Dr. Shayna Su-Yi Adams, MD
- Medicare services, 2024
- 1,149
- Medicare patients, 2024
- 785
- Part D claims, 2024
- 384
- MIPS score, 2024
- 97
- Hospital affiliations
- 4
- 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. Adams' 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. Shayna Su-Yi Adams is an emergency medicine physician in Walnut Creek, California
Dr. Adams practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health.
Dr. Adams' NPI, 1578060380, was assigned on April 9, 2018. Dr. Adams holds California license A173824.
- NPI
- 1578060380NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305193129
- NPI enumeration date
- April 9, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (925) 939-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Shayna Su-Yi Adams practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California
Dr. Adams' 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. Shayna Su-Yi Adams is affiliated with 4 sites of care and 2 medical groups
Dr. Adams' primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. Dr. Adams is also affiliated with Concord Medical Center. The medical group on file is Vituity. Dmand AI also links Dr. Adams to 2 more hospitals 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. Shayna Su-Yi Adams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Adams practices, 4 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 |
| +3 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. Shayna Su-Yi Adams is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Adams' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Adams' licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- Illinois license
Emergency medicine physicians near Dr. Adams
Counts of emergency medicine physicians 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. Shayna Su-Yi Adams billed Medicare for 1,149 services in 2024
CMS data shows 1,149 Medicare services from Dr. Adams across 7 procedure codes in 2024, for 785 Medicare patients. Medicare paid $133,341 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Adams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7682024: 86613%
- Tests and treatments
- 2023: 2562024: 2726%
- Surgery
- 2023: 02024: 11
Dr. Adams compared with the California median for emergency medicine physicians, 2024
- Dr. Adams
- California median
- Medicare services
- 1,149vs 2654.3 times
- Medicare patients
- 785vs 2433.2 times
- Part D claims
- 231vs 623.7 times
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Adams' 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Shayna Su-Yi Adams treated 785 Medicare patients in 2024, average age 75
CMS counts 785 Medicare patients who saw Dr. Adams in 2024. The largest group is 75 to 84, with 252 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 46% are also on Medicaid. Their average risk score is 2.35, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Adams' median patient age at 42, with 55% women.
Dr. Adams' Medicare patients by age, 2024
Dr. Adams' Medicare patients by sex, 2024
- Women44657%
- Men33943%
Chronic conditions among Dr. Adams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Chronic kidney disease44%
- Mood disorders42%
- Diabetes41%
- Anxiety38%
- Ischemic heart disease37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Adams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Shayna Su-Yi Adams wrote 384 Medicare Part D claims in 2024
In 2024, Dr. Adams wrote 384 Medicare Part D claims for 244 patients. 95% of them were for generic drugs. CMS names the drug for 231 of them, across 11 drugs with 11 or more claims each, at $1,282 in total drug cost. In 2023, CMS named 184 claims across 8 drugs.
Dr. Adams' Part D claims by kind of drug, 2024
- Generic366 claims95%
- Brand-name and other18 claims5%
Dr. Adams' 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.
Drug classes CMS tracks in Dr. Adams' Part D claims, 2024
- Opioids6%23 of 384 claims
- Antibiotics30%116 of 384 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1842024: 23126%
Drugs named by CMS: 11 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
Dr. Shayna Su-Yi Adams scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Adams for performance year 2024, reported as part of a group. Dr. Adams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Adams' MIPS scores, performance year 2024
- 97of 100Final score
- 90of 100Quality
- 40of 100Improvement Activities
- 78of 100Cost
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. Shayna Su-Yi Adams received $1,792 in industry payments in 2021
CMS Open Payments shows 1 general payment to Dr. Adams from 1 drug or device company in 2021. Consulting fees make up the largest share, 100% of the total. GE Healthcare paid the most, $1,792.
Companies that paid Dr. Adams the most, 2021 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Shayna Su-Yi Adams'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) |
| 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) |
| 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. Shayna Su-Yi Adams
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. Shayna Su-Yi Adams' NPI number?
Dr. Shayna Su-Yi Adams' NPI number is 1578060380. It was assigned on April 9, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Shayna Su-Yi Adams?
Dr. Shayna Su-Yi Adams is an emergency medicine physician in Walnut Creek, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Shayna Su-Yi Adams practice?
Dr. Adams practices at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598. Dr. Adams' primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. Dmand AI also links Dr. Adams to 2 hospitals and 1 medical group.
What is Dr. Shayna Su-Yi Adams' office phone number?
The practice phone on file for Dr. Adams is (925) 939-3000.
What is Dr. Shayna Su-Yi Adams' medical license number?
Dr. Adams holds California license A173824, one of the licenses on file in 2 states.
Which states has Dr. Shayna Su-Yi Adams been licensed in?
Dmand AI has state licenses on file for Dr. Adams in California and Illinois.
Which hospitals is Dr. Shayna Su-Yi Adams affiliated with?
Dr. Adams practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California. Dr. Adams is also affiliated with Concord Medical Center. Dmand AI links Dr. Adams to 2 more hospitals.
What medical group is Dr. Shayna Su-Yi Adams part of?
Dr. Adams is linked to Vituity. Dmand AI links Dr. Adams to 1 more medical group.
Does Dr. Shayna Su-Yi Adams accept Medicare?
Yes. CMS data shows Dr. Adams billed Medicare for 1,149 services in 2024, and Dr. Adams accepts Medicare assignment.
What is Dr. Shayna Su-Yi Adams' MIPS score?
Dr. Adams' MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Shayna Su-Yi Adams see?
CMS counts 785 Medicare patients who saw Dr. Adams in 2024, with an average age of 75.
What services does Dr. Shayna Su-Yi Adams bill to Medicare?
In 2024, Dr. Adams' most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and critical care (99291).
What drugs does Dr. Shayna Su-Yi Adams prescribe most?
In 2024 Medicare Part D data, Dr. Adams' most prescribed drugs by claims were Cephalexin, Prednisone and Ibuprofen.
Has Dr. Shayna Su-Yi Adams received payments from drug or device companies?
CMS Open Payments shows $1,792 in general payments to Dr. Adams from 1 company from 2021 to 2021. The largest total came from GE Healthcare.
How long has Dr. Shayna Su-Yi Adams been practicing?
Dr. Adams graduated from medical school in 2018, 8 years ago.
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