Dr. Jacob Saj Oommen, MD
- Medicare services, 2024
- 2,098
- Medicare patients, 2024
- 416
- Part D claims, 2024
- 952
- Hospital affiliations
- 4
- Industry payments
- $1,982
- Practice address
- 1900 North Higley Road, Gilbert, AZ 85234
- Practice phone
- Call (480) 543-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Oommen'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. Jacob Saj Oommen is an infectious disease specialist in Gilbert, Arizona
Dr. Oommen practices at Banner Gateway Medical Center in Gilbert, Arizona, part of Banner Health.
Dr. Oommen's NPI, 1720020431, was assigned on June 10, 2006. Dr. Oommen holds Kansas license 04-25365.
- NPI
- 1720020431NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466455407
- NPI enumeration date
- June 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (480) 543-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jacob Saj Oommen practices at Banner Gateway Medical Center in Gilbert, Arizona
Dr. Oommen's primary practice is Banner Gateway Medical Center, at 1900 North Higley Road, Gilbert, AZ 85234 in Maricopa County. The practice phone is (480) 543-2000.
- Banner Gateway Medical Center1900 North Higley Road, Gilbert, AZ 85234 · Maricopa CountyPhone(480) 543-2000
Source: Dmand AI Affiliation Data
Dr. Jacob Saj Oommen is affiliated with 8 sites of care and 2 medical groups
Dr. Oommen's primary practice is Banner Gateway Medical Center in Gilbert, Arizona, part of Banner Health. Dr. Oommen is also affiliated with Dignity Health Mercy Gilbert Medical Center. The medical group on file is Synergy Infectious Disease Physicians. Dmand AI also links Dr. Oommen to 2 more hospitals, 2 home health agencies, 1 physician office, 1 group practice or clinic 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. Jacob Saj Oommen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oommen practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Banner Gateway Medical Center | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jacob Saj Oommen is one of 154 infectious disease specialists in Arizona
Infectious disease is Dr. Oommen's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dmand AI has Dr. Oommen's licenses on file in 4 states: Kansas, Arizona, Illinois and Missouri.
Specialties and state licenses
- Infectious disease, KansasPrimary
- Arizona license
- Illinois license
- Missouri license
Infectious disease specialists near Dr. Oommen
Counts of infectious disease specialists 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. Jacob Saj Oommen billed Medicare for 2,098 services in 2024
CMS data shows 2,098 Medicare services from Dr. Oommen across 3 procedure codes in 2024, for 416 Medicare patients. Medicare paid $158,735 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Oommen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,1432024: 2,0982%
Dr. Oommen compared with the Arizona median for infectious disease specialists, 2024
- Dr. Oommen
- Arizona median
- Medicare services
- 2,098vs 5343.9 times
- Medicare patients
- 416vs 1982.1 times
- Part D claims
- 882vs 1934.6 times
Medians across 141 infectious disease specialists in Arizona with Dmand AI profiles that report each measure.
Dr. Oommen'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. Oommen and other infectious disease specialists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jacob Saj Oommen treated 416 Medicare patients in 2024, average age 75
CMS counts 416 Medicare patients who saw Dr. Oommen in 2024. The largest group is 65 to 74, with 163 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 2.74, 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. Oommen's median patient age at 64, with 46% women.
Dr. Oommen's Medicare patients by age, 2024
Dr. Oommen's Medicare patients by sex, 2024
- Women20850%
- Men20850%
Chronic conditions among Dr. Oommen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Chronic kidney disease52%
- Ischemic heart disease48%
- Mood disorders43%
- Diabetes42%
- Anxiety41%
Share of Medicare patients with each condition. A patient can have several.
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 64
Patient panel by sex, all payers
- Women46%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jacob Saj Oommen wrote 952 Medicare Part D claims in 2024
In 2024, Dr. Oommen wrote 952 Medicare Part D claims for 257 patients. 95% of them were for generic drugs. CMS names the drug for 882 of them, across 22 drugs with 11 or more claims each, at $96,396 in total drug cost. In 2023, CMS named 407 claims across 16 drugs.
Dr. Oommen's Part D claims by kind of drug, 2024
- Generic900 claims95%
- Brand-name52 claims5%
Dr. Oommen'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. Oommen's Part D claims, 2024
- Antibiotics88%841 of 952 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: 4072024: 882117%
Drugs named by CMS: 22 in 2024, 16 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
How Dr. Jacob Saj Oommen takes part in Medicare
Dr. Oommen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jacob Saj Oommen received $1,982 in industry payments from 2016 to 2025
CMS Open Payments shows 52 general payments to Dr. Oommen from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 76% of the total. Allergan Inc. paid the most, $641.
General payments to Dr. Oommen by program year, 2016 to 2025
General payments to Dr. Oommen by kind, 2016 to 2025
- Food and beverage$1,50776%
- Education$47524%
Companies that paid Dr. Oommen the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jacob Saj 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 | 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Jacob Saj 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. Jacob Saj Oommen's NPI number?
Dr. Jacob Saj Oommen's NPI number is 1720020431. It was assigned on June 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jacob Saj Oommen?
Dr. Jacob Saj Oommen is an infectious disease specialist in Gilbert, Arizona. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Jacob Saj Oommen practice?
Dr. Oommen practices at 1900 North Higley Road, Gilbert, AZ 85234. Dr. Oommen's primary practice is Banner Gateway Medical Center in Gilbert, Arizona, part of Banner Health. Dmand AI also links Dr. Oommen to 2 hospitals, 2 home health agencies, 1 physician office, 1 group practice or clinic and 1 medical group.
What is Dr. Jacob Saj Oommen's office phone number?
The practice phone on file for Dr. Oommen is (480) 543-2000.
What is Dr. Jacob Saj Oommen's medical license number?
Dr. Oommen holds Kansas license 04-25365, one of the licenses on file in 4 states.
Which states has Dr. Jacob Saj Oommen been licensed in?
Dmand AI has state licenses on file for Dr. Oommen in Kansas, Arizona, Illinois and Missouri.
Which hospitals is Dr. Jacob Saj Oommen affiliated with?
Dr. Oommen practices at Banner Gateway Medical Center in Gilbert, Arizona. Dr. Oommen is also affiliated with Dignity Health Mercy Gilbert Medical Center. Dmand AI links Dr. Oommen to 2 more hospitals.
What medical group is Dr. Jacob Saj Oommen part of?
Dr. Oommen is linked to Synergy Infectious Disease Physicians. Dmand AI links Dr. Oommen to 1 more medical group.
Does Dr. Jacob Saj Oommen accept Medicare?
Yes. CMS data shows Dr. Oommen billed Medicare for 2,098 services in 2024, and Dr. Oommen accepts Medicare assignment.
How many Medicare patients does Dr. Jacob Saj Oommen see?
CMS counts 416 Medicare patients who saw Dr. Oommen in 2024, with an average age of 75.
Show 4 more questionsShow fewer questions
What services does Dr. Jacob Saj Oommen bill to Medicare?
In 2024, Dr. Oommen's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and hospital inpatient care (99233).
What drugs does Dr. Jacob Saj Oommen prescribe most?
In 2024 Medicare Part D data, Dr. Oommen's most prescribed drugs by claims were Ceftriaxone, Vancomycin HCl and Amoxicillin-Clavulanate Potass.
Has Dr. Jacob Saj Oommen received payments from drug or device companies?
CMS Open Payments shows $1,982 in general payments to Dr. Oommen from 8 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. Jacob Saj Oommen been practicing?
Dr. Oommen graduated from medical school in 1987, 39 years ago.
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