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Dr. Christopher Bray Shaffer, MD
NPI1528094760PAC ID4789852922
- Medicare services, 2024
- 82
- Medicare patients, 2024
- 194
- Publications
- 2
- Hospital affiliations
- 4
- Industry payments
- $6,179
- Practice address
- 2250 Hayes St, San Francisco, CA 94117
- Practice phone
- Call (415) 221-7056
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The San Francisco Vein and Vascular Institute, LLC
San Francisco, California
Find Dr. Shaffer'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. Christopher Bray Shaffer is an anesthesiologist in San Francisco, California
Dr. Shaffer practices at The San Francisco Vein and Vascular Institute, LLC in San Francisco, California.
Dr. Shaffer's NPI, 1528094760, was assigned on June 22, 2006. Dr. Shaffer graduated from UMKC School of Medicine in 2006. Dr. Shaffer holds California license 115976.
NPI and contact details
- NPI
- 1528094760NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789852922
- NPI enumeration date
- June 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 221-7056
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher Bray Shaffer practices at The San Francisco Vein and Vascular Institute, LLC in San Francisco, California
Dr. Shaffer's primary practice is The San Francisco Vein and Vascular Institute, LLC, at 2250 Hayes St, San Francisco, CA 94117 in San Francisco County. The practice phone is (415) 221-7056.
- The San Francisco Vein and Vascular Institute, LLC2250 Hayes St, San Francisco, CA 94117 · San Francisco CountyPhone(415) 221-7056
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Christopher Bray Shaffer is affiliated with 5 sites of care and 1 medical group
Dr. Shaffer's primary practice is The San Francisco Vein and Vascular Institute, LLC in San Francisco, California. Dr. Shaffer is also affiliated with California Pacific Medical Center Van Ness Campus. The medical group on file is Anesthesia Care Associates Medical Group. Dmand AI also links Dr. Shaffer to 3 more hospitals, each named with a free account.
The San Francisco Vein and Vascular Institute, LLCPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christopher Bray Shaffer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shaffer practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The San Francisco Vein and Vascular Institute, LLC | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher Bray Shaffer is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Shaffer's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Shaffer is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Shaffer's licenses on file in 2 states: California and North Carolina.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- North Carolina license
Anesthesiologists near Dr. Shaffer
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. Christopher Bray Shaffer billed Medicare for 82 services in 2024
CMS data shows 82 Medicare services from Dr. Shaffer across 6 procedure codes in 2024, for 194 Medicare patients. Medicare paid $10,711 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202482
Medicare patients194
Paid by Medicare$10,711
Procedure codes6
Dr. Shaffer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 272024: 3737%
- Surgery
- 2023: 02024: 28
- Imaging
- 2023: 02024: 17
Dr. Shaffer compared with the California median for anesthesiologists, 2024
- Dr. Shaffer
- California median
- Medicare services
- 82vs 7214% above
- Medicare patients
- 194vs 14336% above
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Shaffer'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. Shaffer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Shaffer and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher Bray Shaffer treated 194 Medicare patients in 2024, average age 74
CMS counts 194 Medicare patients who saw Dr. Shaffer in 2024. The largest group is 65 to 74, with 84 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 24% are also on Medicaid. Their average risk score is 2.04, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Shaffer's median patient age at 58, with 50% women.
Medicare patients, 2024194
Average age74
Average risk score2.04
Also on Medicaid24%
Dr. Shaffer's Medicare patients by age, 2024
Dr. Shaffer's Medicare patients by sex, 2024
- Women10253%
- Men9247%
Chronic conditions among Dr. Shaffer's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis58%
- Chronic kidney disease31%
- Diabetes31%
- Ischemic heart disease27%
- Mood disorders25%
- Anxiety24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Shaffer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women50%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Christopher Bray Shaffer takes part in Medicare
Dr. Shaffer 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. Christopher Bray Shaffer has 2 publications on record
Dmand AI links 2 papers to Dr. Shaffer, published from 2010 to 2012. Dr. Shaffer's most frequent co-authors are Joseph Muenzer, MD and Marianne S. Muhlebach, MD.
Papers2
Years published2010 to 2012
Dr. Shaffer's most frequent co-authors
Recent publications by Dr. Shaffer
AmphetamineBehavior, AnimalCentral Nervous System Stimulants
See who Dr. Shaffer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Shaffer works with, so you can find a warm path to the right anesthesiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Christopher Bray Shaffer received $6,179 in industry payments from 2016 to 2024
CMS Open Payments shows 14 general payments to Dr. Shaffer from 6 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 48% of the total. Genentech, Inc. paid the most, $3,715.
General payments to Dr. Shaffer by program year, 2016 to 2024
General payments to Dr. Shaffer by kind, 2016 to 2024
$6.2Kin total
- Consulting fees$2,94048%
- Honoraria$2,00032%
- Food and beverage$79713%
- Travel and lodging$4427%
Companies that paid Dr. Shaffer the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Christopher Bray Shaffer graduated from UMKC School of Medicine
Dr. Shaffer graduated from UMKC School of Medicine in 2006.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Christopher Bray Shaffer accepts plans from 1 insurance carrier
Dr. Shaffer is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Christopher Bray Shaffer'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Christopher Bray Shaffer
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. Christopher Bray Shaffer's NPI number?
Dr. Christopher Bray Shaffer's NPI number is 1528094760. It was assigned on June 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher Bray Shaffer?
Dr. Christopher Bray Shaffer is an anesthesiologist in San Francisco, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Christopher Bray Shaffer practice?
Dr. Shaffer practices at 2250 Hayes St, San Francisco, CA 94117. Dr. Shaffer's primary practice is The San Francisco Vein and Vascular Institute, LLC in San Francisco, California. Dmand AI also links Dr. Shaffer to 3 hospitals.
What is Dr. Christopher Bray Shaffer's office phone number?
The practice phone on file for Dr. Shaffer is (415) 221-7056.
What is Dr. Christopher Bray Shaffer's medical license number?
Dr. Shaffer holds California license 115976, one of the licenses on file in 2 states.
Which states has Dr. Christopher Bray Shaffer been licensed in?
Dmand AI has state licenses on file for Dr. Shaffer in California (2011 to 2026) and North Carolina (2010 to 2011).
Which hospitals is Dr. Christopher Bray Shaffer affiliated with?
Dr. Shaffer is affiliated with California Pacific Medical Center Van Ness Campus. Dmand AI links Dr. Shaffer to 3 more hospitals.
What medical group is Dr. Christopher Bray Shaffer part of?
Dr. Shaffer is linked to Anesthesia Care Associates Medical Group.
Does Dr. Christopher Bray Shaffer accept Medicare?
Yes. CMS data shows Dr. Shaffer billed Medicare for 82 services in 2024, and Dr. Shaffer accepts Medicare assignment.
How many Medicare patients does Dr. Christopher Bray Shaffer see?
CMS counts 194 Medicare patients who saw Dr. Shaffer in 2024, with an average age of 74.
Show 8 more questionsShow fewer questions
Is Dr. Christopher Bray Shaffer board certified?
Yes. Dr. Shaffer is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. Christopher Bray Shaffer bill to Medicare?
In 2024, Dr. Shaffer's most billed Medicare services were ultrasound (76937), surgery: brain, spine and nerves (64447) and anesthesia (00731).
Where did Dr. Christopher Bray Shaffer go to medical school?
Dr. Shaffer graduated from UMKC School of Medicine in 2006.
Has Dr. Christopher Bray Shaffer received payments from drug or device companies?
CMS Open Payments shows $6,179 in general payments to Dr. Shaffer from 6 companies from 2016 to 2024. The largest total came from Genentech, Inc.
How long has Dr. Christopher Bray Shaffer been practicing?
Dr. Shaffer graduated from medical school in 2006, 20 years ago.
Does Dr. Christopher Bray Shaffer do research?
Dmand AI links 2 publications to Dr. Shaffer, published from 2010 to 2012.
Who does Dr. Christopher Bray Shaffer publish with?
Dr. Shaffer's most frequent co-authors are Joseph Muenzer, MD (1 shared paper) and Marianne S. Muhlebach, MD (1 shared paper).
What insurance does Dr. Christopher Bray Shaffer accept?
Dr. Shaffer is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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