Dr. John Y. Hsih, MD
- Medicare services, 2024
- 305
- Medicare patients, 2024
- 302
- MIPS score, 2024
- 83
- Hospital affiliations
- 1
- Industry payments
- $275
- Practice address
- 23 Upper Ragsdale Drive, Suite 100, Monterey, CA 93940
- Practice phone
- Call (831) 375-3577
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Monterey Bay Endoscopy Center
Surgery Center - Medicare-Certified · Monterey, California
Find Dr. Hsih's professional email, personal email and mobile number
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Dr. John Y. Hsih is an anesthesiologist in Monterey, California
Dr. Hsih practices at Monterey Bay Endoscopy Center in Monterey, California.
Dr. Hsih's NPI, 1326388026, was assigned on February 18, 2013. Dr. Hsih graduated from University of California, Davis School of Medicine in 2003. Dr. Hsih holds California license A120283.
- NPI
- 1326388026NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567779168
- NPI enumeration date
- February 18, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (831) 375-3577
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Y. Hsih practices at Monterey Bay Endoscopy Center in Monterey, California
Dr. Hsih's primary practice is Monterey Bay Endoscopy Center, at 23 Upper Ragsdale Drive, Suite 100, Monterey, CA 93940. The practice phone is (831) 375-3577.
- Monterey Bay Endoscopy Center23 Upper Ragsdale Drive, Suite 100, Monterey, CA 93940Phone(831) 375-3577
Source: Dmand AI Affiliation Data
Dr. John Y. Hsih is affiliated with 2 sites of care and 1 medical group
Dr. Hsih's primary practice is Monterey Bay Endoscopy Center in Monterey, California. Dr. Hsih is also affiliated with Community Hospital of the Monterey Peninsula. The medical group on file is Ventana Anesthesia Associates Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Y. Hsih's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hsih practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Monterey Bay Endoscopy Center | 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. John Y. Hsih is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Hsih's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Dr. Hsih's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- New York license
Anesthesiologists near Dr. Hsih
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. John Y. Hsih billed Medicare for 305 services in 2024
CMS data shows 305 Medicare services from Dr. Hsih across 13 procedure codes in 2024, for 302 Medicare patients. Medicare paid $38,269 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hsih's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 1792024: 1885%
- Surgery
- 2023: 1242024: 10019%
- Imaging
- 2023: 122024: 1742%
Dr. Hsih compared with the California median for anesthesiologists, 2024
- Dr. Hsih
- California median
- Medicare services
- 305vs 724.2 times
- Medicare patients
- 302vs 1432.1 times
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Hsih'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. Hsih and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Y. Hsih treated 302 Medicare patients in 2024, average age 75
CMS counts 302 Medicare patients who saw Dr. Hsih in 2024. The largest group is 65 to 74, with 144 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.33, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hsih's median patient age at 62, with 67% women.
Dr. Hsih's Medicare patients by age, 2024
Dr. Hsih's Medicare patients by sex, 2024
- Women16053%
- Men14247%
Chronic conditions among Dr. Hsih's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis54%
- Ischemic heart disease36%
- Diabetes31%
- Anxiety26%
- Atrial fibrillation25%
- Mood disorders24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hsih's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Y. Hsih scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Hsih for performance year 2024, reported as part of a group. Dr. Hsih accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Hsih's MIPS scores, performance year 2024
- 83of 100Final score
- 80of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. John Y. Hsih received $275 in industry payments from 2017 to 2025
CMS Open Payments shows 3 general payments to Dr. Hsih from 2 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $150.
General payments to Dr. Hsih by program year, 2017 to 2025
Companies that paid Dr. Hsih the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Y. Hsih graduated from University of California, Davis School of Medicine
Dr. Hsih graduated from University of California, Davis School of Medicine in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Y. Hsih'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)Clinician Public Reporting: Overall MIPS Performance (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 |
| 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. John Y. Hsih
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. John Y. Hsih's NPI number?
Dr. John Y. Hsih's NPI number is 1326388026. It was assigned on February 18, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. John Y. Hsih?
Dr. John Y. Hsih is an anesthesiologist in Monterey, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. John Y. Hsih practice?
Dr. Hsih practices at 23 Upper Ragsdale Drive, Suite 100, Monterey, CA 93940. Dr. Hsih's primary practice is Monterey Bay Endoscopy Center in Monterey, California.
What is Dr. John Y. Hsih's office phone number?
The practice phone on file for Dr. Hsih is (831) 375-3577.
What is Dr. John Y. Hsih's medical license number?
Dr. Hsih holds California license A120283, one of the licenses on file in 2 states.
Which states has Dr. John Y. Hsih been licensed in?
Dmand AI has state licenses on file for Dr. Hsih in California and New York.
Which hospitals is Dr. John Y. Hsih affiliated with?
Dr. Hsih is affiliated with Community Hospital of the Monterey Peninsula.
What medical group is Dr. John Y. Hsih part of?
Dr. Hsih is linked to Ventana Anesthesia Associates Inc.
Does Dr. John Y. Hsih accept Medicare?
Yes. CMS data shows Dr. Hsih billed Medicare for 305 services in 2024, and Dr. Hsih accepts Medicare assignment.
What is Dr. John Y. Hsih's MIPS score?
Dr. Hsih's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
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How many Medicare patients does Dr. John Y. Hsih see?
CMS counts 302 Medicare patients who saw Dr. Hsih in 2024, with an average age of 75.
What services does Dr. John Y. Hsih bill to Medicare?
In 2024, Dr. Hsih's most billed Medicare services were anesthesia (00142), surgery: brain, spine and nerves (62322) and anesthesia (00811).
Where did Dr. John Y. Hsih go to medical school?
Dr. Hsih graduated from University of California, Davis School of Medicine in 2003.
Has Dr. John Y. Hsih received payments from drug or device companies?
CMS Open Payments shows $275 in general payments to Dr. Hsih from 2 companies from 2017 to 2025. The largest total came from Abbvie Inc.
How long has Dr. John Y. Hsih been practicing?
Dr. Hsih graduated from medical school in 2003, 23 years ago.
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