Dr. Brian P. Keefer, MD
- Medicare services, 2021
- 33
- Hospital affiliations
- 2
- Industry payments
- $42
- Medical groups
- 2
- Insurance carriers
- 1
- Practice address
- 360 Rush Dr, San Marcos, CA 92078
- Practice phone
- Call (760) 528-6295
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Keefer'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. Brian P. Keefer is an anesthesiologist in San Marcos, California
Dr. Keefer practices at Kaiser Permanente San Marcos Medical Center in San Marcos, California, part of Kaiser Permanente.
Dr. Keefer's NPI, 1467624908, was assigned on March 25, 2008. Dr. Keefer graduated from Medical College Of Wisconsin in 2004. Dr. Keefer's California license number on file is A93396.
- NPI
- 1467624908NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567540925
- NPI enumeration date
- March 25, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (760) 528-6295
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brian P. Keefer practices at Kaiser Permanente San Marcos Medical Center in San Marcos, California
Dr. Keefer's primary practice is Kaiser Permanente San Marcos Medical Center, at 360 Rush Dr, San Marcos, CA 92078 in San Diego County. The practice phone is (760) 528-6295.
- Kaiser Permanente San Marcos Medical Center360 Rush Dr, San Marcos, CA 92078 · San Diego CountyPhone(760) 528-6295
Source: Dmand AI Affiliation Data
Dr. Brian P. Keefer is affiliated with 2 sites of care and 2 medical groups
Dr. Keefer's primary practice is Kaiser Permanente San Marcos Medical Center in San Marcos, California, part of Kaiser Permanente. Dr. Keefer is also affiliated with Palomar Medical Center Downtown Escondido. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Keefer 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. Brian P. Keefer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Keefer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente San Marcos Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brian P. Keefer is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Keefer's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Keefer is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Keefer has a license on file in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Keefer
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. Brian P. Keefer billed Medicare for 33 services in 2021
CMS data shows 33 Medicare services from Dr. Keefer across 1 procedure code in 2021. Medicare paid $3,737 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Keefer's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Anesthesia
- 2020: 122021: 33175%
Dr. Keefer compared with the California median for anesthesiologists, 2021
- Dr. Keefer
- California median
- Medicare services
- 33vs 7254% below
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Keefer's most billed Medicare procedure codes, 2021
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. Keefer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Keefer and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brian P. Keefer's patients have a median age of 36
Across all payers, Dmand AI patient panel data puts Dr. Keefer's median patient age at 36, with 71% women.
Dr. Keefer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 36
Patient panel by sex, all payers
- Women71%
- Men29%
Source: Dmand AI Patient Panel Data
How Dr. Brian P. Keefer takes part in Medicare
Dr. Keefer 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. Brian P. Keefer received $42 in industry payments from 2016 to 2021
CMS Open Payments shows 3 general payments to Dr. Keefer from 3 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Pacira Pharmaceuticals Incorporated paid the most, $17.
General payments to Dr. Keefer by program year, 2016 to 2021
Companies that paid Dr. Keefer the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Brian P. Keefer graduated from Medical College Of Wisconsin
Dr. Keefer graduated from Medical College Of Wisconsin in 2004.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Brian P. Keefer accepts plans from 1 insurance carrier
Dr. Keefer is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Dr. Keefer accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Brian P. Keefer'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 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) |
| 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. Brian P. Keefer
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. Brian P. Keefer's NPI number?
Dr. Brian P. Keefer's NPI number is 1467624908. It was assigned on March 25, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian P. Keefer?
Dr. Brian P. Keefer is an anesthesiologist in San Marcos, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Brian P. Keefer practice?
Dr. Keefer practices at 360 Rush Dr, San Marcos, CA 92078. Dr. Keefer's primary practice is Kaiser Permanente San Marcos Medical Center in San Marcos, California, part of Kaiser Permanente. Dmand AI also links Dr. Keefer to 1 medical group.
What is Dr. Brian P. Keefer's office phone number?
The practice phone on file for Dr. Keefer is (760) 528-6295.
What is Dr. Brian P. Keefer's medical license number?
Dr. Keefer's California license number on file is A93396.
Which hospitals is Dr. Brian P. Keefer affiliated with?
Dr. Keefer practices at Kaiser Permanente San Marcos Medical Center in San Marcos, California. Dr. Keefer is also affiliated with Palomar Medical Center Downtown Escondido.
What medical group is Dr. Brian P. Keefer part of?
Dr. Keefer is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Keefer to 1 more medical group.
Does Dr. Brian P. Keefer accept Medicare?
Yes. CMS data shows Dr. Keefer billed Medicare for 33 services in 2021, and Dr. Keefer accepts Medicare assignment.
Is Dr. Brian P. Keefer board certified?
Yes. Dr. Keefer is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. Brian P. Keefer bill to Medicare?
In 2021, Dr. Keefer's most billed Medicare services were anesthesia (00142).
Show 4 more questionsShow fewer questions
Where did Dr. Brian P. Keefer go to medical school?
Dr. Keefer graduated from Medical College Of Wisconsin in 2004.
Has Dr. Brian P. Keefer received payments from drug or device companies?
CMS Open Payments shows $42 in general payments to Dr. Keefer from 3 companies from 2016 to 2021. The largest total came from Pacira Pharmaceuticals Incorporated.
How long has Dr. Brian P. Keefer been practicing?
Dr. Keefer graduated from medical school in 2004, 22 years ago.
What insurance does Dr. Brian P. Keefer accept?
Dr. Keefer is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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