Dr. Michael Joseph Herrmann, MD
- Medicare services, 2023
- 13
- Medicare patients, 2024
- 64
- Hospital affiliations
- 2
- Industry payments
- $314
- Medical group
- 1
- Practice address
- 155 Glasson Way, Grass Valley, CA 95945
- Practice phone
- Call (530) 274-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Herrmann's professional email, personal email and mobile number
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Dr. Michael Joseph Herrmann is an anesthesiologist in Grass Valley, California
Dr. Herrmann practices at Dignity Health - Sierra Nevada Memorial Hospital in Grass Valley, California, part of CommonSpirit Health.
Dr. Herrmann's NPI, 1053327049, was assigned on July 31, 2006. Dr. Herrmann graduated from Jacobs School of Medicine and Biomedical Sciences in 1986. Dr. Herrmann holds California license G80684.
- NPI
- 1053327049NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264593284
- NPI enumeration date
- July 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (530) 274-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Joseph Herrmann practices at Dignity Health - Sierra Nevada Memorial Hospital in Grass Valley, California
Dr. Herrmann's primary practice is Dignity Health - Sierra Nevada Memorial Hospital, at 155 Glasson Way, Grass Valley, CA 95945 in Nevada County. The practice phone is (530) 274-6000.
- Dignity Health - Sierra Nevada Memorial Hospital155 Glasson Way, Grass Valley, CA 95945 · Nevada CountyPhone(530) 274-6000
Source: Dmand AI Affiliation Data
Dr. Michael Joseph Herrmann is affiliated with 2 sites of care and 1 medical group
Dr. Herrmann's primary practice is Dignity Health - Sierra Nevada Memorial Hospital in Grass Valley, California, part of CommonSpirit Health. Dr. Herrmann is also affiliated with Mercy Hospital of Folsom. The medical group on file is CEP America.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael Joseph Herrmann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Herrmann practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - Sierra Nevada Memorial Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Joseph Herrmann is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Herrmann's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Herrmann is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Herrmann's licenses on file in 2 states: California and Ohio.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- Ohio license
Anesthesiologists near Dr. Herrmann
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. Michael Joseph Herrmann billed Medicare for 13 services in 2023
CMS data shows 13 Medicare services from Dr. Herrmann across 1 procedure code in 2023, for 64 Medicare patients. Medicare paid $1,376 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Herrmann's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Anesthesia
- 2022: 492023: 1373%
- Imaging
- 2022: 172023: 0100%
- Surgery
- 2022: 112023: 0100%
Dr. Herrmann compared with the California median for anesthesiologists, 2023
- Dr. Herrmann
- California median
- Medicare services
- 13vs 7282% below
- Medicare patients
- 64vs 14355% below
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Herrmann'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.
Need commercial claims for Dr. Herrmann?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Herrmann and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Joseph Herrmann treated 64 Medicare patients in 2024, average age 74
CMS counts 64 Medicare patients who saw Dr. Herrmann in 2024. The largest group is 65 to 74, with 32 patients. 70% of them have arthritis, and 69% have high cholesterol. Their average risk score is 1.14, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Herrmann's median patient age at 50, with 66% women.
Dr. Herrmann's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Herrmann's Medicare patients by sex, 2024
- Women4063%
- Men2438%
Chronic conditions among Dr. Herrmann's Medicare patients, 2024
- Arthritis70%
- High cholesterol69%
- High blood pressure67%
- Anxiety31%
- Ischemic heart disease27%
- Mood disorders25%
- Depression23%
- Diabetes23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Herrmann's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women66%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Michael Joseph Herrmann takes part in Medicare
Dr. Herrmann 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. Michael Joseph Herrmann received $314 in industry payments from 2016 to 2018
CMS Open Payments shows 19 general payments to Dr. Herrmann from 11 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Valeant Pharmaceuticals International paid the most, $127.
General payments to Dr. Herrmann by program year, 2016 to 2018
Companies that paid Dr. Herrmann the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Joseph Herrmann graduated from Jacobs School of Medicine and Biomedical Sciences
Dr. Herrmann graduated from Jacobs School of Medicine and Biomedical Sciences in 1986.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Michael Joseph Herrmann accepts plans from 1 insurance carrier
Dr. Herrmann 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. Michael Joseph Herrmann'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. Michael Joseph Herrmann
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. Michael Joseph Herrmann's NPI number?
Dr. Michael Joseph Herrmann's NPI number is 1053327049. It was assigned on July 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Joseph Herrmann?
Dr. Michael Joseph Herrmann is an anesthesiologist in Grass Valley, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Michael Joseph Herrmann practice?
Dr. Herrmann practices at 155 Glasson Way, Grass Valley, CA 95945. Dr. Herrmann's primary practice is Dignity Health - Sierra Nevada Memorial Hospital in Grass Valley, California, part of CommonSpirit Health.
What is Dr. Michael Joseph Herrmann's office phone number?
The practice phone on file for Dr. Herrmann is (530) 274-6000.
What is Dr. Michael Joseph Herrmann's medical license number?
Dr. Herrmann holds California license G80684, one of the licenses on file in 2 states.
Which states has Dr. Michael Joseph Herrmann been licensed in?
Dmand AI has state licenses on file for Dr. Herrmann in California (1995 to 2027) and Ohio (1987 to 2018).
Which hospitals is Dr. Michael Joseph Herrmann affiliated with?
Dr. Herrmann practices at Dignity Health - Sierra Nevada Memorial Hospital in Grass Valley, California. Dr. Herrmann is also affiliated with Mercy Hospital of Folsom.
What medical group is Dr. Michael Joseph Herrmann part of?
Dr. Herrmann is linked to CEP America.
Does Dr. Michael Joseph Herrmann accept Medicare?
Yes. CMS data shows Dr. Herrmann billed Medicare for 13 services in 2023, and Dr. Herrmann accepts Medicare assignment.
How many Medicare patients does Dr. Michael Joseph Herrmann see?
CMS counts 64 Medicare patients who saw Dr. Herrmann in 2024, with an average age of 74.
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Is Dr. Michael Joseph Herrmann board certified?
Yes. Dr. Herrmann is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. Michael Joseph Herrmann bill to Medicare?
In 2023, Dr. Herrmann's most billed Medicare services were anesthesia (00731).
Where did Dr. Michael Joseph Herrmann go to medical school?
Dr. Herrmann graduated from Jacobs School of Medicine and Biomedical Sciences in 1986.
Has Dr. Michael Joseph Herrmann received payments from drug or device companies?
CMS Open Payments shows $314 in general payments to Dr. Herrmann from 11 companies from 2016 to 2018. The largest total came from Valeant Pharmaceuticals International.
How long has Dr. Michael Joseph Herrmann been practicing?
Dr. Herrmann graduated from medical school in 1986, 40 years ago.
What insurance does Dr. Michael Joseph Herrmann accept?
Dr. Herrmann 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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