Dr. John Bret Cellar, MD
- Medicare services, 2024
- 152
- Medicare patients, 2024
- 258
- Hospital affiliations
- 1
- Industry payments
- $447
- Medical groups
- 2
- Practice address
- 2425 Samaritan Drive, San Jose, CA 95124
- Practice phone
- Call (408) 559-2011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Cellar's professional email, personal email and mobile number
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Dr. John Bret Cellar is an anesthesiologist in San Jose, California
Dr. Cellar practices at Good Samaritan Hospital in San Jose, California, part of HCA Healthcare.
Dr. Cellar's NPI, 1073549473, was assigned on June 25, 2006. Dr. Cellar graduated from Baylor College Of Medicine in 1987. Dr. Cellar holds California license A49077.
- NPI
- 1073549473NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315013588
- NPI enumeration date
- June 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 559-2011
- 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. John Bret Cellar practices at Good Samaritan Hospital in San Jose, California
Dr. Cellar's primary practice is Good Samaritan Hospital, at 2425 Samaritan Drive, San Jose, CA 95124 in Santa Clara County. The practice phone is (408) 559-2011.
- Good Samaritan Hospital2425 Samaritan Drive, San Jose, CA 95124 · Santa Clara CountyPhone(408) 559-2011
Source: Dmand AI Affiliation Data
Dr. John Bret Cellar is affiliated with 1 site of care and 2 medical groups
Dr. Cellar's primary practice is Good Samaritan Hospital in San Jose, California, part of HCA Healthcare. The medical group on file is G2 Anesthesia. Dmand AI also links Dr. Cellar to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Bret Cellar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cellar practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Good Samaritan Hospital | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Bret Cellar is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Cellar's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Cellar is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Cellar's licenses on file in 2 states: California and Texas.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- Texas license
Anesthesiologists near Dr. Cellar
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. John Bret Cellar billed Medicare for 152 services in 2024
CMS data shows 152 Medicare services from Dr. Cellar across 4 procedure codes in 2024, for 258 Medicare patients. Medicare paid $17,850 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Cellar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 1212024: 15226%
Dr. Cellar compared with the California median for anesthesiologists, 2024
- Dr. Cellar
- California median
- Medicare services
- 152vs 722.1 times
- Medicare patients
- 258vs 14380% above
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Cellar'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.
Need commercial claims for Dr. Cellar?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cellar and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Bret Cellar treated 258 Medicare patients in 2024, average age 75
CMS counts 258 Medicare patients who saw Dr. Cellar in 2024. The largest group is 75 to 84, with 114 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Cellar's median patient age at 67, with 64% women.
Dr. Cellar's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Cellar's Medicare patients by sex, 2024
- Women14556%
- Men11344%
Chronic conditions among Dr. Cellar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Diabetes31%
- Osteoporosis24%
- Ischemic heart disease23%
- Cancer20%
- Atrial fibrillation18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Cellar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women64%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. John Bret Cellar takes part in Medicare
Dr. Cellar 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. John Bret Cellar received $447 in industry payments from 2016 to 2025
CMS Open Payments shows 6 general payments to Dr. Cellar from 4 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Pacira Pharmaceuticals Incorporated paid the most, $163.
General payments to Dr. Cellar by program year, 2016 to 2025
Companies that paid Dr. Cellar the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Bret Cellar graduated from Baylor College Of Medicine
Dr. Cellar graduated from Baylor College Of Medicine in 1987.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. John Bret Cellar accepts plans from 6 insurance carriers
Dr. Cellar is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Elevance
- HCSC
Plan types Dr. Cellar accepts, by number of carriers
- PPO3
- Medicare2
- POS2
- EPO1
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. John Bret Cellar'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) |
| 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) |
| 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. John Bret Cellar
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. John Bret Cellar's NPI number?
Dr. John Bret Cellar's NPI number is 1073549473. It was assigned on June 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Bret Cellar?
Dr. John Bret Cellar is an anesthesiologist in San Jose, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. John Bret Cellar practice?
Dr. Cellar practices at 2425 Samaritan Drive, San Jose, CA 95124. Dr. Cellar's primary practice is Good Samaritan Hospital in San Jose, California, part of HCA Healthcare. Dmand AI also links Dr. Cellar to 1 medical group.
What is Dr. John Bret Cellar's office phone number?
The practice phone on file for Dr. Cellar is (408) 559-2011.
What is Dr. John Bret Cellar's medical license number?
Dr. Cellar holds California license A49077, one of the licenses on file in 2 states.
Which states has Dr. John Bret Cellar been licensed in?
Dmand AI has state licenses on file for Dr. Cellar in California (1991 to 2026) and Texas (1988 to 1992).
Which hospitals is Dr. John Bret Cellar affiliated with?
Dr. Cellar practices at Good Samaritan Hospital in San Jose, California.
What medical group is Dr. John Bret Cellar part of?
Dr. Cellar is linked to G2 Anesthesia. Dmand AI links Dr. Cellar to 1 more medical group.
Does Dr. John Bret Cellar accept Medicare?
Yes. CMS data shows Dr. Cellar billed Medicare for 152 services in 2024, and Dr. Cellar accepts Medicare assignment.
How many Medicare patients does Dr. John Bret Cellar see?
CMS counts 258 Medicare patients who saw Dr. Cellar in 2024, with an average age of 75.
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Is Dr. John Bret Cellar board certified?
Yes. Dr. Cellar is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. John Bret Cellar bill to Medicare?
In 2024, Dr. Cellar's most billed Medicare services were anesthesia (00142), anesthesia (00811) and anesthesia (00145).
Where did Dr. John Bret Cellar go to medical school?
Dr. Cellar graduated from Baylor College Of Medicine in 1987.
Has Dr. John Bret Cellar received payments from drug or device companies?
CMS Open Payments shows $447 in general payments to Dr. Cellar from 4 companies from 2016 to 2025. The largest total came from Pacira Pharmaceuticals Incorporated.
How long has Dr. John Bret Cellar been practicing?
Dr. Cellar graduated from medical school in 1987, 39 years ago.
What insurance does Dr. John Bret Cellar accept?
Dr. Cellar is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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