Dr. Nasser Janbay, MD
- Medicare services, 2024
- 384
- Medicare patients, 2024
- 175
- Part D claims, 2024
- 325
- Hospital affiliations
- 4
- Industry payments
- $9,181
- Practice address
- 4300 West Memorial Road, Oklahoma City, OK 73120
- Practice phone
- Call (405) 755-1515
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Janbay'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. Nasser Janbay is a hematologist and oncologist in Oklahoma City, Oklahoma
Dr. Janbay practices at Mercy Hospital Oklahoma City in Oklahoma City, Oklahoma, part of Mercy.
Dr. Janbay's NPI, 1699768374, was assigned on August 26, 2005. Dr. Janbay holds Oklahoma license 25205.
- NPI
- 1699768374NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648175281
- NPI enumeration date
- August 26, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (405) 755-1515
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nasser Janbay practices at Mercy Hospital Oklahoma City in Oklahoma City, Oklahoma
Dr. Janbay's primary practice is Mercy Hospital Oklahoma City, at 4300 West Memorial Road, Oklahoma City, OK 73120 in Oklahoma County. The practice phone is (405) 755-1515.
- Mercy Hospital Oklahoma City4300 West Memorial Road, Oklahoma City, OK 73120 · Oklahoma CountyPhone(405) 755-1515
Source: Dmand AI Affiliation Data
Dr. Nasser Janbay is affiliated with 8 sites of care and 4 medical groups
Dr. Janbay's primary practice is Mercy Hospital Oklahoma City in Oklahoma City, Oklahoma, part of Mercy. Dr. Janbay is also affiliated with Oklahoma Heart Hospital North. The medical group on file is Mercy Clinic Oklahoma Communities. Dmand AI also links Dr. Janbay to 2 more hospitals, 4 group practices and clinics and 3 medical groups, 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. Nasser Janbay's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Janbay practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital Oklahoma City | Available with a free account |
| +7 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Mercy and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Nasser Janbay is one of 134 hematologists and oncologists in Oklahoma
Hematology and oncology is Dr. Janbay's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dmand AI has Dr. Janbay's licenses on file in 2 states: Oklahoma and Kansas.
Specialties and state licenses
- Hematology and oncology, OklahomaPrimary
- Kansas license
Hematologists and oncologists near Dr. Janbay
Counts of hematologists and oncologists 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. Nasser Janbay billed Medicare for 384 services in 2024
CMS data shows 384 Medicare services from Dr. Janbay across 6 procedure codes in 2024, for 175 Medicare patients. Medicare paid $24,518 for them.
Dr. Janbay's Medicare services by type, 2022 to 2024
- 2022
- 2024
- Office and hospital visits
- 2022: 6422024: 25760%
- Surgery
- 2022: 02024: 127
Where Dr. Janbay's Medicare services took place, 2024
- In an office25366%
- In a facility13134%
Dr. Janbay compared with the Oklahoma median for hematologists and oncologists, 2024
- Dr. Janbay
- Oklahoma median
- Medicare services
- 384vs 1,21868% below
- Medicare patients
- 175vs 35451% below
- Part D claims
- 211vs 82774% below
Medians across 124 hematologists and oncologists in Oklahoma with Dmand AI profiles that report each measure.
Dr. Janbay'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. Janbay and other hematologists and oncologists in Oklahoma.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nasser Janbay treated 175 Medicare patients in 2024, average age 74
CMS counts 175 Medicare patients who saw Dr. Janbay in 2024. The largest group is 65 to 74, with 78 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.72, 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. Janbay's median patient age at 71, with 55% women.
Dr. Janbay's Medicare patients by age, 2024
Dr. Janbay's Medicare patients by sex, 2024
- Women9957%
- Men7643%
Chronic conditions among Dr. Janbay's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Chronic kidney disease36%
- Ischemic heart disease35%
- COPD31%
- Cancer31%
- Diabetes31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Janbay's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nasser Janbay wrote 325 Medicare Part D claims in 2024
In 2024, Dr. Janbay wrote 325 Medicare Part D claims for 216 patients. 28% of them were for generic drugs. CMS names the drug for 211 of them, across 5 drugs with 11 or more claims each, at $65,353 in total drug cost. In 2023, CMS named 125 claims across 2 drugs.
Dr. Janbay's Part D claims by kind of drug, 2024
- Generic92 claims28%
- Brand-name233 claims72%
Dr. Janbay'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. Janbay's Part D claims, 2024
- Opioids4%13 of 325 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: 1252024: 21169%
Drugs named by CMS: 5 in 2024, 2 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
Dr. Nasser Janbay offers telehealth to Medicare patients
Dr. Janbay accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Janbay as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Nasser Janbay received $9,181 in industry payments from 2016 to 2025
CMS Open Payments shows 59 general payments to Dr. Janbay from 18 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 69% of the total. Eli Lilly and Company paid the most, $8,164.
General payments to Dr. Janbay by program year, 2016 to 2025
General payments to Dr. Janbay by kind, 2016 to 2025
- Consulting fees$6,37569%
- Travel and lodging$1,43416%
- Food and beverage$1,09812%
- Education$2743%
Companies that paid Dr. Janbay 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. Nasser Janbay'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. Nasser Janbay
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. Nasser Janbay's NPI number?
Dr. Nasser Janbay's NPI number is 1699768374. It was assigned on August 26, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Nasser Janbay?
Dr. Nasser Janbay is a hematologist and oncologist in Oklahoma City, Oklahoma. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Nasser Janbay practice?
Dr. Janbay practices at 4300 West Memorial Road, Oklahoma City, OK 73120. Dr. Janbay's primary practice is Mercy Hospital Oklahoma City in Oklahoma City, Oklahoma, part of Mercy. Dmand AI also links Dr. Janbay to 2 hospitals, 4 group practices and clinics and 3 medical groups.
What is Dr. Nasser Janbay's office phone number?
The practice phone on file for Dr. Janbay is (405) 755-1515.
What is Dr. Nasser Janbay's medical license number?
Dr. Janbay holds Oklahoma license 25205, one of the licenses on file in 2 states.
Which states has Dr. Nasser Janbay been licensed in?
Dmand AI has state licenses on file for Dr. Janbay in Oklahoma and Kansas.
Which hospitals is Dr. Nasser Janbay affiliated with?
Dr. Janbay practices at Mercy Hospital Oklahoma City in Oklahoma City, Oklahoma. Dr. Janbay is also affiliated with Oklahoma Heart Hospital North. Dmand AI links Dr. Janbay to 2 more hospitals.
What medical group is Dr. Nasser Janbay part of?
Dr. Janbay is linked to Mercy Clinic Oklahoma Communities. Dmand AI links Dr. Janbay to 3 more medical groups.
Does Dr. Nasser Janbay accept Medicare?
Yes. CMS data shows Dr. Janbay billed Medicare for 384 services in 2024, and Dr. Janbay accepts Medicare assignment.
Does Dr. Nasser Janbay offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Janbay as offering telehealth services.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Nasser Janbay see?
CMS counts 175 Medicare patients who saw Dr. Janbay in 2024, with an average age of 74.
What services does Dr. Nasser Janbay bill to Medicare?
In 2024, Dr. Janbay's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99215) and office visit, established patient (99213).
What drugs does Dr. Nasser Janbay prescribe most?
In 2024 Medicare Part D data, Dr. Janbay's most prescribed drugs by claims were Arexvy, Shingrix and Mresvia.
Has Dr. Nasser Janbay received payments from drug or device companies?
CMS Open Payments shows $9,181 in general payments to Dr. Janbay from 18 companies from 2016 to 2025. The largest total came from Eli Lilly and Company.
How long has Dr. Nasser Janbay been practicing?
Dr. Janbay graduated from medical school in 1985, 41 years ago.
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