 30, 2027 and lists Diana G Neumann, Billing Clerk, as its authorized official.

NPPES Registry Identity

NPI1417983537

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameINTERNAL MEDICINE,GERIATRICS AND ONCOLOGY GROUP, P.C.

Location Address2640 HAMSTROM RDPortage, IN 46368-3832

Mailing Address2640 Hamstrom RdPortage, IN 46368-3832 · (219) 762-9523 · Fax (219) 763-3120

Phone(219) 762-9523

Fax(219) 763-3120

Organization SubpartNo

Authorized OfficialDiana G NeumannBilling Clerk · (219) 464-4786

Enumeration DateJune 23, 2006

Last NPPES UpdateJuly 18, 2014

✔ NPI 1417983537 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in IN · 01027933A

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.

2640 HAMSTROM RD, Portage, IN 46368

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Other Names 1

Former Legal Business NameShreyas A. Desai, M.d.

Other Identifiers 5

Medicaid200201230IN

Medicare PIN234810AIN

Medicare UPINC25010IN

Medicaid100157480AIN

Medicare PIN235780AIN

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

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 15D0912981

Internal Medicine, Geriatrics And Oncology Group · Portage, IN

Active · expires Sep 30, 2027

CLIA Number15D0912981

Laboratory TypePhysician Office

Certificate Effective DateOctober 1, 2025

Certificate Expiration DateSeptember 30, 2027

Laboratory DirectorShreyas A. Desai

Laboratory Phone(219) 762-4423

Laboratory LocationInternal Medicine, Geriatrics And Oncology Group2640 Hamstrom Rd, Portage, IN 46368

CLIA data matches this NPI record on: Address Name

This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NEW BEGINNINGS SUBOXONE TREATMENT, LLC CORP

Internal Medicine