Dr. David Howard Irwin, MD
- Medicare services, 2019
- 12
- Industry payments
- $135
- Affiliated sites
- 2
- Medical groups
- 2
- Insurance carriers
- 5
- Practice address
- 3700 California St, San Francisco, CA 94118-1618
- Practice phone
- Call (415) 719-0000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northern California Anesthesia Physicians, Inc.
Surgical practice · San Francisco, California
Find Dr. Irwin'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. David Howard Irwin is an anesthesiologist in Sacramento, California
Dr. Irwin practices at Northern California Anesthesia Physicians, Inc. in San Francisco, California.
Dr. Irwin's NPI, 1003856097, was assigned on June 7, 2006. Dr. Irwin graduated from UCSF School of Medicine in 1982. Dr. Irwin holds California license G50717.
- NPI
- 1003856097NPI Registry (opens in a new tab)
- NPI enumeration date
- June 7, 2006
- NPI status
- Active
- Practice phone
- (415) 719-0000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Howard Irwin practices in San Francisco and Sacramento
Dr. Irwin's primary practice is Northern California Anesthesia Physicians, Inc., at 3700 California St, San Francisco, CA 94118-1618. The practice phone is (415) 719-0000. The NPI Registry lists Dr. Irwin's practice address as 2825 Capitol Ave, Sacramento, CA 95816.
- Northern California Anesthesia Physicians, Inc.Primary3700 California St, San Francisco, CA 94118-1618Phone(415) 719-0000
- NPI Registry address2825 Capitol Ave, Sacramento, CA 95816 · Sacramento CountyPhone(415) 719-0000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. David Howard Irwin is affiliated with 2 sites of care and 2 medical groups
Dr. Irwin's primary practice is Northern California Anesthesia Physicians, Inc. in San Francisco, California. The medical group on file is Anesthesia Care Associates Medical Group. Dmand AI also links Dr. Irwin to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. David Howard Irwin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Irwin practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northern California Anesthesia Physicians, Inc. | 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. David Howard Irwin is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Irwin's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Irwin is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Irwin's licenses on file in 2 states: California and Arizona.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- Arizona license
Anesthesiologists near Dr. Irwin
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. David Howard Irwin billed Medicare for 12 services in 2019
CMS data shows 12 Medicare services from Dr. Irwin across 1 procedure code in 2019. Medicare paid $1,746 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Irwin's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Anesthesia
- 2018: 342019: 1265%
- Imaging
- 2018: 202019: 0100%
- Surgery
- 2018: 172019: 0100%
Dr. Irwin compared with the California median for anesthesiologists, 2019
- Dr. Irwin
- California median
- Medicare services
- 12vs 7283% below
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Irwin's most billed Medicare procedure codes, 2019
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Irwin and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
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Dr. David Howard Irwin received $135 in industry payments from 2016 to 2017
CMS Open Payments shows 3 general payments to Dr. Irwin from 3 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Terumo Medical Corporation paid the most, $79. It also lists 1 research payment totaling $5,754 in 2023.
General payments to Dr. Irwin by program year, 2016 to 2017
Companies that paid Dr. Irwin the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Howard Irwin graduated from UCSF School of Medicine
Dr. Irwin graduated from UCSF School of Medicine in 1982.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. David Howard Irwin accepts plans from 5 insurance carriers
Dr. Irwin is in network with 5 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
- Elevance
- HCSC
Plan types Dr. Irwin accepts, by number of carriers
- PPO3
- POS2
- EPO1
- HMO1
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. David Howard Irwin'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. David Howard Irwin
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. David Howard Irwin's NPI number?
Dr. David Howard Irwin's NPI number is 1003856097. It was assigned on June 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David Howard Irwin?
Dr. David Howard Irwin is an anesthesiologist in Sacramento, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. David Howard Irwin practice?
Dr. Irwin practices at 3700 California St, San Francisco, CA 94118-1618. Dr. Irwin also practices at 2825 Capitol Ave, Sacramento, CA 95816. Dr. Irwin's primary practice is Northern California Anesthesia Physicians, Inc. in San Francisco, California. Dmand AI also links Dr. Irwin to 1 group practice or clinic and 1 medical group.
What is Dr. David Howard Irwin's office phone number?
The practice phone on file for Dr. Irwin is (415) 719-0000.
What is Dr. David Howard Irwin's medical license number?
Dr. Irwin holds California license G50717, one of the licenses on file in 2 states.
Which states has Dr. David Howard Irwin been licensed in?
Dmand AI has state licenses on file for Dr. Irwin in California (1983 to 2026) and Arizona (1995 to 2010).
What medical group is Dr. David Howard Irwin part of?
Dr. Irwin is linked to Anesthesia Care Associates Medical Group. Dmand AI links Dr. Irwin to 1 more medical group.
Does Dr. David Howard Irwin accept Medicare?
Yes. CMS data shows Dr. Irwin billed Medicare for 12 services in 2019.
Is Dr. David Howard Irwin board certified?
Yes. Dr. Irwin is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. David Howard Irwin bill to Medicare?
In 2019, Dr. Irwin's most billed Medicare services were anesthesia (00731).
Show 4 more questionsShow fewer questions
Where did Dr. David Howard Irwin go to medical school?
Dr. Irwin graduated from UCSF School of Medicine in 1982.
Has Dr. David Howard Irwin received payments from drug or device companies?
CMS Open Payments shows $135 in general payments to Dr. Irwin from 3 companies from 2016 to 2017. The largest total came from Terumo Medical Corporation.
How long has Dr. David Howard Irwin been practicing?
Dr. Irwin graduated from medical school in 1982, 44 years ago.
What insurance does Dr. David Howard Irwin accept?
Dr. Irwin is in network with 5 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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