James Constantine Sardelis, AGACNP-BC
- Part D claims, 2024
- 107
- MIPS score, 2024
- 92
- Industry payments
- $31
- Affiliated sites
- 4
- Medical groups
- 5
- Practice address
- 1800 N California St, Stockton, CA 95204
- Practice phone
- Call (858) 275-8112
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Josephs Medical Center
Stockton, California
Find James Sardelis' 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.
James Constantine Sardelis is a nurse practitioner in Stockton, California
James Sardelis practices at St Josephs Medical Center in Stockton, California.
James Sardelis' NPI, 1851941298, was assigned on September 18, 2019. James Sardelis holds California license 95012744.
- NPI
- 1851941298NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143652966
- NPI enumeration date
- September 18, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (858) 275-8112
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
James Constantine Sardelis practices at St Josephs Medical Center in Stockton, California
James Sardelis' primary practice is St Josephs Medical Center, at 1800 N California St, Stockton, CA 95204 in San Joaquin County. The practice phone is (858) 275-8112.
- St Josephs Medical Center1800 N California St, Stockton, CA 95204 · San Joaquin CountyPhone(858) 275-8112
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
James Constantine Sardelis is affiliated with 5 sites of care and 5 medical groups
James Sardelis' primary practice is St Josephs Medical Center in Stockton, California. The medical group on file is UCSF Medical Group. Dmand AI also links James Sardelis to 4 more group practices and clinics and 4 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at James Constantine Sardelis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where James Sardelis practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Josephs Medical Center | Available with a free account |
| +4 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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James Constantine Sardelis is one of 5,983 nurse practitioners in California
Nurse practitioner is James Sardelis' primary specialty in the NPI Registry, under taxonomy code 363L00000X. James Sardelis is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Nurse practitioners near James Sardelis
Counts of nurse practitioners 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
James Constantine Sardelis' patients have a median age of 64
Across all payers, Dmand AI patient panel data puts James Sardelis' median patient age at 64, with 55% women.
James Sardelis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women55%
- Men41%
Source: Dmand AI Patient Panel Data
James Constantine Sardelis wrote 107 Medicare Part D claims in 2024
In 2024, James Sardelis wrote 107 Medicare Part D claims for 36 patients. 89% of them were for generic drugs. CMS names the drug for 50 of them, across 3 drugs with 11 or more claims each, at $700 in total drug cost.
James Sardelis' Part D claims by kind of drug, 2024
- Generic95 claims89%
- Brand-name and other12 claims11%
James Sardelis' 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 James Sardelis' Part D claims, 2024
- Opioids21%23 of 107 claims
- Antibiotics12%13 of 107 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
James Constantine Sardelis scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for James Sardelis for performance year 2024, reported as part of a group. James Sardelis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
James Sardelis' MIPS scores, performance year 2024
- 92of 100Final score
- 81.9of 100Quality
- 99of 100Promoting Interoperability
- 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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James Constantine Sardelis received $31 in industry payments in 2025
CMS Open Payments shows 1 general payment to James Sardelis from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Vertex Pharmaceuticals Incorporated paid the most, $31.
Companies that paid James Sardelis the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for James Constantine Sardelis'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 James Constantine Sardelis
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is James Constantine Sardelis' NPI number?
James Constantine Sardelis' NPI number is 1851941298. It was assigned on September 18, 2019, and it is active in the NPI Registry.
What does James Constantine Sardelis specialize in?
James Constantine Sardelis is a nurse practitioner in Stockton, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does James Constantine Sardelis practice?
James Sardelis practices at 1800 N California St, Stockton, CA 95204. James Sardelis' primary practice is St Josephs Medical Center in Stockton, California. Dmand AI also links James Sardelis to 4 group practices and clinics and 4 medical groups.
What is James Constantine Sardelis' office phone number?
The practice phone on file for James Sardelis is (858) 275-8112.
What is James Constantine Sardelis' medical license number?
James Sardelis holds California license 95012744.
What medical group is James Constantine Sardelis part of?
James Sardelis is linked to UCSF Medical Group. Dmand AI links James Sardelis to 4 more medical groups.
Does James Constantine Sardelis accept Medicare?
Yes. CMS lists James Sardelis as accepting Medicare assignment.
What is James Constantine Sardelis' MIPS score?
James Sardelis' MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.
What drugs does James Constantine Sardelis prescribe most?
In 2024 Medicare Part D data, James Sardelis' most prescribed drugs by claims were Gabapentin, Oxycodone HCl and Baclofen.
Has James Constantine Sardelis received payments from drug or device companies?
CMS Open Payments shows $31 in general payments to James Sardelis from 1 company from 2025 to 2025. The largest total came from Vertex Pharmaceuticals Incorporated.
How long has James Constantine Sardelis been practicing?
James Sardelis graduated from medical school in 2019, 7 years ago.
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