Darren Manzano

  • Orange, CA
  • Physician assistant
NPI1407491707PAC ID0941745467
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
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Personal email
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Mobile number
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Social profiles

Primary practice

UCI Health - Orange

Hospital · Orange, California

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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 and contact details
Medicare PAC ID
0941745467
NPI enumeration date
November 10, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(714) 456-7890
Professional email
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Personal email
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Mobile number
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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 - Orange
    101 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.

EHR by site
SiteEHR vendor and product
UCI Health - OrangeAvailable 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 assistantPrimarytaxonomy 363A00000X

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.

Medicare services, 202446
Medicare patients58
Paid by Medicare$2,665
Procedure codes1

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.

Medicare patients, 202458
Average age74
Average risk score1.83
Also on Medicaid29%

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

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes34%
  5. Osteoporosis33%
  6. Depression31%
  7. Mood disorders31%
  8. 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.

Part D claims, 2024171
Drugs named by CMS4
Total drug cost$2,793
Part D patients103

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.

See all prescribing by Darren Manzano

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.

See all payments to Darren Manzano

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Darren Manzano's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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