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Internal Medicine & Geriatrics

  • Single-specialty group
  • Portage, IN
  • Core specialty: Primary care
NPI1417983537PAC ID1153338348Dmand IDNG-MGR-013067
Total HCPs
6
Physicians (MD/DO)
2
Nurses and PAs
4
Practice locations
3
Hospitals
1
Main site
2640 Hamstrom Rd, Portage, IN 46368-3832
Main phone
(219) 762-4423
Specialty areas
Primary care
Website and social

Parent organization

Internal Medicine & Geriatrics

Independent practice · Portage, Indiana

Find the right contacts among 6 HCPs

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Internal Medicine & Geriatrics is a single-specialty medical group with 3 practice locations in Indiana

Internal Medicine & Geriatrics (Internal Medicine Geriatrics And Oncology Group PC) is based in Portage, Indiana, part of Internal Medicine & Geriatrics.

Sources: NPPES NPI Registry (CMS); Doctors and Clinicians National Downloadable File (CMS); Dmand AI Org Hierarchy Data; and Dmand AI Affiliation Data

Internal Medicine & Geriatrics' NPI is 1417983537 and its PAC ID is 1153338348

Identifiers
Primary NPI (Type 2)
1417983537NPI Registry (opens in a new tab)
Medicare PAC ID
1153338348
Dmand ID
NG-MGR-013067
Medicare enrollment
Enrolled (PAC ID on file)
Contact
Main site address
2640 Hamstrom Rd, Portage, IN 46368-3832
Main phone
(219) 762-4423
Website
internalmedicinegeriatricsportage.com (opens in a new tab)
Executive emails and mobiles
Get contacts
Classification
Group type
Single-specialty
Core specialty
Primary care
Site structure
Multi-site
Ownership model
Clinician owned
Leadership
Physician-led
Medicare Part B payments
$339,871
Legal name
Internal Medicine Geriatrics And Oncology Group PC

Sources: NPPES NPI Registry (CMS); Doctors and Clinicians National Downloadable File (CMS); Dmand AI Org Hierarchy Data; Dmand AI Organization Profile Data; and Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data

Internal Medicine & Geriatrics is part of Internal Medicine & Geriatrics

Dmand AI places Internal Medicine & Geriatrics under Internal Medicine & Geriatrics, an independent practice.

  • Internal Medicine & GeriatricsIndependent practice
  • Internal Medicine & GeriatricsSingle-specialty medical group · Portage, IN

Source: Dmand AI Org Hierarchy Data

Org hierarchy

Map Internal Medicine & Geriatrics' entire network

See how Internal Medicine & Geriatrics connects to Internal Medicine & Geriatrics: its parent organizations, sister groups and every site of care in between, with the HCPs and leaders at each one.

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Internal Medicine & Geriatrics has 2 physicians among 6 HCPs

Physicians (MD, DO)2
Nurses4

Internal Medicine & Geriatrics physicians by specialty

  1. Internal medicine2

Share of the group's 2 physicians.

Internal Medicine & Geriatrics physicians

Dr. Havishakrishna Sarma, DOInternist, Hobart, INDr. Shreyas Arvind Desai, MDInternist, Gary, IN
View all 6 HCPs

Sources: NPPES NPI Registry (CMS); Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data

Internal Medicine & Geriatrics has 3 practice locations in Indiana

Internal Medicine & Geriatrics practice locations

Internal Medicine,Geriatrics And Oncology Group, P.C.Practice site · Gary, INInternal Medicine Geriatrics And Oncology Group - Portage (Hamstrom Rd)Practice site · Portage, IN
+1 more practice locationsAvailable with a free account

Internal Medicine & Geriatrics HCPs practice at 1 hospital

Methodist Hospitals, Northlake5 HCPs from this group · Acute care hospital, Gary, IN

Sources: Doctors and Clinicians National Downloadable File (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Full footprint

See every site where Internal Medicine & Geriatrics HCPs practice

Open all 3 practice locations and 1 hospital with facility phones, patient visits and the HCPs at each site.

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Internal Medicine & Geriatrics is a primary care group

Primary care is Internal Medicine & Geriatrics' core specialty, with internal medicine as its main practice type.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data

Dmand AI tracks 1 EHR vendor at Internal Medicine & Geriatrics

Vendor and product names for each practice location are available with a free account.

EHR systems at Internal Medicine & Geriatrics
SiteEHR vendorProduct
Main siteAvailable with a free accountAvailable with a free account
2 other practice locationsAvailable with a free accountAvailable with a free account

Source: Dmand AI Technology Install Data

Primary care groups in Indiana similar in size to Internal Medicine & Geriatrics

These primary care groups have the closest number of HCPs to Internal Medicine & Geriatrics.

Similar medical groups by number of HCPs
Medical groupHCPs
Anthony Medical AssociatesFort Wayne, IN6
Britt Family MedicineMadison, IN6
Community Family PhysiciansBremen, IN6
Credo Family MedicineFort Wayne, IN6
Dermatology Associates, PCIndianapolis, IN6
See all 474 primary care groups in Indiana

Sources: Dmand AI Affiliation Data; and Dmand AI Peer Benchmarks

Sources for Internal Medicine & Geriatrics data

Sources for the data on this page
Data on this pageSource
NPI, PAC ID and addressNPPES NPI Registry (CMS) (opens in a new tab)Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Dmand ID, phone, website, LinkedIn and group profileDmand AI Org Hierarchy DataDmand AI Organization Profile Data
Medicare Part B paymentsMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
Parent organizations and sister groupsDmand AI Org Hierarchy Data
HCPs and physician specialtiesNPPES NPI Registry (CMS) (opens in a new tab)Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation Data
Specialty areasDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation Data
Practice locations and hospitalsDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
EHR vendorsDmand AI Technology Install Data
Similar groupsDmand AI Affiliation DataDmand AI Peer Benchmarks

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Internal Medicine & Geriatrics

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Internal Medicine & Geriatrics' NPI number?

Internal Medicine & Geriatrics' primary NPI (Type 2) is 1417983537.

What is Internal Medicine & Geriatrics' PAC ID?

Internal Medicine & Geriatrics' Medicare PAC ID is 1153338348, which means the group is enrolled in Medicare.

How many locations does Internal Medicine & Geriatrics have?

Dmand AI links Internal Medicine & Geriatrics to 3 practice locations in Indiana. Its main site is at 2640 Hamstrom Rd, Portage, IN 46368-3832.

What is Internal Medicine & Geriatrics' phone number?

Internal Medicine & Geriatrics' main phone number is (219) 762-4423.

Who owns Internal Medicine & Geriatrics?

Dmand AI places Internal Medicine & Geriatrics under Internal Medicine & Geriatrics, an independent practice.

How many physicians does Internal Medicine & Geriatrics have?

Dmand AI links 2 physicians and 6 HCPs in all to Internal Medicine & Geriatrics.

What specialties does Internal Medicine & Geriatrics cover?

Internal Medicine & Geriatrics is a primary care group. The largest physician specialties are internal medicine (2).

What hospitals do Internal Medicine & Geriatrics HCPs practice at?

Internal Medicine & Geriatrics HCPs practice at 1 hospital with 5 or more of the group's HCPs, led by Methodist Hospitals, Northlake.

How much does Internal Medicine & Geriatrics receive from Medicare?

CMS data shows $339,871 in Medicare Part B payments to Internal Medicine & Geriatrics.

Selling to primary care groups?

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