Jessica Gayle Irwin Stark, PA-C
- Medicare services, 2024
- 116
- Medicare patients, 2024
- 57
- Part D claims, 2024
- 20
- MIPS score, 2024
- 97
- Hospital affiliations
- 1
- Practice address
- 20103 Lake Chabot Road, Castro Valley, CA 94546
- Practice phone
- Call (510) 537-1234
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Jessica Stark'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.
Jessica Gayle Irwin Stark is a physician assistant in Castro Valley, California
Jessica Stark practices at Sutter Eden Medical Center in Castro Valley, California, part of Sutter Health.
Jessica Stark's NPI, 1215117643, was assigned on November 14, 2007. Jessica Stark holds California license PA19216.
- NPI
- 1215117643NPI Registry (opens in a new tab)
- NPI enumeration date
- November 14, 2007
- NPI status
- Active
- Practice phone
- (510) 537-1234
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Jessica Gayle Irwin Stark practices at Sutter Eden Medical Center in Castro Valley, California
Jessica Stark's primary practice is Sutter Eden Medical Center, at 20103 Lake Chabot Road, Castro Valley, CA 94546 in Alameda County. The practice phone is (510) 537-1234.
- Sutter Eden Medical Center20103 Lake Chabot Road, Castro Valley, CA 94546 · Alameda CountyPhone(510) 537-1234
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Jessica Gayle Irwin Stark is affiliated with 1 site of care and 1 medical group
Jessica Stark's primary practice is Sutter Eden Medical Center in Castro Valley, California, part of Sutter Health. The medical group on file is Sutter Santa Rosa Regional Hospital.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Jessica Gayle Irwin Stark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jessica Stark practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sutter Eden Medical Center | 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 Sutter Health and 6.2K+ hospitals, with verified contacts in the same login.
Jessica Gayle Irwin Stark is one of 11,482 physician assistants in California
Physician assistant is Jessica Stark's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Jessica Stark is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Jessica Stark is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Jessica Stark
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
Jessica Gayle Irwin Stark billed Medicare for 116 services in 2024
CMS data shows 116 Medicare services from Jessica Stark across 2 procedure codes in 2024, for 57 Medicare patients. Medicare paid $8,164 for them. Every service was in a facility, such as a hospital, rather than an office.
Jessica Stark compared with the California median for physician assistants, 2024
- Jessica Stark
- California median
- Medicare services
- 116vs 20443% below
- Medicare patients
- 57vs 10546% below
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
Jessica Stark'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.
Need commercial claims for Jessica Stark?
Medicare shows one payer. Book a meeting to get commercial claims data for Jessica Stark and other physician assistants in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Jessica Gayle Irwin Stark treated 57 Medicare patients in 2024, average age 74
CMS counts 57 Medicare patients who saw Jessica Stark in 2024. The largest group is 65 to 74, with 22 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 54% are also on Medicaid. Their average risk score is 1.90, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Jessica Stark's median patient age at 57, with 42% women.
Jessica Stark's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Jessica Stark's Medicare patients by sex, 2024
- Women2951%
- Men2849%
Chronic conditions among Jessica Stark's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Stroke or TIA72%
- Arthritis44%
- Chronic kidney disease44%
- Diabetes44%
- Mood disorders40%
- Depression35%
Share of Medicare patients with each condition. A patient can have several.
Jessica Stark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women42%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Jessica Gayle Irwin Stark wrote 20 Medicare Part D claims in 2024
In 2024, Jessica Stark wrote 20 Medicare Part D claims. 95% of them were for generic drugs.
Jessica Stark's Part D claims by kind of drug, 2024
- Generic19 claims95%
- Brand-name and other1 claims5%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Jessica Gayle Irwin Stark 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 Jessica Stark for performance year 2024, reported as part of a group.
Jessica Stark's MIPS scores, performance year 2024
- 97of 100Final score
- 80.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Jessica Gayle Irwin Stark received $87 in industry payments in 2025
CMS Open Payments shows 1 general payment to Jessica Stark from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. DePuy Synthes Sales Inc. paid the most, $87.
Companies that paid Jessica Stark the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Jessica Gayle Irwin Stark is board certified in certified physician assistant
Jessica Stark is a member of AAPA.
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Jessica Gayle Irwin Stark'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand 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 (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | 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 Jessica Gayle Irwin Stark
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jessica Gayle Irwin Stark's NPI number?
Jessica Gayle Irwin Stark's NPI number is 1215117643. It was assigned on November 14, 2007, and it is active in the NPI Registry.
What does Jessica Gayle Irwin Stark specialize in?
Jessica Gayle Irwin Stark is a physician assistant in Castro Valley, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Jessica Gayle Irwin Stark practice?
Jessica Stark practices at 20103 Lake Chabot Road, Castro Valley, CA 94546. Jessica Stark's primary practice is Sutter Eden Medical Center in Castro Valley, California, part of Sutter Health.
What is Jessica Gayle Irwin Stark's office phone number?
The practice phone on file for Jessica Stark is (510) 537-1234.
What is Jessica Gayle Irwin Stark's medical license number?
Jessica Stark holds California license PA19216.
Which hospitals is Jessica Gayle Irwin Stark affiliated with?
Jessica Stark practices at Sutter Eden Medical Center in Castro Valley, California.
What medical group is Jessica Gayle Irwin Stark part of?
Jessica Stark is linked to Sutter Santa Rosa Regional Hospital.
Does Jessica Gayle Irwin Stark accept Medicare?
Yes. CMS data shows Jessica Stark billed Medicare for 116 services in 2024.
What is Jessica Gayle Irwin Stark's MIPS score?
Jessica Stark's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Jessica Gayle Irwin Stark see?
CMS counts 57 Medicare patients who saw Jessica Stark in 2024, with an average age of 74.
Show 4 more questionsShow fewer questions
Is Jessica Gayle Irwin Stark board certified?
Yes. Jessica Stark is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What services does Jessica Gayle Irwin Stark bill to Medicare?
In 2024, Jessica Stark's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99233).
Has Jessica Gayle Irwin Stark received payments from drug or device companies?
CMS Open Payments shows $87 in general payments to Jessica Stark from 1 company from 2025 to 2025. The largest total came from DePuy Synthes Sales Inc.
How long has Jessica Gayle Irwin Stark been practicing?
Jessica Stark graduated from medical school in 2007, 19 years ago.
Selling to physician assistant practices?
See physician assistants in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card