Dr. Brian G. Ash, MD
- Medicare services, 2024
- 60
- Medicare patients, 2024
- 136
- Hospital affiliations
- 1
- Industry payments
- $57
- Medical group
- 1
- Practice address
- 2500 Grant Road, Mountain View, CA 94040
- Practice phone
- Call (650) 940-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ash's professional email, personal email and mobile number
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Dr. Brian G. Ash is an anesthesiologist in Mountain View, California
Dr. Ash practices at El Camino Health - Mountain View Hospital in Mountain View, California, part of El Camino Healthcare District.
Dr. Ash's NPI, 1962669531, was assigned on May 20, 2008. Dr. Ash graduated from Perelman School of Medicine - Philadelphia in 2006. Dr. Ash holds California license 103642.
- NPI
- 1962669531NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921286741
- NPI enumeration date
- May 20, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 940-7000
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brian G. Ash practices at El Camino Health - Mountain View Hospital in Mountain View, California
Dr. Ash's primary practice is El Camino Health - Mountain View Hospital, at 2500 Grant Road, Mountain View, CA 94040 in Santa Clara County. The practice phone is (650) 940-7000.
- El Camino Health - Mountain View Hospital2500 Grant Road, Mountain View, CA 94040 · Santa Clara CountyPhone(650) 940-7000
Source: Dmand AI Affiliation Data
Dr. Brian G. Ash is affiliated with 4 sites of care and 1 medical group
Dr. Ash's primary practice is El Camino Health - Mountain View Hospital in Mountain View, California, part of El Camino Healthcare District. The medical group on file is El Camino Health. Dmand AI also links Dr. Ash to 2 more hospital outpatient departments and 1 group practice or clinic, each 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 G. Ash's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ash practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| El Camino Health - Mountain View Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across El Camino Healthcare District and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Brian G. Ash is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Ash's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Ash is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Ash is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Ash
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 G. Ash billed Medicare for 60 services in 2024
CMS data shows 60 Medicare services from Dr. Ash across 3 procedure codes in 2024, for 136 Medicare patients. Medicare paid $9,333 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ash's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 122024: 33175%
- Office and hospital visits
- 2023: 292024: 277%
Dr. Ash compared with the California median for anesthesiologists, 2024
- Dr. Ash
- California median
- Medicare services
- 60vs 7217% below
- Medicare patients
- 136vs 143Close to median
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Ash'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. Ash?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ash and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brian G. Ash treated 136 Medicare patients in 2024, average age 76
CMS counts 136 Medicare patients who saw Dr. Ash in 2024. The largest group is 75 to 84, with 57 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.72, 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. Ash's median patient age at 65, with 56% women.
Dr. Ash's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ash's Medicare patients by sex, 2024
- Women6649%
- Men7051%
Chronic conditions among Dr. Ash's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Chronic kidney disease34%
- Diabetes34%
- Ischemic heart disease32%
- Atrial fibrillation31%
- Heart failure29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ash's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Brian G. Ash takes part in Medicare
Dr. Ash 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 G. Ash received $57 in industry payments from 2018 to 2025
CMS Open Payments shows 2 general payments to Dr. Ash from 2 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Becton, Dickinson and Company paid the most, $39.
General payments to Dr. Ash by program year, 2018 to 2025
Companies that paid Dr. Ash the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Brian G. Ash graduated from Perelman School of Medicine - Philadelphia
Dr. Ash graduated from Perelman School of Medicine - Philadelphia in 2006.
- Medical school
- Board certified in anesthesiology
- Board certified in critical care medicine
Source: Dmand AI Professional Profile Data
Dr. Brian G. Ash accepts plans from 1 insurance carrier
Dr. Ash 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. Brian G. Ash'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 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. Brian G. Ash
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 G. Ash's NPI number?
Dr. Brian G. Ash's NPI number is 1962669531. It was assigned on May 20, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian G. Ash?
Dr. Brian G. Ash is an anesthesiologist in Mountain View, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Brian G. Ash practice?
Dr. Ash practices at 2500 Grant Road, Mountain View, CA 94040. Dr. Ash's primary practice is El Camino Health - Mountain View Hospital in Mountain View, California, part of El Camino Healthcare District. Dmand AI also links Dr. Ash to 2 hospital outpatient departments and 1 group practice or clinic.
What is Dr. Brian G. Ash's office phone number?
The practice phone on file for Dr. Ash is (650) 940-7000.
What is Dr. Brian G. Ash's medical license number?
Dr. Ash holds California license 103642.
Which hospitals is Dr. Brian G. Ash affiliated with?
Dr. Ash practices at El Camino Health - Mountain View Hospital in Mountain View, California.
What medical group is Dr. Brian G. Ash part of?
Dr. Ash is linked to El Camino Health.
Does Dr. Brian G. Ash accept Medicare?
Yes. CMS data shows Dr. Ash billed Medicare for 60 services in 2024, and Dr. Ash accepts Medicare assignment.
How many Medicare patients does Dr. Brian G. Ash see?
CMS counts 136 Medicare patients who saw Dr. Ash in 2024, with an average age of 76.
Is Dr. Brian G. Ash board certified?
Yes. Dr. Ash is board certified in anesthesiology by the American Board of Anesthesiology.
Show 5 more questionsShow fewer questions
What services does Dr. Brian G. Ash bill to Medicare?
In 2024, Dr. Ash's most billed Medicare services were critical care (99291), anesthesia (00811) and anesthesia (00731).
Where did Dr. Brian G. Ash go to medical school?
Dr. Ash graduated from Perelman School of Medicine - Philadelphia in 2006.
Has Dr. Brian G. Ash received payments from drug or device companies?
CMS Open Payments shows $57 in general payments to Dr. Ash from 2 companies from 2018 to 2025. The largest total came from Becton, Dickinson and Company.
How long has Dr. Brian G. Ash been practicing?
Dr. Ash graduated from medical school in 2006, 20 years ago.
What insurance does Dr. Brian G. Ash accept?
Dr. Ash 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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