Dr. August Gene Voelkel, MD
- Hospital affiliations
- 2
- Industry payments
- $140
- Medical group
- 1
- Insurance carriers
- 3
- State licenses
- 2
- Practice address
- 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598
- Practice phone
- Call (925) 939-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Voelkel'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. August Gene Voelkel is a cardiologist in Walnut Creek, California
Dr. Voelkel practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health.
Dr. Voelkel's NPI, 1578565792, was assigned on June 1, 2005. Dr. Voelkel graduated from Indiana University School Of Medicine in 1973. Dr. Voelkel's California license number on file is C38051.
- NPI
- 1578565792NPI Registry (opens in a new tab)
- NPI enumeration date
- June 1, 2005
- NPI status
- Active
- Practice phone
- (925) 939-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. August Gene Voelkel practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California
Dr. Voelkel's primary practice is John Muir Medical Center, Walnut Creek, at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 in Contra Costa County. The practice phone is (925) 939-3000.
- John Muir Medical Center, Walnut Creek1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 · Contra Costa CountyPhone(925) 939-3000
Source: Dmand AI Affiliation Data
Dr. August Gene Voelkel is affiliated with 3 sites of care and 1 medical group
Dr. Voelkel's primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. Dmand AI also links Dr. Voelkel to 1 hospital, 1 group practice or clinic and 1 medical group, 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. August Gene Voelkel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Voelkel practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John Muir Medical Center, Walnut Creek | Available with a free account |
| +2 more sites and 1 medical group | 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 John Muir Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. August Gene Voelkel is one of 2,375 cardiologists in California
Cardiovascular disease is Dr. Voelkel's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Voelkel is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. Voelkel's licenses on file in 2 states: California and Indiana.
Specialties and state licenses
- Cardiovascular disease, CaliforniaPrimary
- Indiana license
Cardiologists near Dr. Voelkel
Counts of cardiologists 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. August Gene Voelkel's patients have a median age of 30
Across all payers, Dmand AI patient panel data puts Dr. Voelkel's median patient age at 30, with 100% women.
Dr. Voelkel's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 30
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. August Gene Voelkel received $140 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Voelkel from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. St. Jude Medical, Inc. paid the most, $140.
Companies that paid Dr. Voelkel the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. August Gene Voelkel graduated from Indiana University School Of Medicine
Dr. Voelkel graduated from Indiana University School Of Medicine in 1973.
- Medical school
- Board certified in cardiovascular disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. August Gene Voelkel accepts plans from 3 insurance carriers
Dr. Voelkel is in network with 3 carriers, including Blue Cross Blue Shield of Massachusetts, Elevance 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
- Elevance
- HCSC
Plan types Dr. Voelkel accepts, by number of carriers
- Medicare2
- PPO2
- HMO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. August Gene Voelkel'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. August Gene Voelkel
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. August Gene Voelkel's NPI number?
Dr. August Gene Voelkel's NPI number is 1578565792. It was assigned on June 1, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. August Gene Voelkel?
Dr. August Gene Voelkel is a cardiologist in Walnut Creek, California. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. August Gene Voelkel practice?
Dr. Voelkel practices at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598. Dr. Voelkel's primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. Dmand AI also links Dr. Voelkel to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Dr. August Gene Voelkel's office phone number?
The practice phone on file for Dr. Voelkel is (925) 939-3000.
What is Dr. August Gene Voelkel's medical license number?
Dr. Voelkel's California license number on file is C38051, one of the licenses on file in 2 states.
Which states has Dr. August Gene Voelkel been licensed in?
Dmand AI has state licenses on file for Dr. Voelkel in California (1978 to 2025) and Indiana (1973 to 2025).
Which hospitals is Dr. August Gene Voelkel affiliated with?
Dr. Voelkel practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California. Dmand AI links Dr. Voelkel to 1 more hospital.
Is Dr. August Gene Voelkel board certified?
Yes. Dr. Voelkel is board certified in cardiovascular disease by the American Board of Internal Medicine.
Where did Dr. August Gene Voelkel go to medical school?
Dr. Voelkel graduated from Indiana University School Of Medicine in 1973.
Has Dr. August Gene Voelkel received payments from drug or device companies?
CMS Open Payments shows $140 in general payments to Dr. Voelkel from 1 company from 2016 to 2016. The largest total came from St. Jude Medical, Inc.
How long has Dr. August Gene Voelkel been practicing?
Dr. Voelkel graduated from medical school in 1973, 53 years ago.
What insurance does Dr. August Gene Voelkel accept?
Dr. Voelkel is in network with 3 carriers, including Blue Cross Blue Shield of Massachusetts, Elevance and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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