Dr. Ram Kumar Subramanyan, MD, PhD

  • Omaha, NE
  • Cardiothoracic surgeon
NPI1164624615
Publications
3
Clinical trials
3
Hospital affiliations
2
Industry payments
$7,035
Medical groups
2
Practice address
8200 Dodge St, Omaha, NE 68114
Practice phone
Call (402) 955-5400
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Children's Nebraska

Hospital · Omaha, Nebraska

See all 4 affiliations

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Dr. Ram Kumar Subramanyan is a cardiothoracic surgeon in Omaha, Nebraska

Dr. Subramanyan practices at Children's Nebraska in Omaha, Nebraska, part of Children's Nebraska.

Dr. Subramanyan's NPI, 1164624615, was assigned on June 5, 2007. Dr. Subramanyan graduated from Madras Medical College in 1998. Dr. Subramanyan's California license number on file is A81911.

NPI and contact details
NPI enumeration date
June 5, 2007
NPI status
Active
Practice phone
(402) 955-5400
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
1998

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Ram Kumar Subramanyan practices at Children's Nebraska in Omaha, Nebraska

Dr. Subramanyan's primary practice is Children's Nebraska, at 8200 Dodge St, Omaha, NE 68114 in Douglas County. The practice phone is (402) 955-5400.

Source: Dmand AI Affiliation Data

Dr. Ram Kumar Subramanyan is affiliated with 2 sites of care and 2 medical groups

Dr. Subramanyan's primary practice is Children's Nebraska in Omaha, Nebraska, part of Children's Nebraska. Dr. Subramanyan is also affiliated with Children's Hospital Los Angeles. The medical group on file is UNMC Physicians. Dmand AI also links Dr. Subramanyan to 1 more medical group, named with a free account.

See all 4 affiliations for Dr. Subramanyan

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Ram Kumar Subramanyan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Subramanyan practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Children's NebraskaAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Subramanyan practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Children's Nebraska and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Ram Kumar Subramanyan is one of 37 cardiothoracic surgeons in Nebraska

Thoracic surgery (cardiothoracic vascular surgery) is Dr. Subramanyan's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Subramanyan is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Subramanyan's licenses on file in 4 states: California, South Dakota, Iowa and Nebraska.

Specialties and state licenses

  • Thoracic surgery (cardiothoracic vascular surgery), CaliforniaPrimaryLicense A81911 · 2003 to 2024 · taxonomy 208G00000X
  • South Dakota license
  • Iowa license2024 to 2026
  • Nebraska license2023 to 2026

Cardiothoracic surgeons near Dr. Subramanyan

Counts of cardiothoracic surgeons 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. Ram Kumar Subramanyan's patients have a median age of 6

Across all payers, Dmand AI patient panel data puts Dr. Subramanyan's median patient age at 6, with 58% women.

Dr. Subramanyan's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 6

Patient panel by sex, all payers

  • Women58%
  • Men42%

Source: Dmand AI Patient Panel Data

Dr. Ram Kumar Subramanyan has 3 publications on record

Dmand AI links 3 papers to Dr. Subramanyan in 2023. 2023 was the busiest year, with 2. Dr. Subramanyan's most frequent co-authors are Sari A. Acra, MD, Vrinda Bhardwaj, MD and David Blitzer, MD.

Papers3

Dr. Subramanyan's most frequent co-authors

Recent publications by Dr. Subramanyan

See all 3 publications and co-authors

See who Dr. Subramanyan researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Subramanyan works with, so you can find a warm path to the right cardiothoracic surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Ram Kumar Subramanyan has worked on 3 clinical trials

Dmand AI links Dr. Subramanyan to 3 clinical trials. 1 is still active or recruiting. Conditions studied include Hypoplastic Left Heart Syndrome and Heart Defects, Congenital.

Clinical trials with Dr. Subramanyan by phase

  1. 1Phase 1: 1 trial
  2. 1Phase 2: 1 trial
  3. 1Phase 3: 1 trial
  4. NonePhase 4: no trials

Conditions in Dr. Subramanyan's trials

  • Hypoplastic Left Heart Syndrome
  • Heart Defects, Congenital

Investigators on the most trials with Dr. Subramanyan

Recent clinical trials with Dr. Subramanyan

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Ram Kumar Subramanyan received $7,035 in industry payments from 2016 to 2025

CMS Open Payments shows 19 general payments to Dr. Subramanyan from 9 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 53% of the total. Artivion, Inc. paid the most, $4,208.

General payments to Dr. Subramanyan by program year, 2016 to 2025

General payments to Dr. Subramanyan by kind, 2016 to 2025

$7Kin total
  • Consulting fees$3,70053%
  • Travel and lodging$2,28332%
  • Food and beverage$1,05215%

Companies that paid Dr. Subramanyan the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Subramanyan

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Ram Kumar Subramanyan graduated from Madras Medical College

Dr. Subramanyan graduated from Madras Medical College in 1998. Dr. Subramanyan is a member of STS.

  1. Medical schoolMadras Medical College
  2. Board certified in surgeryAmerican Board of Surgery
  3. Board certified in congenital cardiac surgeryAmerican Board of Thoracic Surgery
  4. Board certified in thoracic and cardiac surgeryAmerican Board of Thoracic Surgery

Source: Dmand AI Professional Profile Data

Dr. Ram Kumar Subramanyan accepts plans from 10 insurance carriers

Dr. Subramanyan is in network with 10 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Alliant Health Plans
  • Aspirus Health Plan
  • Blue Cross and Blue Shield of Kansas City
  • +2 more carriersWith a free account

Plan types Dr. Subramanyan accepts, by number of carriers

  1. PPO6
  2. HMO5
  3. Medicare5
  4. POS4
  5. EPO3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Ram Kumar Subramanyan's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Ram Kumar Subramanyan

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. Ram Kumar Subramanyan's NPI number?

Dr. Ram Kumar Subramanyan's NPI number is 1164624615. It was assigned on June 5, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Ram Kumar Subramanyan?

Dr. Ram Kumar Subramanyan is a cardiothoracic surgeon in Omaha, Nebraska. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).

Where does Dr. Ram Kumar Subramanyan practice?

Dr. Subramanyan practices at 8200 Dodge St, Omaha, NE 68114. Dr. Subramanyan's primary practice is Children's Nebraska in Omaha, Nebraska, part of Children's Nebraska. Dmand AI also links Dr. Subramanyan to 1 medical group.

What is Dr. Ram Kumar Subramanyan's office phone number?

The practice phone on file for Dr. Subramanyan is (402) 955-5400.

What is Dr. Ram Kumar Subramanyan's medical license number?

Dr. Subramanyan's California license number on file is A81911, one of the licenses on file in 4 states.

Which states has Dr. Ram Kumar Subramanyan been licensed in?

Dmand AI has state licenses on file for Dr. Subramanyan in California (2003 to 2024), South Dakota, Iowa (2024 to 2026) and Nebraska (2023 to 2026).

Which hospitals is Dr. Ram Kumar Subramanyan affiliated with?

Dr. Subramanyan practices at Children's Nebraska in Omaha, Nebraska. Dr. Subramanyan is also affiliated with Children's Hospital Los Angeles.

What medical group is Dr. Ram Kumar Subramanyan part of?

Dr. Subramanyan is linked to UNMC Physicians. Dmand AI links Dr. Subramanyan to 1 more medical group.

Is Dr. Ram Kumar Subramanyan board certified?

Yes. Dr. Subramanyan is board certified in surgery by the American Board of Surgery.

Where did Dr. Ram Kumar Subramanyan go to medical school?

Dr. Subramanyan graduated from Madras Medical College in 1998.

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Has Dr. Ram Kumar Subramanyan received payments from drug or device companies?

CMS Open Payments shows $7,035 in general payments to Dr. Subramanyan from 9 companies from 2016 to 2025. The largest total came from Artivion, Inc.

How long has Dr. Ram Kumar Subramanyan been practicing?

Dr. Subramanyan graduated from medical school in 1998, 28 years ago.

Does Dr. Ram Kumar Subramanyan do research?

Dmand AI links 3 publications to Dr. Subramanyan. Dr. Subramanyan has worked on 3 clinical trials.

Who does Dr. Ram Kumar Subramanyan publish with?

Dr. Subramanyan's most frequent co-authors are Sari A. Acra, MD (1 shared paper), Vrinda Bhardwaj, MD (1 shared paper) and David Blitzer, MD (1 shared paper).

What insurance does Dr. Ram Kumar Subramanyan accept?

Dr. Subramanyan is in network with 10 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 6. Check the plan with the practice before a visit.

Selling to thoracic surgery (cardiothoracic vascular surgery) practices?

See cardiothoracic surgeons in Nebraska by site of care and group

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