Gregory D. Marony, PA
- Medicare patients, 2024
- 43
- Part D claims, 2024
- 109
- Hospital affiliations
- 2
- Industry payments
- $41
- Medical groups
- 2
- Practice address
- 1201 W La Veta Ave, Orange, CA 92868
- Practice phone
- Call (714) 997-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Children's Hospital of Orange County Main Campus
Orange, California
Find Gregory Marony'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.
Gregory D. Marony is a nurse practitioner in Orange, California
Gregory Marony practices at Children's Hospital of Orange County Main Campus in Orange, California.
Gregory Marony's NPI, 1184993834, was assigned on December 27, 2011. Gregory Marony holds California license PA21884.
- NPI
- 1184993834NPI Registry (opens in a new tab)
- NPI enumeration date
- December 27, 2011
- NPI status
- Active
- Practice phone
- (714) 997-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Gregory D. Marony practices at Children's Hospital of Orange County Main Campus in Orange, California
Gregory Marony's primary practice is Children's Hospital of Orange County Main Campus, at 1201 W La Veta Ave, Orange, CA 92868 in Orange County. The practice phone is (714) 997-3000.
- Children's Hospital of Orange County Main Campus1201 W La Veta Ave, Orange, CA 92868 · Orange CountyPhone(714) 997-3000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Gregory D. Marony is affiliated with 3 sites of care and 2 medical groups
Gregory Marony's primary practice is Children's Hospital of Orange County Main Campus in Orange, California. Gregory Marony is also affiliated with Rady Children's Hospital - Orange County. The medical group on file is Vituity. Dmand AI also links Gregory Marony to 1 more hospital and 1 medical group, 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 Gregory D. Marony's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Marony practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Children's Hospital of Orange County Main Campus | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Gregory D. Marony is one of 5,983 nurse practitioners in California
Nurse practitioner is Gregory Marony's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Gregory Marony is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Nurse practitioners near Gregory Marony
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
Gregory D. Marony treated 43 Medicare patients in 2024, average age 76
CMS counts 43 Medicare patients who saw Gregory Marony in 2024. The largest group is 75 to 84, with 15 patients. 75% of them have high blood pressure, and 67% have high cholesterol. 44% are also on Medicaid. Their average risk score is 2.17, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Gregory Marony's median patient age at 18, with 51% women.
Gregory Marony's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Gregory Marony's Medicare patients by sex, 2024
- Women3070%
- Men1330%
Chronic conditions among Gregory Marony's Medicare patients, 2024
- High blood pressure75%
- High cholesterol67%
- Arthritis56%
- Ischemic heart disease40%
- Chronic kidney disease35%
- Diabetes35%
- Heart failure35%
- Mood disorders35%
Share of Medicare patients with each condition. A patient can have several.
Gregory Marony's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 18
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gregory D. Marony wrote 109 Medicare Part D claims in 2024
In 2024, Gregory Marony wrote 109 Medicare Part D claims for 82 patients. 97% of them were for generic drugs.
Gregory Marony's Part D claims by kind of drug, 2024
- Generic106 claims97%
- Brand-name and other3 claims3%
Drug classes CMS tracks in Gregory Marony's Part D claims, 2024
- Opioids26%28 of 109 claims
- Antibiotics43%47 of 109 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
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Gregory D. Marony received $41 in industry payments in 2025
CMS Open Payments shows 2 general payments to Gregory Marony from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. DePuy Synthes Sales Inc. paid the most, $24.
Companies that paid Gregory Marony 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 Gregory D. Marony'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) |
| 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 Gregory D. Marony
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory D. Marony's NPI number?
Gregory D. Marony's NPI number is 1184993834. It was assigned on December 27, 2011, and it is active in the NPI Registry.
What does Gregory D. Marony specialize in?
Gregory D. Marony is a nurse practitioner in Orange, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Gregory D. Marony practice?
Gregory Marony practices at 1201 W La Veta Ave, Orange, CA 92868. Gregory Marony's primary practice is Children's Hospital of Orange County Main Campus in Orange, California. Dmand AI also links Gregory Marony to 1 hospital and 1 medical group.
What is Gregory D. Marony's office phone number?
The practice phone on file for Gregory Marony is (714) 997-3000.
What is Gregory D. Marony's medical license number?
Gregory Marony holds California license PA21884.
Which hospitals is Gregory D. Marony affiliated with?
Gregory Marony is affiliated with Rady Children's Hospital - Orange County. Dmand AI links Gregory Marony to 1 more hospital.
What medical group is Gregory D. Marony part of?
Gregory Marony is linked to Vituity. Dmand AI links Gregory Marony to 1 more medical group.
How many Medicare patients does Gregory D. Marony see?
CMS counts 43 Medicare patients who saw Gregory Marony in 2024, with an average age of 76.
Has Gregory D. Marony received payments from drug or device companies?
CMS Open Payments shows $41 in general payments to Gregory Marony from 2 companies from 2025 to 2025. The largest total came from DePuy Synthes Sales Inc.
How long has Gregory D. Marony been practicing?
Gregory Marony's NPI was assigned in 2011.
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