Summer Ziegler
- Medicare services, 2024
- 11
- Medicare patients, 2024
- 36
- Part D claims, 2024
- 92
- MIPS score, 2024
- 98
- Hospital affiliations
- 3
- Practice address
- 751 South Bascom Avenue, San Jose, CA 95128
- Practice phone
- Call (408) 885-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Summer Ziegler is a physician assistant in San Jose, California
Summer Ziegler practices at Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA.
Summer Ziegler's NPI, 1285223297, was assigned on January 14, 2021.
- NPI
- 1285223297NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789089913
- NPI enumeration date
- January 14, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 885-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Summer Ziegler practices at Santa Clara Valley Medical Center in San Jose, California
Summer Ziegler's primary practice is Santa Clara Valley Medical Center, at 751 South Bascom Avenue, San Jose, CA 95128 in Santa Clara County. The practice phone is (408) 885-5000.
- Santa Clara Valley Medical Center751 South Bascom Avenue, San Jose, CA 95128 · Santa Clara CountyPhone(408) 885-5000
Source: Dmand AI Affiliation Data
Summer Ziegler is affiliated with 4 sites of care and 7 medical groups
Summer Ziegler's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. Summer Ziegler is also affiliated with Alameda Health System - Highland Hospital. The medical group on file is Stanford Health Care. Dmand AI also links Summer Ziegler to 1 more hospital, 6 medical groups and 1 community health center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Summer Ziegler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Summer Ziegler practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Clara Valley Medical Center | Available with a free account |
| +3 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Summer Ziegler is one of 11,482 physician assistants in California
Physician assistant is Summer Ziegler's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Summer Ziegler
Counts of physician assistants 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
Summer Ziegler billed Medicare for 11 services in 2024
CMS data shows 11 Medicare services from Summer Ziegler across 1 procedure code in 2024, for 36 Medicare patients. Medicare paid $778 for them. Every service was in a facility, such as a hospital, rather than an office.
Summer Ziegler compared with the California median for physician assistants, 2024
- Summer Ziegler
- California median
- Medicare services
- 11vs 20495% below
- Medicare patients
- 36vs 10566% below
- Part D claims
- 15vs 24394% below
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
Summer Ziegler'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Summer Ziegler treated 36 Medicare patients in 2024, average age 66
CMS counts 36 Medicare patients who saw Summer Ziegler in 2024. The largest group is 65 to 74, with 20 patients. 75% of them have high blood pressure, and 53% have high cholesterol. Their average risk score is 2.13, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Summer Ziegler's median patient age at 40, with 58% women.
Summer Ziegler's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Summer Ziegler's Medicare patients by sex, 2024
- Women1953%
- Men1747%
Chronic conditions among Summer Ziegler's Medicare patients, 2024
- High blood pressure75%
- High cholesterol53%
- Anxiety44%
- Mood disorders39%
- Diabetes36%
- Chronic kidney disease31%
- Depression31%
Share of Medicare patients with each condition. A patient can have several.
Summer Ziegler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Summer Ziegler wrote 92 Medicare Part D claims in 2024
In 2024, Summer Ziegler wrote 92 Medicare Part D claims for 64 patients. 91% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $55 in total drug cost.
Summer Ziegler's Part D claims by kind of drug, 2024
- Generic84 claims91%
- Brand-name and other8 claims9%
Summer Ziegler'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.
Drug classes CMS tracks in Summer Ziegler's Part D claims, 2024
- Antibiotics30%28 of 92 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Summer Ziegler scored 98 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Summer Ziegler for performance year 2024, reported as part of a group. Summer Ziegler accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Summer Ziegler's MIPS scores, performance year 2024
- 98of 100Final score
- 87.4of 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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Sources for Summer Ziegler'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) |
| 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 Summer Ziegler
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What is Summer Ziegler's NPI number?
Summer Ziegler's NPI number is 1285223297. It was assigned on January 14, 2021, and it is active in the NPI Registry.
What does Summer Ziegler specialize in?
Summer Ziegler is a physician assistant in San Jose, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Summer Ziegler practice?
Summer Ziegler practices at 751 South Bascom Avenue, San Jose, CA 95128. Summer Ziegler's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. Dmand AI also links Summer Ziegler to 1 hospital, 6 medical groups and 1 community health center.
What is Summer Ziegler's office phone number?
The practice phone on file for Summer Ziegler is (408) 885-5000.
Which hospitals is Summer Ziegler affiliated with?
Summer Ziegler practices at Santa Clara Valley Medical Center in San Jose, California. Summer Ziegler is also affiliated with Alameda Health System - Highland Hospital. Dmand AI links Summer Ziegler to 1 more hospital.
What medical group is Summer Ziegler part of?
Summer Ziegler is linked to Stanford Health Care. Dmand AI links Summer Ziegler to 6 more medical groups.
Does Summer Ziegler accept Medicare?
Yes. CMS data shows Summer Ziegler billed Medicare for 11 services in 2024, and Summer Ziegler accepts Medicare assignment.
What is Summer Ziegler's MIPS score?
Summer Ziegler's MIPS final score for performance year 2024 is 98 out of 100, reported as part of a group.
How many Medicare patients does Summer Ziegler see?
CMS counts 36 Medicare patients who saw Summer Ziegler in 2024, with an average age of 66.
What services does Summer Ziegler bill to Medicare?
In 2024, Summer Ziegler's most billed Medicare services were emergency department visit (99284).
What drugs does Summer Ziegler prescribe most?
In 2024 Medicare Part D data, Summer Ziegler's most prescribed drugs by claims were Cephalexin.
How long has Summer Ziegler been practicing?
Summer Ziegler graduated from medical school in 2020, 6 years ago.
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