AdenocarcinomaNeoadjuvant TherapyNeoplasms, Second Primary
Dr. Samuel S. Oommen, MD
NPI1942385851
- Medicare services, 2021
- 93
- Part D claims, 2021
- 26
- Publications
- 6
- Clinical trials
- 2
- Industry payments
- $15,693
- Practice address
- 1303 E Herndon Ave, Fresno, CA 93720
- Practice phone
- Call (925) 296-7340
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Oommen's professional email, personal email and mobile number
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Dr. Samuel S. Oommen is a general surgeon in Fresno, California
Dr. Oommen practices in Fresno, California.
Dr. Oommen's NPI, 1942385851, was assigned on October 26, 2006. Dr. Oommen graduated from Karnataka Institute of Medical Science in 1974. Dr. Oommen holds California license A43862.
NPI and contact details
- NPI
- 1942385851NPI Registry (opens in a new tab)
- NPI enumeration date
- October 26, 2006
- NPI status
- Active
- Practice phone
- (925) 296-7340
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Samuel S. Oommen's practice address is in Fresno, California
Dr. Oommen's practice address in the NPI Registry is 1303 E Herndon Ave, Fresno, CA 93720, in Fresno County. The practice phone is (925) 296-7340.
- NPI Registry address1303 E Herndon Ave, Fresno, CA 93720 · Fresno CountyPhone(925) 296-7340
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Samuel S. Oommen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oommen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Oommen's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Samuel S. Oommen is one of 2,926 general surgeons in California
Surgery is Dr. Oommen's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Oommen is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Oommen's licenses on file in 3 states: California, New York and Texas.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- New York license
- Texas license
General surgeons near Dr. Oommen
Counts of general 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. Samuel S. Oommen billed Medicare for 93 services in 2021
CMS data shows 93 Medicare services from Dr. Oommen across 3 procedure codes in 2021. Medicare paid $9,028 for them. Every service was in an office.
Medicare services, 202193
Paid by Medicare$9,028
Procedure codes3
Dr. Oommen's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 2402021: 6971%
- Surgery
- 2020: 932021: 2474%
Dr. Oommen compared with the California median for general surgeons, 2021
- Dr. Oommen
- California median
- Medicare services
- 93vs 16644% below
- Part D claims
- 26vs 3424% below
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Oommen's most billed Medicare procedure codes, 2021
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. Oommen and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Samuel S. Oommen's patients have a median age of 68
Across all payers, Dmand AI patient panel data puts Dr. Oommen's median patient age at 68, with 50% women.
Dr. Oommen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Samuel S. Oommen wrote 26 Medicare Part D claims in 2021
In 2021, Dr. Oommen wrote 26 Medicare Part D claims. They cover 2 drugs, with $1,252 in total drug cost. In 2020, CMS named 105 claims across 6 drugs.
Part D claims, 202126
Drugs named by CMS2
Total drug cost$1,252
Dr. Oommen's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 1052021: 2675%
Drugs named by CMS: 2 in 2021, 6 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Samuel S. Oommen has 6 publications on record
Dmand AI links 6 papers to Dr. Oommen, published from 2011 to 2024. 2015 was the busiest year, with 2. The most frequent topics are Adenocarcinoma, Neoadjuvant Therapy and Organ Preservation. Dr. Oommen's most frequent co-authors are Julio E. Garcia-Aguilar, MD, Jorge Enrique Marcet, MD and Daniel Owen Herzig, MD.
Papers6
Years published2011 to 2024
Dr. Oommen's papers by year, 2011 to 2024
Topics Dr. Oommen writes about most
- Adenocarcinoma
- Neoadjuvant Therapy
- Organ Preservation
- Rectal Neoplasms
Dr. Oommen's most frequent co-authors
- Julio E. Garcia-Aguilar, MD6 shared papers
- Jorge Enrique Marcet, MD6 shared papers
- Daniel Owen Herzig, MD4 shared papers
Recent publications by Dr. Oommen
AdenocarcinomaChemoradiotherapyNeoadjuvant Therapy
See who Dr. Oommen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Oommen works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Samuel S. Oommen has worked on 2 clinical trials
Dmand AI links Dr. Oommen to 2 clinical trials. 1 is still active or recruiting. Conditions studied include Rectal Neoplasms and Rectal Diseases.
Conditions in Dr. Oommen's trials
- Rectal Neoplasms
- Rectal Diseases
Investigators on the most trials with Dr. Oommen
- Alessio Pigazzi, MD2 shared trials
- Shahid Sattar Ahmed, MBBS1 shared trial
- Vikram Attaluri, MD1 shared trial
Recent clinical trials with Dr. Oommen
PROSPECT: Chemotherapy Alone or Chemotherapy Plus Radiation Therapy in Treating Patients With Locally Advanced Rectal Cancer Undergoing Surgery (opens in a new tab)
Active, not recruitingPhase 2/3
Rectal NeoplasmsRectal DiseasesFOLFOX (chemotherapy)
Rectal NeoplasmsRectal Diseases
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Samuel S. Oommen received $15,693 in industry payments from 2016 to 2024
CMS Open Payments shows 91 general payments to Dr. Oommen from 24 drug and device companies from 2016 to 2024. Travel and lodging make up the largest share, 26% of the total. Intuitive Surgical, Inc. paid the most, $14,622.
General payments to Dr. Oommen by program year, 2016 to 2024
General payments to Dr. Oommen by kind, 2016 to 2024
$15.7Kin total
- Travel and lodging$4,13426%
- Speaker and faculty fees$4,00025%
- Food and beverage$3,81024%
- Education$3,75024%
Companies that paid Dr. Oommen the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Samuel S. Oommen has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Oommen.
Awards and honors for Dr. Oommen
- Undated
- Checkbook Top Doc
- Super Doc
Source: Dmand AI Professional Profile Data
Dr. Samuel S. Oommen graduated from Karnataka Institute of Medical Science
Dr. Oommen graduated from Karnataka Institute of Medical Science in 1974.
- Medical school
- Board certified in colon & rectal surgery
Source: Dmand AI Professional Profile Data
Dr. Samuel S. Oommen accepts plans from 1 insurance carrier
Dr. Oommen is in network with 1 carrier, including Elevance. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Elevance
Plan types Dr. Oommen accepts, by number of carriers
- HMO1
- Medicare1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Samuel S. Oommen'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Samuel S. Oommen
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. Samuel S. Oommen's NPI number?
Dr. Samuel S. Oommen's NPI number is 1942385851. It was assigned on October 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Samuel S. Oommen?
Dr. Samuel S. Oommen is a general surgeon in Fresno, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Samuel S. Oommen practice?
Dr. Oommen practices at 1303 E Herndon Ave, Fresno, CA 93720.
What is Dr. Samuel S. Oommen's office phone number?
The practice phone on file for Dr. Oommen is (925) 296-7340.
What is Dr. Samuel S. Oommen's medical license number?
Dr. Oommen holds California license A43862, one of the licenses on file in 3 states.
Which states has Dr. Samuel S. Oommen been licensed in?
Dmand AI has state licenses on file for Dr. Oommen in California (1987 to 2026), New York (since 1980) and Texas (1985 to 1988).
Does Dr. Samuel S. Oommen accept Medicare?
Yes. CMS data shows Dr. Oommen billed Medicare for 93 services in 2021.
Is Dr. Samuel S. Oommen board certified?
Yes. Dr. Oommen is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery.
What services does Dr. Samuel S. Oommen bill to Medicare?
In 2021, Dr. Oommen's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and surgery: digestive system (46600).
Where did Dr. Samuel S. Oommen go to medical school?
Dr. Oommen graduated from Karnataka Institute of Medical Science in 1974.
Show 6 more questionsShow fewer questions
What drugs does Dr. Samuel S. Oommen prescribe most?
In 2021 Medicare Part D data, Dr. Oommen's most prescribed drugs by claims were Gabapentin and Suprep.
Has Dr. Samuel S. Oommen received payments from drug or device companies?
CMS Open Payments shows $15,693 in general payments to Dr. Oommen from 24 companies from 2016 to 2024. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Samuel S. Oommen been practicing?
Dr. Oommen graduated from medical school in 1974, 52 years ago.
Does Dr. Samuel S. Oommen do research?
Dmand AI links 6 publications to Dr. Oommen, published from 2011 to 2024. Dr. Oommen has worked on 2 clinical trials.
Who does Dr. Samuel S. Oommen publish with?
Dr. Oommen's most frequent co-authors are Julio E. Garcia-Aguilar, MD (6 shared papers), Jorge Enrique Marcet, MD (6 shared papers) and Daniel Owen Herzig, MD (4 shared papers).
What insurance does Dr. Samuel S. Oommen accept?
Dr. Oommen is in network with 1 carrier, including Elevance. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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