Dr. Jason R. Gassman, MD
- Hospital affiliations
- 1
- Industry payments
- $74
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2021
- Practice address
- 1200 Childrens Ave, Oklahoma City, OK 73104
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ou Medical Center-The Children's Ho - Rad CT - HOPD
Acute Care Hospital outpatient department · Oklahoma City, Oklahoma
Find Dr. Gassman'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. Jason R. Gassman is an anesthesiologist in Oklahoma City, Oklahoma
Dr. Gassman practices at Ou Medical Center-The Children's Ho - Rad CT - HOPD in Oklahoma City, Oklahoma.
Dr. Gassman's NPI, 1609453919, was assigned on March 24, 2021. Dr. Gassman holds Oklahoma license 38317.
- NPI
- 1609453919NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012423098
- NPI enumeration date
- March 24, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jason R. Gassman practices at Ou Medical Center-the Children's Ho - Rad CT - HOPD in Oklahoma City, Oklahoma
Dr. Gassman's primary practice is Ou Medical Center-the Children's Ho - Rad CT - HOPD, at 1200 Childrens Ave, Oklahoma City, OK 73104.
- Ou Medical Center-the Children's Ho - Rad CT - HOPD1200 Childrens Ave, Oklahoma City, OK 73104
Source: Dmand AI Affiliation Data
Dr. Jason R. Gassman is affiliated with 4 sites of care and 2 medical groups
Dr. Gassman's primary practice is Ou Medical Center-The Children's Ho - Rad CT - HOPD in Oklahoma City, Oklahoma. Dr. Gassman is also affiliated with OU Health University of Oklahoma Medical Center. The medical group on file is OU Health. Dmand AI also links Dr. Gassman to 2 more group practices and clinics and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jason R. Gassman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gassman practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ou Medical Center-The Children's Ho - Rad CT - HOPD | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jason R. Gassman is one of 524 anesthesiologists in Oklahoma
Anesthesiology is Dr. Gassman's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Gassman is licensed in Oklahoma.
Specialties and state licenses
- Anesthesiology, OklahomaPrimary
Anesthesiologists near Dr. Gassman
Counts of anesthesiologists 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. Jason R. Gassman's patients have a median age of 52
Across all payers, Dmand AI patient panel data puts Dr. Gassman's median patient age at 52, with 65% women.
Dr. Gassman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women65%
- Men35%
Source: Dmand AI Patient Panel Data
How Dr. Jason R. Gassman takes part in Medicare
Dr. Gassman 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)
Dr. Jason R. Gassman received $74 in industry payments from 2024 to 2025
CMS Open Payments shows 4 general payments to Dr. Gassman from 3 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $29.
General payments to Dr. Gassman by program year, 2024 to 2025
Companies that paid Dr. Gassman the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jason R. Gassman'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Jason R. Gassman
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. Jason R. Gassman's NPI number?
Dr. Jason R. Gassman's NPI number is 1609453919. It was assigned on March 24, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Jason R. Gassman?
Dr. Jason R. Gassman is an anesthesiologist in Oklahoma City, Oklahoma. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Jason R. Gassman practice?
Dr. Gassman practices at 1200 Childrens Ave, Oklahoma City, OK 73104. Dr. Gassman's primary practice is Ou Medical Center-The Children's Ho - Rad CT - HOPD in Oklahoma City, Oklahoma. Dmand AI also links Dr. Gassman to 2 group practices and clinics and 1 medical group.
What is Dr. Jason R. Gassman's medical license number?
Dr. Gassman holds Oklahoma license 38317.
Which hospitals is Dr. Jason R. Gassman affiliated with?
Dr. Gassman is affiliated with OU Health University of Oklahoma Medical Center.
What medical group is Dr. Jason R. Gassman part of?
Dr. Gassman is linked to OU Health. Dmand AI links Dr. Gassman to 1 more medical group.
Does Dr. Jason R. Gassman accept Medicare?
Yes. CMS lists Dr. Gassman as accepting Medicare assignment.
Has Dr. Jason R. Gassman received payments from drug or device companies?
CMS Open Payments shows $74 in general payments to Dr. Gassman from 3 companies from 2024 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Jason R. Gassman been practicing?
Dr. Gassman graduated from medical school in 2021, 5 years ago.
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