John N. Slingerland, PA-C
- Medicare patients, 2024
- 48
- Part D claims, 2024
- 98
- Hospital affiliations
- 1
- Industry payments
- $23
- Medical group
- 1
- Practice address
- 1100 West Stewart Dr, Orange, CA 92868
- Practice phone
- Call (714) 633-9111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find John Slingerland'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.
John N. Slingerland is a physician assistant in Orange, California
John Slingerland practices at Providence St. Joseph Hospital Orange in Orange, California, part of Providence Health & Services.
John Slingerland's NPI, 1710592811, was assigned on September 15, 2020. John Slingerland holds California license 61973.
- NPI
- 1710592811NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345607339
- NPI enumeration date
- September 15, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 633-9111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John N. Slingerland practices at Providence St. Joseph Hospital Orange in Orange, California
John Slingerland's primary practice is Providence St. Joseph Hospital Orange, at 1100 West Stewart Dr, Orange, CA 92868 in Orange County. The practice phone is (714) 633-9111.
- Providence St. Joseph Hospital Orange1100 West Stewart Dr, Orange, CA 92868 · Orange CountyPhone(714) 633-9111
Source: Dmand AI Affiliation Data
John N. Slingerland is affiliated with 2 sites of care and 1 medical group
John Slingerland's primary practice is Providence St. Joseph Hospital Orange in Orange, California, part of Providence Health & Services. The medical group on file is Restore Orthopedics & Spine Center. Dmand AI also links John Slingerland to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John N. Slingerland's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Slingerland practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence St. Joseph Hospital Orange | Available with a free account |
| +1 more affiliated site | 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 Providence Health & Services and 6.2K+ hospitals, with verified contacts in the same login.
John N. Slingerland is one of 11,482 physician assistants in California
Physician assistant is John Slingerland's primary specialty in the NPI Registry, under taxonomy code 363A00000X. John Slingerland is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near John Slingerland
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
John N. Slingerland treated 48 Medicare patients in 2024, average age 71
CMS counts 48 Medicare patients who saw John Slingerland in 2024. The largest group is 65 to 74, with 25 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.35, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Slingerland's median patient age at 69, with 48% women.
John Slingerland's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Slingerland's Medicare patients by sex, 2024
- Women3267%
- Men1633%
Chronic conditions among John Slingerland's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Anxiety54%
- Mood disorders40%
- Depression38%
- Osteoporosis38%
- Asthma35%
Share of Medicare patients with each condition. A patient can have several.
John Slingerland's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John N. Slingerland wrote 98 Medicare Part D claims in 2024
In 2024, John Slingerland wrote 98 Medicare Part D claims for 50 patients. 98% of them were for generic drugs.
John Slingerland's Part D claims by kind of drug, 2024
- Generic96 claims98%
- Brand-name and other2 claims2%
Drug classes CMS tracks in John Slingerland's Part D claims, 2024
- Opioids36%35 of 98 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How John N. Slingerland takes part in Medicare
John Slingerland accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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John N. Slingerland received $23 in industry payments in 2025
CMS Open Payments shows 1 general payment to John Slingerland from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Merz Pharmaceuticals, LLC paid the most, $23.
Companies that paid John Slingerland 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 John N. Slingerland'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 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 | Doctors and Clinicians National Downloadable File (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 John N. Slingerland
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John N. Slingerland's NPI number?
John N. Slingerland's NPI number is 1710592811. It was assigned on September 15, 2020, and it is active in the NPI Registry.
What does John N. Slingerland specialize in?
John N. Slingerland is a physician assistant in Orange, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does John N. Slingerland practice?
John Slingerland practices at 1100 West Stewart Dr, Orange, CA 92868. John Slingerland's primary practice is Providence St. Joseph Hospital Orange in Orange, California, part of Providence Health & Services. Dmand AI also links John Slingerland to 1 group practice or clinic.
What is John N. Slingerland's office phone number?
The practice phone on file for John Slingerland is (714) 633-9111.
What is John N. Slingerland's medical license number?
John Slingerland holds California license 61973.
Which hospitals is John N. Slingerland affiliated with?
John Slingerland practices at Providence St. Joseph Hospital Orange in Orange, California.
What medical group is John N. Slingerland part of?
John Slingerland is linked to Restore Orthopedics & Spine Center.
Does John N. Slingerland accept Medicare?
Yes. CMS lists John Slingerland as accepting Medicare assignment.
How many Medicare patients does John N. Slingerland see?
CMS counts 48 Medicare patients who saw John Slingerland in 2024, with an average age of 71.
Has John N. Slingerland received payments from drug or device companies?
CMS Open Payments shows $23 in general payments to John Slingerland from 1 company from 2025 to 2025. The largest total came from Merz Pharmaceuticals, LLC.
How long has John N. Slingerland been practicing?
John Slingerland graduated from medical school in 2022, 4 years ago.
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