Darren Manzano
- Medicare services, 2024
- 46
- Medicare patients, 2024
- 58
- Part D claims, 2024
- 171
- Hospital affiliations
- 1
- Industry payments
- $51
- Practice address
- 101 City Drive South, Orange, CA 92868
- Practice phone
- Call (714) 456-7890
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Darren Manzano's professional email, personal email and mobile number
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Darren Manzano is a physician assistant in Orange, California
Darren Manzano practices at UCI Health - Orange in Orange, California, part of UC Irvine.
Darren Manzano's NPI, 1407491707, was assigned on November 10, 2019.
- NPI
- 1407491707NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941745467
- NPI enumeration date
- November 10, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 456-7890
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Darren Manzano practices at UCI Health - Orange in Orange, California
Darren Manzano's primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.
- UCI Health - Orange101 City Drive South, Orange, CA 92868 · Orange CountyPhone(714) 456-7890
Source: Dmand AI Affiliation Data
Darren Manzano is affiliated with 1 site of care and 1 medical group
Darren Manzano's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. The medical group on file is UCI Health Orthopaedic Surgery Services.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Darren Manzano's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Darren Manzano practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCI Health - Orange | Available with a free account |
Source: Dmand AI Technology Install Data
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Darren Manzano is one of 11,482 physician assistants in California
Physician assistant is Darren Manzano's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Darren Manzano
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
Darren Manzano billed Medicare for 46 services in 2024
CMS data shows 46 Medicare services from Darren Manzano across 1 procedure code in 2024, all of them office visits, for 58 Medicare patients. Medicare paid $2,665 for them.
Where Darren Manzano's Medicare services took place, 2024
- In an office2657%
- In a facility2043%
Darren Manzano compared with the California median for physician assistants, 2024
- Darren Manzano
- California median
- Medicare services
- 46vs 20477% below
- Medicare patients
- 58vs 10545% below
- Part D claims
- 109vs 24355% below
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
Darren Manzano'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Darren Manzano treated 58 Medicare patients in 2024, average age 74
CMS counts 58 Medicare patients who saw Darren Manzano in 2024. The largest group is 75 to 84, with 23 patients. 75% of them have arthritis, and 75% have high blood pressure. 29% are also on Medicaid. Their average risk score is 1.83, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Darren Manzano's median patient age at 56, with 51% women.
Darren Manzano's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Darren Manzano's Medicare patients by sex, 2024
- Women3866%
- Men2034%
Chronic conditions among Darren Manzano's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes34%
- Osteoporosis33%
- Depression31%
- Mood disorders31%
- Ischemic heart disease29%
Share of Medicare patients with each condition. A patient can have several.
Darren Manzano's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women51%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Darren Manzano wrote 171 Medicare Part D claims in 2024
In 2024, Darren Manzano wrote 171 Medicare Part D claims for 103 patients. 99% of them were for generic drugs. CMS names the drug for 109 of them, across 4 drugs with 11 or more claims each, at $2,793 in total drug cost.
Darren Manzano's Part D claims by kind of drug, 2024
- Generic170 claims99%
- Brand-name and other1 claims1%
Darren Manzano's 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 Darren Manzano's Part D claims, 2024
- Opioids24%41 of 171 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
How Darren Manzano takes part in Medicare
Darren Manzano 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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Darren Manzano received $51 in industry payments from 2024 to 2025
CMS Open Payments shows 2 general payments to Darren Manzano from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $33.
General payments to Darren Manzano by program year, 2024 to 2025
Companies that paid Darren Manzano the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Darren Manzano'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 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 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) |
| 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 Darren Manzano
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Darren Manzano's NPI number?
Darren Manzano's NPI number is 1407491707. It was assigned on November 10, 2019, and it is active in the NPI Registry.
What does Darren Manzano specialize in?
Darren Manzano is a physician assistant in Orange, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Darren Manzano practice?
Darren Manzano practices at 101 City Drive South, Orange, CA 92868. Darren Manzano's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine.
What is Darren Manzano's office phone number?
The practice phone on file for Darren Manzano is (714) 456-7890.
Which hospitals is Darren Manzano affiliated with?
Darren Manzano practices at UCI Health - Orange in Orange, California.
What medical group is Darren Manzano part of?
Darren Manzano is linked to UCI Health Orthopaedic Surgery Services.
Does Darren Manzano accept Medicare?
Yes. CMS data shows Darren Manzano billed Medicare for 46 services in 2024, and Darren Manzano accepts Medicare assignment.
How many Medicare patients does Darren Manzano see?
CMS counts 58 Medicare patients who saw Darren Manzano in 2024, with an average age of 74.
What services does Darren Manzano bill to Medicare?
In 2024, Darren Manzano's most billed Medicare services were office visit, established patient (99213).
What drugs does Darren Manzano prescribe most?
In 2024 Medicare Part D data, Darren Manzano's most prescribed drugs by claims were Celecoxib, Diclofenac Sodium and Tramadol HCl.
Has Darren Manzano received payments from drug or device companies?
CMS Open Payments shows $51 in general payments to Darren Manzano from 2 companies from 2024 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Darren Manzano been practicing?
Darren Manzano graduated from medical school in 2019, 7 years ago.
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