Dr. Praveen Nallapareddy, MD
- Medicare services, 2024
- 1,739
- Medicare patients, 2024
- 621
- Part D claims, 2024
- 1,712
- Hospital affiliations
- 5
- Industry payments
- $8,272
- Practice address
- 4321 Fir Street, East Chicago, IN 46312
- Practice phone
- Call (219) 392-7004
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nallapareddy's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Praveen Nallapareddy is a gastroenterologist in East Chicago, Indiana
Dr. Nallapareddy practices at St. Catherine Hospital in East Chicago, Indiana, part of Community Healthcare System.
Dr. Nallapareddy's NPI, 1396908455, was assigned on July 8, 2008. Dr. Nallapareddy graduated from Chicago College of Medicine and Surgery in 2004. Dr. Nallapareddy holds Indiana license 01072083A.
- NPI
- 1396908455NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759570484
- NPI enumeration date
- July 8, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (219) 392-7004
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Praveen Nallapareddy practices at St. Catherine Hospital in East Chicago, Indiana
Dr. Nallapareddy's primary practice is St. Catherine Hospital, at 4321 Fir Street, East Chicago, IN 46312 in Lake County. The practice phone is (219) 392-7004.
- St. Catherine Hospital4321 Fir Street, East Chicago, IN 46312 · Lake CountyPhone(219) 392-7004
Source: Dmand AI Affiliation Data
Dr. Praveen Nallapareddy is affiliated with 6 sites of care and 1 medical group
Dr. Nallapareddy's primary practice is St. Catherine Hospital in East Chicago, Indiana, part of Community Healthcare System. Dr. Nallapareddy is also affiliated with Regency Hospital - Northwest Indiana. The medical group on file is Powers Health Medical Group. Dmand AI also links Dr. Nallapareddy to 3 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Praveen Nallapareddy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nallapareddy practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Catherine Hospital | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Praveen Nallapareddy is one of 333 gastroenterologists in Indiana
Gastroenterology is Dr. Nallapareddy's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Nallapareddy's licenses on file in 2 states: Indiana and Illinois.
Specialties and state licenses
- Gastroenterology, IndianaPrimary
- Illinois license
Gastroenterologists near Dr. Nallapareddy
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Praveen Nallapareddy billed Medicare for 1,739 services in 2024
CMS data shows 1,739 Medicare services from Dr. Nallapareddy across 17 procedure codes in 2024, for 621 Medicare patients. Medicare paid $126,464 for them.
Dr. Nallapareddy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0772024: 1,0841%
- Surgery
- 2023: 4832024: 43610%
- Other services
- 2023: 1772024: 21924%
Where Dr. Nallapareddy's Medicare services took place, 2024
- In an office29017%
- In a facility1,44983%
Dr. Nallapareddy compared with the Indiana median for gastroenterologists, 2024
- Dr. Nallapareddy
- Indiana median
- Medicare services
- 1,739vs 4713.7 times
- Medicare patients
- 621vs 3092.0 times
- Part D claims
- 1,531vs 4223.6 times
Medians across 330 gastroenterologists in Indiana with Dmand AI profiles that report each measure.
Dr. Nallapareddy's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Praveen Nallapareddy treated 621 Medicare patients in 2024, average age 73
CMS counts 621 Medicare patients who saw Dr. Nallapareddy in 2024. The largest group is 65 to 74, with 256 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 29% are also on Medicaid. Their average risk score is 2.27, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Nallapareddy's median patient age at 69, with 55% women.
Dr. Nallapareddy's Medicare patients by age, 2024
Dr. Nallapareddy's Medicare patients by sex, 2024
- Women35858%
- Men26342%
Chronic conditions among Dr. Nallapareddy's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Diabetes50%
- Ischemic heart disease45%
- Chronic kidney disease44%
- Heart failure39%
- Anxiety33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nallapareddy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Praveen Nallapareddy wrote 1,712 Medicare Part D claims in 2024
In 2024, Dr. Nallapareddy wrote 1,712 Medicare Part D claims for 541 patients. 84% of them were for generic drugs. CMS names the drug for 1,531 of them, across 22 drugs with 11 or more claims each, at $627,212 in total drug cost. In 2023, CMS named 1,511 claims across 25 drugs.
Dr. Nallapareddy's Part D claims by kind of drug, 2024
- Generic1,443 claims84%
- Brand-name and other269 claims16%
Dr. Nallapareddy's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Nallapareddy's Part D claims, 2024
- Antibiotics2%40 of 1,712 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,5112024: 1,5311%
Drugs named by CMS: 22 in 2024, 25 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Praveen Nallapareddy ranks in the 93rd percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Nallapareddy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 253 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Nallapareddy, more than 93% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Nallapareddy ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 93rd percentile253 procedures
- Colonoscopy
- 84th percentile122 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Praveen Nallapareddy received $8,272 in industry payments from 2016 to 2025
CMS Open Payments shows 548 general payments to Dr. Nallapareddy from 44 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Abbvie Inc. paid the most, $1,819.
General payments to Dr. Nallapareddy by program year, 2016 to 2025
General payments to Dr. Nallapareddy by kind, 2016 to 2025
- Food and beverage$8,08198%
- Education$991%
- Gifts$921%
Companies that paid Dr. Nallapareddy the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Praveen Nallapareddy graduated from Chicago College of Medicine and Surgery
Dr. Nallapareddy graduated from Chicago College of Medicine and Surgery in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Praveen Nallapareddy's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Praveen Nallapareddy
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Praveen Nallapareddy's NPI number?
Dr. Praveen Nallapareddy's NPI number is 1396908455. It was assigned on July 8, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Praveen Nallapareddy?
Dr. Praveen Nallapareddy is a gastroenterologist in East Chicago, Indiana. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Praveen Nallapareddy practice?
Dr. Nallapareddy practices at 4321 Fir Street, East Chicago, IN 46312. Dr. Nallapareddy's primary practice is St. Catherine Hospital in East Chicago, Indiana, part of Community Healthcare System. Dmand AI also links Dr. Nallapareddy to 3 hospitals and 1 group practice or clinic.
What is Dr. Praveen Nallapareddy's office phone number?
The practice phone on file for Dr. Nallapareddy is (219) 392-7004.
What is Dr. Praveen Nallapareddy's medical license number?
Dr. Nallapareddy holds Indiana license 01072083A, one of the licenses on file in 2 states.
Which states has Dr. Praveen Nallapareddy been licensed in?
Dmand AI has state licenses on file for Dr. Nallapareddy in Indiana and Illinois.
Which hospitals is Dr. Praveen Nallapareddy affiliated with?
Dr. Nallapareddy practices at St. Catherine Hospital in East Chicago, Indiana. Dr. Nallapareddy is also affiliated with Regency Hospital - Northwest Indiana. Dmand AI links Dr. Nallapareddy to 3 more hospitals.
What medical group is Dr. Praveen Nallapareddy part of?
Dr. Nallapareddy is linked to Powers Health Medical Group.
Does Dr. Praveen Nallapareddy accept Medicare?
Yes. CMS data shows Dr. Nallapareddy billed Medicare for 1,739 services in 2024, and Dr. Nallapareddy accepts Medicare assignment.
How many Medicare patients does Dr. Praveen Nallapareddy see?
CMS counts 621 Medicare patients who saw Dr. Nallapareddy in 2024, with an average age of 73.
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What services does Dr. Praveen Nallapareddy bill to Medicare?
In 2024, Dr. Nallapareddy's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99214) and hospital inpatient care (99222).
Where did Dr. Praveen Nallapareddy go to medical school?
Dr. Nallapareddy graduated from Chicago College of Medicine and Surgery in 2004.
What drugs does Dr. Praveen Nallapareddy prescribe most?
In 2024 Medicare Part D data, Dr. Nallapareddy's most prescribed drugs by claims were Pantoprazole Sodium, Omeprazole and Metoclopramide HCl.
Has Dr. Praveen Nallapareddy received payments from drug or device companies?
CMS Open Payments shows $8,272 in general payments to Dr. Nallapareddy from 44 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Praveen Nallapareddy been practicing?
Dr. Nallapareddy graduated from medical school in 2004, 22 years ago.
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