Dr. James L. Johnson, MD
- Medicare services, 2023
- 15
- Industry payments
- $144
- Affiliated sites
- 1
- Medical group
- 1
- Insurance carriers
- 2
- Practice address
- 3626 Ruffin Rd, San Diego, CA 92123-1810
- Practice phone
- Call (619) 565-9666
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Anesthesia Service Medical Group - San Diego (Ruffin Rd)
Surgical practice · San Diego, California
Find Dr. Johnson'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. James L. Johnson is an anesthesiologist in Encinitas, California
Dr. Johnson practices at Anesthesia Service Medical Group - San Diego (Ruffin Rd) in San Diego, California.
Dr. Johnson's NPI, 1649282161, was assigned on August 13, 2006. Dr. Johnson graduated from UC Irvine School of Medicine in 1993. Dr. Johnson holds California license G80987.
- NPI
- 1649282161NPI Registry (opens in a new tab)
- NPI enumeration date
- August 13, 2006
- NPI status
- Active
- Practice phone
- (619) 565-9666
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James L. Johnson practices in San Diego and Encinitas
Dr. Johnson's primary practice is Anesthesia Service Medical Group - San Diego (Ruffin Rd), at 3626 Ruffin Rd, San Diego, CA 92123-1810. The practice phone is (619) 565-9666. The NPI Registry lists Dr. Johnson's practice address as 354 Santa Fe Dr, Encinitas, CA 92024.
- Anesthesia Service Medical Group - San Diego (Ruffin Rd)Primary3626 Ruffin Rd, San Diego, CA 92123-1810Phone(619) 565-9666
- NPI Registry address354 Santa Fe Dr, Encinitas, CA 92024 · San Diego CountyPhone(858) 565-9666
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. James L. Johnson is affiliated with 1 site of care and 1 medical group
Dr. Johnson's primary practice is Anesthesia Service Medical Group - San Diego (Ruffin Rd) in San Diego, California. The medical group on file is Anesthesia Service Medical Group (ASMG).
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. James L. Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Anesthesia Service Medical Group - San Diego (Ruffin Rd) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James L. Johnson is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Johnson is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Johnson is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Johnson
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. James L. Johnson billed Medicare for 15 services in 2023
CMS data shows 15 Medicare services from Dr. Johnson across 1 procedure code in 2023. Medicare paid $3,080 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Johnson's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Anesthesia
- 2022: 162023: 156%
Dr. Johnson compared with the California median for anesthesiologists, 2023
- Dr. Johnson
- California median
- Medicare services
- 15vs 7279% below
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Johnson'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
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Dr. James L. Johnson received $144 in industry payments from 2016 to 2019
CMS Open Payments shows 5 general payments to Dr. Johnson from 3 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Chiesi USA, Inc. paid the most, $71.
General payments to Dr. Johnson by program year, 2016 to 2019
Companies that paid Dr. Johnson the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James L. Johnson graduated from UC Irvine School of Medicine
Dr. Johnson graduated from UC Irvine School of Medicine in 1993.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. James L. Johnson accepts plans from 2 insurance carriers
Dr. Johnson is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Massachusetts
- HCSC
Plan types Dr. Johnson accepts, by number of carriers
- Medicare2
- PPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. James L. Johnson'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 |
| 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. James L. Johnson
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. James L. Johnson's NPI number?
Dr. James L. Johnson's NPI number is 1649282161. It was assigned on August 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James L. Johnson?
Dr. James L. Johnson is an anesthesiologist in Encinitas, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. James L. Johnson practice?
Dr. Johnson practices at 3626 Ruffin Rd, San Diego, CA 92123-1810. Dr. Johnson also practices at 354 Santa Fe Dr, Encinitas, CA 92024. Dr. Johnson's primary practice is Anesthesia Service Medical Group - San Diego (Ruffin Rd) in San Diego, California.
What is Dr. James L. Johnson's office phone number?
The practice phone on file for Dr. Johnson is (619) 565-9666.
What is Dr. James L. Johnson's medical license number?
Dr. Johnson holds California license G80987.
What medical group is Dr. James L. Johnson part of?
Dr. Johnson is linked to Anesthesia Service Medical Group (ASMG).
Does Dr. James L. Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 15 services in 2023.
Is Dr. James L. Johnson board certified?
Yes. Dr. Johnson is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. James L. Johnson bill to Medicare?
In 2023, Dr. Johnson's most billed Medicare services were anesthesia (00520).
Where did Dr. James L. Johnson go to medical school?
Dr. Johnson graduated from UC Irvine School of Medicine in 1993.
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Has Dr. James L. Johnson received payments from drug or device companies?
CMS Open Payments shows $144 in general payments to Dr. Johnson from 3 companies from 2016 to 2019. The largest total came from Chiesi USA, Inc.
How long has Dr. James L. Johnson been practicing?
Dr. Johnson graduated from medical school in 1993, 33 years ago.
What insurance does Dr. James L. Johnson accept?
Dr. Johnson is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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