Dr. Guy N. Chirman, MD
- Medicare services, 2024
- 64
- Medicare patients, 2024
- 174
- Industry payments
- $14
- Medical group
- 1
- Insurance carriers
- 2
- Practice address
- 1010 Murray Ave, San Luis Obispo, CA 93405
- Practice phone
- Call (805) 546-7600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sierra Vista Regional Medical Center
San Luis Obispo, California
Find Dr. Chirman's professional email, personal email and mobile number
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Dr. Guy N. Chirman is an anesthesiologist in San Luis Obispo, California
Dr. Chirman practices at Sierra Vista Regional Medical Center in San Luis Obispo, California.
Dr. Chirman's NPI, 1457347692, was assigned on September 22, 2005. Dr. Chirman graduated from Keck School of Medicine of USC in 1988. Dr. Chirman holds California license G68519.
- NPI
- 1457347692NPI Registry (opens in a new tab)
- NPI enumeration date
- September 22, 2005
- NPI status
- Active
- Practice phone
- (805) 546-7600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Guy N. Chirman practices at Sierra Vista Regional Medical Center in San Luis Obispo, California
Dr. Chirman's primary practice is Sierra Vista Regional Medical Center, at 1010 Murray Ave, San Luis Obispo, CA 93405 in San Luis Obispo County. The practice phone is (805) 546-7600.
- Sierra Vista Regional Medical Center1010 Murray Ave, San Luis Obispo, CA 93405 · San Luis Obispo CountyPhone(805) 546-7600
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Guy N. Chirman is affiliated with 1 site of care and 1 medical group
Dr. Chirman's primary practice is Sierra Vista Regional Medical Center in San Luis Obispo, California. The medical group on file is Coastal Anesthesiology Medical Associates.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Guy N. Chirman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chirman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sierra Vista Regional Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Guy N. Chirman is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Chirman's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Chirman is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Chirman is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Chirman
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. Guy N. Chirman billed Medicare for 64 services in 2024
CMS data shows 64 Medicare services from Dr. Chirman across 5 procedure codes in 2024, for 174 Medicare patients. Medicare paid $10,534 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chirman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 922024: 4155%
- Surgery
- 2023: 142024: 1214%
- Imaging
- 2023: 02024: 11
Dr. Chirman compared with the California median for anesthesiologists, 2024
- Dr. Chirman
- California median
- Medicare services
- 64vs 7211% below
- Medicare patients
- 174vs 14322% above
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Chirman'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chirman and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Guy N. Chirman treated 174 Medicare patients in 2024, average age 74
CMS counts 174 Medicare patients who saw Dr. Chirman in 2024. The largest group is 75 to 84, with 80 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.32, where 1.00 is the Medicare average.
Dr. Chirman's Medicare patients by age, 2024
Dr. Chirman's Medicare patients by sex, 2024
- Women8750%
- Men8750%
Chronic conditions among Dr. Chirman's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis62%
- Mood disorders28%
- Anxiety27%
- Ischemic heart disease26%
- Depression25%
- Diabetes25%
Share of Medicare patients with each condition. A patient can have several.
Source: Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
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Dr. Guy N. Chirman received $14 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Chirman from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Ambu Inc. paid the most, $14.
Companies that paid Dr. Chirman the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Guy N. Chirman graduated from Keck School of Medicine of USC
Dr. Chirman graduated from Keck School of Medicine of USC in 1988.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Guy N. Chirman accepts plans from 2 insurance carriers
Dr. Chirman is in network with 2 carriers, including Aetna and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Aetna
- CMS Medicare
Plan types Dr. Chirman accepts, by number of carriers
- Medicare2
- HMO1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Guy N. Chirman'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 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 | Medicare Physician & Other Practitioners - by Provider (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. Guy N. Chirman
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. Guy N. Chirman's NPI number?
Dr. Guy N. Chirman's NPI number is 1457347692. It was assigned on September 22, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Guy N. Chirman?
Dr. Guy N. Chirman is an anesthesiologist in San Luis Obispo, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Guy N. Chirman practice?
Dr. Chirman practices at 1010 Murray Ave, San Luis Obispo, CA 93405. Dr. Chirman's primary practice is Sierra Vista Regional Medical Center in San Luis Obispo, California.
What is Dr. Guy N. Chirman's office phone number?
The practice phone on file for Dr. Chirman is (805) 546-7600.
What is Dr. Guy N. Chirman's medical license number?
Dr. Chirman holds California license G68519.
What medical group is Dr. Guy N. Chirman part of?
Dr. Chirman is linked to Coastal Anesthesiology Medical Associates.
Does Dr. Guy N. Chirman accept Medicare?
Yes. CMS data shows Dr. Chirman billed Medicare for 64 services in 2024.
How many Medicare patients does Dr. Guy N. Chirman see?
CMS counts 174 Medicare patients who saw Dr. Chirman in 2024, with an average age of 74.
Is Dr. Guy N. Chirman board certified?
Yes. Dr. Chirman is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. Guy N. Chirman bill to Medicare?
In 2024, Dr. Chirman's most billed Medicare services were anesthesia (00670), anesthesia (00731) and anesthesia (00811).
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Where did Dr. Guy N. Chirman go to medical school?
Dr. Chirman graduated from Keck School of Medicine of USC in 1988.
Has Dr. Guy N. Chirman received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Dr. Chirman from 1 company from 2023 to 2023. The largest total came from Ambu Inc.
How long has Dr. Guy N. Chirman been practicing?
Dr. Chirman graduated from medical school in 1988, 38 years ago.
What insurance does Dr. Guy N. Chirman accept?
Dr. Chirman is in network with 2 carriers, including Aetna and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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