Dr. Jonathan Michael Halford, MD
- Medicare services, 2023
- 35
- Medicare patients, 2024
- 13
- Industry payments
- $306
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 9455 Clairemont Mesa Blvd, San Diego, CA 92123
- Practice phone
- Call (619) 528-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente San Diego Medical Center
San Diego, California
Find Dr. Halford'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. Jonathan Michael Halford is an anesthesiologist in San Diego, California
Dr. Halford practices at Kaiser Permanente San Diego Medical Center in San Diego, California.
Dr. Halford's NPI, 1881857340, was assigned on July 4, 2008. Dr. Halford graduated from Renaissance School of Medicine at Stony Brook University in 2008. Dr. Halford's California license number on file is A110116.
- NPI
- 1881857340NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092971697
- NPI enumeration date
- July 4, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (619) 528-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan Michael Halford practices at Kaiser Permanente San Diego Medical Center in San Diego, California
Dr. Halford's primary practice is Kaiser Permanente San Diego Medical Center, at 9455 Clairemont Mesa Blvd, San Diego, CA 92123 in San Diego County. The practice phone is (619) 528-5000.
- Kaiser Permanente San Diego Medical Center9455 Clairemont Mesa Blvd, San Diego, CA 92123 · San Diego CountyPhone(619) 528-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jonathan Michael Halford is affiliated with 2 sites of care and 1 medical group
Dr. Halford's primary practice is Kaiser Permanente San Diego Medical Center in San Diego, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Halford to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jonathan Michael Halford's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Halford practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente San Diego Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan Michael Halford is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Halford's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Halford is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Halford's licenses on file in 2 states: California and Hawaii.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- Hawaii license
Anesthesiologists near Dr. Halford
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. Jonathan Michael Halford billed Medicare for 35 services in 2023
CMS data shows 35 Medicare services from Dr. Halford across 3 procedure codes in 2023, for 13 Medicare patients. Medicare paid $3,651 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Halford's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Anesthesia
- 2022: 152023: 2460%
- Surgery
- 2022: 132023: 1115%
- Imaging
- 2022: 172023: 0100%
Dr. Halford compared with the California median for anesthesiologists, 2023
- Dr. Halford
- California median
- Medicare services
- 35vs 7251% below
- Medicare patients
- 13vs 14391% below
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Halford's most billed Medicare procedure codes, 2023
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. Halford?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Halford and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan Michael Halford treated 13 Medicare patients in 2024, average age 76
CMS counts 13 Medicare patients who saw Dr. Halford in 2024. The largest group is under 65, with 0 patients. 75% of them have high cholesterol. Their average risk score is 1.37, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Halford's median patient age at 45, with 60% women.
Dr. Halford's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Halford's Medicare patients, 2024
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Halford's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women60%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Jonathan Michael Halford takes part in Medicare
Dr. Halford 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. Jonathan Michael Halford received $306 in industry payments from 2016 to 2021
CMS Open Payments shows 3 general payments to Dr. Halford from 3 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Mallinckrodt LLC paid the most, $125.
General payments to Dr. Halford by program year, 2016 to 2021
Companies that paid Dr. Halford 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. Jonathan Michael Halford graduated from Renaissance School of Medicine at Stony Brook University
Dr. Halford graduated from Renaissance School of Medicine at Stony Brook University in 2008.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Jonathan Michael Halford accepts plans from 1 insurance carrier
Dr. Halford 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. Halford accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Jonathan Michael Halford'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 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. Jonathan Michael Halford
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. Jonathan Michael Halford's NPI number?
Dr. Jonathan Michael Halford's NPI number is 1881857340. It was assigned on July 4, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan Michael Halford?
Dr. Jonathan Michael Halford is an anesthesiologist in San Diego, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Jonathan Michael Halford practice?
Dr. Halford practices at 9455 Clairemont Mesa Blvd, San Diego, CA 92123. Dr. Halford's primary practice is Kaiser Permanente San Diego Medical Center in San Diego, California. Dmand AI also links Dr. Halford to 1 group practice or clinic.
What is Dr. Jonathan Michael Halford's office phone number?
The practice phone on file for Dr. Halford is (619) 528-5000.
What is Dr. Jonathan Michael Halford's medical license number?
Dr. Halford's California license number on file is A110116, one of the licenses on file in 2 states.
Which states has Dr. Jonathan Michael Halford been licensed in?
Dmand AI has state licenses on file for Dr. Halford in California (2009 to 2025) and Hawaii (2008 to 2009).
What medical group is Dr. Jonathan Michael Halford part of?
Dr. Halford is linked to Southern California Permanente Medical Group.
Does Dr. Jonathan Michael Halford accept Medicare?
Yes. CMS data shows Dr. Halford billed Medicare for 35 services in 2023, and Dr. Halford accepts Medicare assignment.
How many Medicare patients does Dr. Jonathan Michael Halford see?
CMS counts 13 Medicare patients who saw Dr. Halford in 2024, with an average age of 76.
Is Dr. Jonathan Michael Halford board certified?
Yes. Dr. Halford is board certified in anesthesiology by the American Board of Anesthesiology.
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What services does Dr. Jonathan Michael Halford bill to Medicare?
In 2023, Dr. Halford's most billed Medicare services were anesthesia (00731), anesthesia (00811) and surgery: brain, spine and nerves (64447).
Where did Dr. Jonathan Michael Halford go to medical school?
Dr. Halford graduated from Renaissance School of Medicine at Stony Brook University in 2008.
Has Dr. Jonathan Michael Halford received payments from drug or device companies?
CMS Open Payments shows $306 in general payments to Dr. Halford from 3 companies from 2016 to 2021. The largest total came from Mallinckrodt LLC.
How long has Dr. Jonathan Michael Halford been practicing?
Dr. Halford graduated from medical school in 2008, 18 years ago.
What insurance does Dr. Jonathan Michael Halford accept?
Dr. Halford 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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