Dr. Gnana Sunderam, MD
- Medicare services, 2024
- 2,452
- Medicare patients, 2024
- 190
- Part D claims, 2024
- 9,421
- Hospital affiliations
- 2
- Industry payments
- $81,313
- Practice address
- 111 Central Avenue, Newark, NJ 07102
- Practice phone
- Call (973) 877-5350
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sunderam's professional email, personal email and mobile number
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Dr. Gnana Sunderam is an internist in Newark, New Jersey
Dr. Sunderam practices at Saint Michael's Medical Center in Newark, New Jersey, part of Prime Healthcare Services.
Dr. Sunderam's NPI, 1164446761, was assigned on July 27, 2006. Dr. Sunderam graduated from Rutgers New Jersey Medical School in 1986. Dr. Sunderam holds New Jersey license 25MA0429800.
- NPI
- 1164446761NPI Registry (opens in a new tab)
- NPI enumeration date
- July 27, 2006
- NPI status
- Active
- Practice phone
- (973) 877-5350
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gnana Sunderam practices at Saint Michael's Medical Center in Newark, New Jersey
Dr. Sunderam's primary practice is Saint Michael's Medical Center, at 111 Central Avenue, Newark, NJ 07102 in Essex County. The practice phone is (973) 877-5350.
- Saint Michael's Medical Center111 Central Avenue, Newark, NJ 07102 · Essex CountyPhone(973) 877-5350
Source: Dmand AI Affiliation Data
Dr. Gnana Sunderam is affiliated with 3 sites of care and 2 medical groups
Dr. Sunderam's primary practice is Saint Michael's Medical Center in Newark, New Jersey, part of Prime Healthcare Services. Dr. Sunderam is also affiliated with Greystone Park Psychiatric Hospital. The medical group on file is Central Avenue Professional Services. Dmand AI also links Dr. Sunderam to 1 more physician office and 1 medical group, 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. Gnana Sunderam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sunderam practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saint Michael's Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gnana Sunderam is one of 4,226 internists in New Jersey
Internal medicine is Dr. Sunderam's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Sunderam is licensed in New Jersey.
Specialties and state licenses
- Internal medicine, New JerseyPrimary
Internists near Dr. Sunderam
Counts of internists 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. Gnana Sunderam billed Medicare for 2,452 services in 2024
CMS data shows 2,452 Medicare services from Dr. Sunderam across 13 procedure codes in 2024, for 190 Medicare patients. Medicare paid $194,485 for them.
Dr. Sunderam's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,2082024: 2,2522%
- Lab and pathology
- 2023: 1862024: 13130%
- Tests and treatments
- 2023: 222024: 69214%
Where Dr. Sunderam's Medicare services took place, 2024
- In an office55523%
- In a facility1,89777%
Dr. Sunderam compared with the New Jersey median for internists, 2024
- Dr. Sunderam
- New Jersey median
- Medicare services
- 2,452vs 7233.4 times
- Medicare patients
- 190vs 23118% below
- Part D claims
- 8,681vs 83010.5 times
Medians across 4,086 internists in New Jersey with Dmand AI profiles that report each measure.
Dr. Sunderam'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sunderam and other internists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gnana Sunderam treated 190 Medicare patients in 2024, average age 73
CMS counts 190 Medicare patients who saw Dr. Sunderam in 2024. The largest group is 65 to 74, with 70 patients. 75% of them have diabetes, and 75% have high blood pressure. 69% are also on Medicaid. Their average risk score is 3.06, 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. Sunderam's median patient age at 67, with 54% women.
Dr. Sunderam's Medicare patients by age, 2024
Dr. Sunderam's Medicare patients by sex, 2024
- Women10656%
- Men8444%
Chronic conditions among Dr. Sunderam's Medicare patients, 2024
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Mood disorders46%
- Arthritis45%
- COPD45%
- Heart failure42%
- Chronic kidney disease37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sunderam's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women54%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gnana Sunderam wrote 9,421 Medicare Part D claims in 2024
In 2024, Dr. Sunderam wrote 9,421 Medicare Part D claims for 343 patients. 82% of them were for generic drugs. CMS names the drug for 8,681 of them, across 143 drugs with 11 or more claims each, at $712,681 in total drug cost. In 2023, CMS named 10,925 claims across 168 drugs.
Dr. Sunderam's Part D claims by kind of drug, 2024
- Generic7,763 claims82%
- Brand-name1,611 claims17%
- Other47 claims0%
Dr. Sunderam'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. Sunderam's Part D claims, 2024
- Opioids1%66 of 9,421 claims
- Antibiotics4%331 of 9,421 claims
- Antipsychotics, patients 65 and over3%257 of 9,421 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: 10,9252024: 8,68121%
Drugs named by CMS: 143 in 2024, 168 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
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Dr. Gnana Sunderam received $81,313 in industry payments from 2016 to 2025
CMS Open Payments shows 327 general payments to Dr. Sunderam from 20 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 78% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $49,474.
General payments to Dr. Sunderam by program year, 2016 to 2025
General payments to Dr. Sunderam by kind, 2016 to 2025
- Speaker and faculty fees$63,71078%
- Food and beverage$10,80813%
- Travel and lodging$3,5664%
- Consulting fees$3,1984%
- Education$310%
Companies that paid Dr. Sunderam 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. Gnana Sunderam graduated from Rutgers New Jersey Medical School
Dr. Sunderam graduated from Rutgers New Jersey Medical School in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gnana Sunderam'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) |
| 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. Gnana Sunderam
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. Gnana Sunderam's NPI number?
Dr. Gnana Sunderam's NPI number is 1164446761. It was assigned on July 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gnana Sunderam?
Dr. Gnana Sunderam is an internist in Newark, New Jersey. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gnana Sunderam practice?
Dr. Sunderam practices at 111 Central Avenue, Newark, NJ 07102. Dr. Sunderam's primary practice is Saint Michael's Medical Center in Newark, New Jersey, part of Prime Healthcare Services. Dmand AI also links Dr. Sunderam to 1 physician office and 1 medical group.
What is Dr. Gnana Sunderam's office phone number?
The practice phone on file for Dr. Sunderam is (973) 877-5350.
What is Dr. Gnana Sunderam's medical license number?
Dr. Sunderam holds New Jersey license 25MA0429800.
Which hospitals is Dr. Gnana Sunderam affiliated with?
Dr. Sunderam practices at Saint Michael's Medical Center in Newark, New Jersey. Dr. Sunderam is also affiliated with Greystone Park Psychiatric Hospital.
What medical group is Dr. Gnana Sunderam part of?
Dr. Sunderam is linked to Central Avenue Professional Services. Dmand AI links Dr. Sunderam to 1 more medical group.
Does Dr. Gnana Sunderam accept Medicare?
Yes. CMS data shows Dr. Sunderam billed Medicare for 2,452 services in 2024.
How many Medicare patients does Dr. Gnana Sunderam see?
CMS counts 190 Medicare patients who saw Dr. Sunderam in 2024, with an average age of 73.
What services does Dr. Gnana Sunderam bill to Medicare?
In 2024, Dr. Sunderam's most billed Medicare services were nursing facility care (99308), office visit, established patient (99214) and hospital inpatient care (99232).
Show 4 more questionsShow fewer questions
Where did Dr. Gnana Sunderam go to medical school?
Dr. Sunderam graduated from Rutgers New Jersey Medical School in 1986.
What drugs does Dr. Gnana Sunderam prescribe most?
In 2024 Medicare Part D data, Dr. Sunderam's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Montelukast Sodium.
Has Dr. Gnana Sunderam received payments from drug or device companies?
CMS Open Payments shows $81,313 in general payments to Dr. Sunderam from 20 companies from 2016 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Gnana Sunderam been practicing?
Dr. Sunderam graduated from medical school in 1986, 40 years ago.
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