Maria Luisa Castillo, PA-C

  • Long Beach, CA
  • Physician assistant
NPI1184924144PAC ID9931490349
Medicare patients, 2024
67
Part D claims, 2024
3,479
Industry payments
$133
Affiliated sites
2
Medical group
1
Practice address
2600 Redondo Avenue, Long Beach, CA 90806
Practice phone
Call (562) 988-7147
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Optum Surgery Center - Long Beach

Surgery Center - Medicare-Certified · Long Beach, California

See all 3 affiliations

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Maria Luisa Castillo is a physician assistant in Long Beach, California

Maria Castillo practices at Optum Surgery Center - Long Beach in Long Beach, California.

Maria Castillo's NPI, 1184924144, was assigned on October 25, 2010. Maria Castillo holds California license PA 21256.

NPI and contact details
Medicare PAC ID
9931490349
NPI enumeration date
October 25, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(562) 988-7147
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
42
Medical school graduation
2010

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Maria Luisa Castillo practices at Optum Surgery Center - Long Beach in Long Beach, California

Maria Castillo's primary practice is Optum Surgery Center - Long Beach, at 2600 Redondo Avenue, Long Beach, CA 90806. The practice phone is (562) 988-7147.

  • Optum Surgery Center - Long Beach
    2600 Redondo Avenue, Long Beach, CA 90806Phone(562) 988-7147

Source: Dmand AI Affiliation Data

Maria Luisa Castillo is affiliated with 2 sites of care and 1 medical group

Maria Castillo's primary practice is Optum Surgery Center - Long Beach in Long Beach, California. The medical group on file is Optum - Downtown Los Angeles. Dmand AI also links Maria Castillo to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Maria Castillo

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Maria Luisa Castillo's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Maria Castillo practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Optum Surgery Center - Long BeachAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Maria Luisa Castillo is one of 2,381 physician assistants in California

Medical is Maria Castillo's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Maria Castillo is licensed in California.

Specialties and state licenses

  • Medical physician assistant, CaliforniaPrimaryLicense PA 21256 · taxonomy 363AM0700X

Physician assistants near Maria Castillo

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

Maria Luisa Castillo treated 67 Medicare patients in 2024, average age 72

CMS counts 67 Medicare patients who saw Maria Castillo in 2024. The largest group is 65 to 74, with 32 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 60% are also on Medicaid. Their average risk score is 1.48, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Maria Castillo's median patient age at 56, with 73% women.

Medicare patients, 202467
Average age72
Average risk score1.48
Also on Medicaid60%

Maria Castillo's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Maria Castillo's Medicare patients by sex, 2024

  • Women3349%
  • Men3451%

Chronic conditions among Maria Castillo's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes52%
  4. Arthritis46%
  5. Anxiety33%
  6. Ischemic heart disease30%
  7. Chronic kidney disease28%
  8. Tobacco use28%

Share of Medicare patients with each condition. A patient can have several.

Maria Castillo'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

  • Women73%
  • Men26%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Maria Luisa Castillo wrote 3,479 Medicare Part D claims in 2024

In 2024, Maria Castillo wrote 3,479 Medicare Part D claims for 471 patients. 88% of them were for generic drugs.

Part D claims, 20243,479
Part D patients471

Maria Castillo's Part D claims by kind of drug, 2024

  • Generic3,052 claims88%
  • Brand-name396 claims11%
  • Other31 claims1%

Drug classes CMS tracks in Maria Castillo's Part D claims, 2024

  • Opioids3%92 of 3,479 claims
  • Antibiotics5%190 of 3,479 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

Maria Luisa Castillo offers telehealth to Medicare patients

Maria Castillo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Maria Castillo as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Maria Luisa Castillo received $133 in industry payments in 2025

CMS Open Payments shows 5 general payments to Maria Castillo from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Corcept Therapeutics paid the most, $75.

Companies that paid Maria Castillo the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Maria Castillo

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

Sources for Maria Luisa Castillo'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 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 (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 Maria Luisa Castillo

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Maria Luisa Castillo's NPI number?

Maria Luisa Castillo's NPI number is 1184924144. It was assigned on October 25, 2010, and it is active in the NPI Registry.

What does Maria Luisa Castillo specialize in?

Maria Luisa Castillo is a physician assistant in Long Beach, California. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).

Where does Maria Luisa Castillo practice?

Maria Castillo practices at 2600 Redondo Avenue, Long Beach, CA 90806. Maria Castillo's primary practice is Optum Surgery Center - Long Beach in Long Beach, California. Dmand AI also links Maria Castillo to 1 group practice or clinic.

What is Maria Luisa Castillo's office phone number?

The practice phone on file for Maria Castillo is (562) 988-7147.

What is Maria Luisa Castillo's medical license number?

Maria Castillo holds California license PA 21256.

What medical group is Maria Luisa Castillo part of?

Maria Castillo is linked to Optum - Downtown Los Angeles.

Does Maria Luisa Castillo accept Medicare?

Yes. CMS lists Maria Castillo as accepting Medicare assignment.

Does Maria Luisa Castillo offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Maria Castillo as offering telehealth services.

How many Medicare patients does Maria Luisa Castillo see?

CMS counts 67 Medicare patients who saw Maria Castillo in 2024, with an average age of 72.

Has Maria Luisa Castillo received payments from drug or device companies?

CMS Open Payments shows $133 in general payments to Maria Castillo from 3 companies from 2025 to 2025. The largest total came from Corcept Therapeutics.

How long has Maria Luisa Castillo been practicing?

Maria Castillo graduated from medical school in 2010, 16 years ago.

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