John C. Gunnell
- Medicare services, 2018
- 756
- Part D claims, 2024
- 17
- Affiliated sites
- 1
- Insurance carriers
- 3
- State license
- 1
- Practice address
- 435 Arden Ave, Glendale, CA 91203-1130
- Practice phone
- Call (818) 247-5440
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Western Hematology & Oncology
Physician office · Glendale, California
Find John Gunnell'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.
John C. Gunnell is a hematologist and oncologist in Glendale, California
John Gunnell practices at Western Hematology & Oncology in Glendale, California.
John Gunnell's NPI, 1487765301, was assigned on August 31, 2006. John Gunnell graduated from Vagelos College of Physicians and Surgeons in 1968. John Gunnell's California license number on file is G17573.
- NPI
- 1487765301NPI Registry (opens in a new tab)
- NPI enumeration date
- August 31, 2006
- NPI status
- Active
- Practice phone
- (818) 247-5440
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1968
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
John C. Gunnell practices at Western Hematology & Oncology in Glendale, California
John Gunnell's primary practice is Western Hematology & Oncology, at 435 Arden Ave, Glendale, CA 91203-1130. The practice phone is (818) 247-5440.
- Western Hematology & Oncology435 Arden Ave, Glendale, CA 91203-1130Phone(818) 247-5440
Source: Dmand AI Affiliation Data
John C. Gunnell is affiliated with 1 site of care
John Gunnell's primary practice is Western Hematology & Oncology in Glendale, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John C. Gunnell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Gunnell practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Western Hematology & Oncology | Available with a free account |
Source: Dmand AI Technology Install Data
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John C. Gunnell is one of 1,502 hematologists and oncologists in California
Hematology and oncology is John Gunnell's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. John Gunnell is board certified in internal medicine by the American Board of Internal Medicine. John Gunnell has a license on file in California.
Specialties and state licenses
- Hematology and oncology, CaliforniaPrimary
Hematologists and oncologists near John Gunnell
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
John C. Gunnell billed Medicare for 756 services in 2018
CMS data shows 756 Medicare services from John Gunnell across 6 procedure codes in 2018. Medicare paid $43,596 for them.
John Gunnell's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 2,2902018: 55876%
- Tests and treatments
- 2017: 9492018: 7592%
- Lab and pathology
- 2017: 1,0312018: 6294%
- Surgery
- 2017: 1,0272018: 6194%
- Drugs given in the office
- 2017: 3,1112018: 0100%
- Other services
- 2017: 362018: 0100%
Where John Gunnell's Medicare services took place, 2018
- In an office53571%
- In a facility22129%
John Gunnell compared with the California median for hematologists and oncologists, 2018
- John Gunnell
- California median
- Medicare services
- 756vs 93219% below
- Part D claims
- 36vs 39491% below
Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.
John Gunnell's most billed Medicare procedure codes, 2018
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for John Gunnell?
Medicare shows one payer. Book a meeting to get commercial claims data for John Gunnell and other hematologists and oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
John C. Gunnell's patients have a median age of 77
Across all payers, Dmand AI patient panel data puts John Gunnell's median patient age at 77, with 31% women.
John Gunnell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women31%
- Men69%
Source: Dmand AI Patient Panel Data
John C. Gunnell wrote 17 Medicare Part D claims in 2024
In 2024, John Gunnell wrote 17 Medicare Part D claims. 94% of them were for generic drugs. They cover 3 drugs, with $202 in total drug cost. In 2020, CMS named 72 claims across 6 drugs.
John Gunnell's Part D claims by kind of drug, 2024
- Generic16 claims94%
- Brand-name and other1 claims6%
John Gunnell'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: 722021: 3650%
Drugs named by CMS: 3 in 2021, 6 in 2020.
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
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John C. Gunnell graduated from Vagelos College of Physicians and Surgeons
John Gunnell graduated from Vagelos College of Physicians and Surgeons in 1968.
- Medical school
- Board certified in internal medicine
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
John C. Gunnell accepts plans from 3 insurance carriers
John Gunnell is in network with 3 carriers, including Elevance, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
Plan types John Gunnell accepts, by number of carriers
- Medicare3
- PPO3
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for John C. Gunnell'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 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)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| 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 John C. Gunnell
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John C. Gunnell's NPI number?
John C. Gunnell's NPI number is 1487765301. It was assigned on August 31, 2006, and it is active in the NPI Registry.
What does John C. Gunnell specialize in?
John C. Gunnell is a hematologist and oncologist in Glendale, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does John C. Gunnell practice?
John Gunnell practices at 435 Arden Ave, Glendale, CA 91203-1130. John Gunnell's primary practice is Western Hematology & Oncology in Glendale, California.
What is John C. Gunnell's office phone number?
The practice phone on file for John Gunnell is (818) 247-5440.
What is John C. Gunnell's medical license number?
John Gunnell's California license number on file is G17573.
Does John C. Gunnell accept Medicare?
Yes. CMS data shows John Gunnell billed Medicare for 756 services in 2018.
Is John C. Gunnell board certified?
Yes. John Gunnell is board certified in internal medicine by the American Board of Internal Medicine.
What services does John C. Gunnell bill to Medicare?
In 2018, John Gunnell's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99232) and infusion or chemotherapy administration (96372).
Where did John C. Gunnell go to medical school?
John Gunnell graduated from Vagelos College of Physicians and Surgeons in 1968.
What drugs does John C. Gunnell prescribe most?
In 2021 Medicare Part D data, John Gunnell's most prescribed drugs by claims were Omeprazole, Simvastatin and Terazosin HCl.
How long has John C. Gunnell been practicing?
John Gunnell graduated from medical school in 1968, 58 years ago.
What insurance does John C. Gunnell accept?
John Gunnell is in network with 3 carriers, including Elevance, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
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