Ryan Hartogh, PA-C
- Medicare patients, 2024
- 259
- Part D claims, 2024
- 595
- Hospital affiliations
- 1
- Industry payments
- $21
- Medical groups
- 3
- Practice address
- 25548 The Old Rd, Stevenson Ranch, CA 91381
- Practice phone
- Call (818) 880-2225
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Exer Urgent Care
Stevenson Ranch, California
Find Ryan Hartogh'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.
Ryan Hartogh is a physician assistant in Stevenson Ranch, California
Ryan Hartogh practices at Exer Urgent Care in Stevenson Ranch, California.
Ryan Hartogh's NPI, 1174924112, was assigned on September 9, 2014. Ryan Hartogh holds California license 51793.
- NPI
- 1174924112NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153648563
- NPI enumeration date
- September 9, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (818) 880-2225
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Ryan Hartogh practices at Exer Urgent Care in Stevenson Ranch, California
Ryan Hartogh's primary practice is Exer Urgent Care, at 25548 The Old Rd, Stevenson Ranch, CA 91381 in Los Angeles County. The practice phone is (818) 880-2225.
- Exer Urgent Care25548 The Old Rd, Stevenson Ranch, CA 91381 · Los Angeles CountyPhone(818) 880-2225
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Ryan Hartogh is affiliated with 2 sites of care and 3 medical groups
Ryan Hartogh's primary practice is Exer Urgent Care in Stevenson Ranch, California. Ryan Hartogh is also affiliated with Pomona Valley Hospital Medical Center. The medical group on file is Exer Urgent Care. Dmand AI also links Ryan Hartogh to 2 more medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Ryan Hartogh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ryan Hartogh practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Exer Urgent Care | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Ryan Hartogh is one of 11,482 physician assistants in California
Physician assistant is Ryan Hartogh's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Ryan Hartogh is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Ryan Hartogh
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
Ryan Hartogh treated 259 Medicare patients in 2024, average age 73
CMS counts 259 Medicare patients who saw Ryan Hartogh in 2024. The largest group is 65 to 74, with 135 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 18% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Ryan Hartogh's median patient age at 36, with 57% women.
Ryan Hartogh's Medicare patients by age, 2024
Ryan Hartogh's Medicare patients by sex, 2024
- Women15861%
- Men10139%
Chronic conditions among Ryan Hartogh's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis56%
- Ischemic heart disease24%
- Anxiety23%
- Diabetes23%
- Mood disorders23%
- Depression21%
Share of Medicare patients with each condition. A patient can have several.
Ryan Hartogh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 36
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Ryan Hartogh wrote 595 Medicare Part D claims in 2024
In 2024, Ryan Hartogh wrote 595 Medicare Part D claims for 363 patients. 86% of them were for generic drugs.
Ryan Hartogh's Part D claims by kind of drug, 2024
- Generic513 claims86%
- Brand-name and other82 claims14%
Drug classes CMS tracks in Ryan Hartogh's Part D claims, 2024
- Antibiotics40%239 of 595 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 Ryan Hartogh takes part in Medicare
Ryan Hartogh 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)
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Ryan Hartogh received $21 in industry payments in 2025
CMS Open Payments shows 1 general payment to Ryan Hartogh from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Hologic Inc paid the most, $21.
Companies that paid Ryan Hartogh 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 Ryan Hartogh'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 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 Ryan Hartogh
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Ryan Hartogh's NPI number?
Ryan Hartogh's NPI number is 1174924112. It was assigned on September 9, 2014, and it is active in the NPI Registry.
What does Ryan Hartogh specialize in?
Ryan Hartogh is a physician assistant in Stevenson Ranch, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Ryan Hartogh practice?
Ryan Hartogh practices at 25548 The Old Rd, Stevenson Ranch, CA 91381. Ryan Hartogh's primary practice is Exer Urgent Care in Stevenson Ranch, California. Dmand AI also links Ryan Hartogh to 2 medical groups.
What is Ryan Hartogh's office phone number?
The practice phone on file for Ryan Hartogh is (818) 880-2225.
What is Ryan Hartogh's medical license number?
Ryan Hartogh holds California license 51793.
Which hospitals is Ryan Hartogh affiliated with?
Ryan Hartogh is affiliated with Pomona Valley Hospital Medical Center.
What medical group is Ryan Hartogh part of?
Ryan Hartogh is linked to Exer Urgent Care. Dmand AI links Ryan Hartogh to 2 more medical groups.
Does Ryan Hartogh accept Medicare?
Yes. CMS lists Ryan Hartogh as accepting Medicare assignment.
How many Medicare patients does Ryan Hartogh see?
CMS counts 259 Medicare patients who saw Ryan Hartogh in 2024, with an average age of 73.
Has Ryan Hartogh received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to Ryan Hartogh from 1 company from 2025 to 2025. The largest total came from Hologic Inc.
How long has Ryan Hartogh been practicing?
Ryan Hartogh graduated from medical school in 2014, 12 years ago.
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