Dr. Amos S. Yang, MD
- Medicare services, 2023
- 76
- Medicare patients, 2024
- 30
- Part D claims, 2024
- 101
- Industry payments
- $744
- Affiliated sites
- 1
- Practice address
- 39350 Civic Center Drive, Suite 100, Fremont, CA 94538
- Practice phone
- Call (510) 456-4600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fremont Surgery Center
Surgery Center - Medicare-Certified · Fremont, California
Find Dr. Yang'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. Amos S. Yang is an anesthesiologist in Fremont, California
Dr. Yang practices at Fremont Surgery Center in Fremont, California.
Dr. Yang's NPI, 1255523007, was assigned on August 15, 2007. Dr. Yang graduated from Feinberg School of Medicine in 2005. Dr. Yang holds California license A97982.
- NPI
- 1255523007NPI Registry (opens in a new tab)
- NPI enumeration date
- August 15, 2007
- NPI status
- Active
- Practice phone
- (510) 456-4600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Amos S. Yang practices at Fremont Surgery Center in Fremont, California
Dr. Yang's primary practice is Fremont Surgery Center, at 39350 Civic Center Drive, Suite 100, Fremont, CA 94538. The practice phone is (510) 456-4600.
- Fremont Surgery Center39350 Civic Center Drive, Suite 100, Fremont, CA 94538Phone(510) 456-4600
Source: Dmand AI Affiliation Data
Dr. Amos S. Yang is affiliated with 1 site of care and 1 medical group
Dr. Yang's primary practice is Fremont Surgery Center in Fremont, California. The medical group on file is CEP America. Dr. Yang's employer is on file too: a surgery center (asc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Amos S. Yang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fremont Surgery Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Amos S. Yang is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Yang's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Yang is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Yang is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Yang
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. Amos S. Yang billed Medicare for 76 services in 2023
CMS data shows 76 Medicare services from Dr. Yang across 5 procedure codes in 2023, for 30 Medicare patients. Medicare paid $7,609 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Yang's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Imaging
- 2022: 362023: 2725%
- Anesthesia
- 2022: 292023: 2514%
- Surgery
- 2022: 312023: 2423%
Dr. Yang compared with the California median for anesthesiologists, 2023
- Dr. Yang
- California median
- Medicare services
- 76vs 726% above
- Medicare patients
- 30vs 14379% below
- Part D claims
- 98vs 234.3 times
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Yang'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Yang and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Amos S. Yang treated 30 Medicare patients in 2024, average age 70
CMS counts 30 Medicare patients who saw Dr. Yang in 2024. 63% of them have high blood pressure, and 63% have high cholesterol. Their average risk score is 0.72, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Yang's median patient age at 52, with 35% women.
Dr. Yang's Medicare patients by sex, 2024
- Women1653%
- Men1447%
Chronic conditions among Dr. Yang's Medicare patients, 2024
- High blood pressure63%
- High cholesterol63%
- Arthritis57%
Share of Medicare patients with each condition. A patient can have several.
Dr. Yang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women35%
- Men64%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Amos S. Yang wrote 101 Medicare Part D claims in 2024
In 2024, Dr. Yang wrote 101 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 98 of them, across 8 drugs with 11 or more claims each, at $1,770 in total drug cost. In 2023, CMS named 97 claims across 8 drugs.
Dr. Yang's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 972024: 981%
Drugs named by CMS: 8 in 2024, 8 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Amos S. Yang received $744 in industry payments from 2016 to 2022
CMS Open Payments shows 9 general payments to Dr. Yang from 5 drug and device companies from 2016 to 2022. Travel and lodging make up the largest share, 44% of the total. Halyard Health, Inc. paid the most, $331.
General payments to Dr. Yang by program year, 2016 to 2022
General payments to Dr. Yang by kind, 2016 to 2022
- Travel and lodging$33144%
- Food and beverage$31342%
- Consulting fees$10013%
Companies that paid Dr. Yang the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Amos S. Yang graduated from Feinberg School of Medicine
Dr. Yang graduated from Feinberg School of Medicine in 2005.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Sources for Dr. Amos S. Yang'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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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 |
| 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. Amos S. Yang
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. Amos S. Yang's NPI number?
Dr. Amos S. Yang's NPI number is 1255523007. It was assigned on August 15, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Amos S. Yang?
Dr. Amos S. Yang is an anesthesiologist in Fremont, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Amos S. Yang practice?
Dr. Yang practices at 39350 Civic Center Drive, Suite 100, Fremont, CA 94538. Dr. Yang's primary practice is Fremont Surgery Center in Fremont, California.
What is Dr. Amos S. Yang's office phone number?
The practice phone on file for Dr. Yang is (510) 456-4600.
What is Dr. Amos S. Yang's medical license number?
Dr. Yang holds California license A97982.
What medical group is Dr. Amos S. Yang part of?
Dr. Yang is linked to CEP America.
Does Dr. Amos S. Yang accept Medicare?
Yes. CMS data shows Dr. Yang billed Medicare for 76 services in 2023.
How many Medicare patients does Dr. Amos S. Yang see?
CMS counts 30 Medicare patients who saw Dr. Yang in 2024, with an average age of 70.
Is Dr. Amos S. Yang board certified?
Yes. Dr. Yang is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. Amos S. Yang bill to Medicare?
In 2023, Dr. Yang's most billed Medicare services were ultrasound (76942), anesthesia (01400) and anesthesia (01638).
Show 4 more questionsShow fewer questions
Where did Dr. Amos S. Yang go to medical school?
Dr. Yang graduated from Feinberg School of Medicine in 2005.
What drugs does Dr. Amos S. Yang prescribe most?
In 2024 Medicare Part D data, Dr. Yang's most prescribed drugs by claims were Montelukast Sodium, Amlodipine Besylate and Atorvastatin Calcium.
Has Dr. Amos S. Yang received payments from drug or device companies?
CMS Open Payments shows $744 in general payments to Dr. Yang from 5 companies from 2016 to 2022. The largest total came from Halyard Health, Inc.
How long has Dr. Amos S. Yang been practicing?
Dr. Yang graduated from medical school in 2005, 21 years ago.
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