Ludwing Oswaldo Herrera Castellanos, PA-C

  • Glendale, CA
  • Physician assistant
NPI1730894460PAC ID3375078728
Part D claims, 2024
496
Hospital affiliations
2
Industry payments
$359
Medical group
1
State license
1
Practice address
1420 S Central Ave, Glendale, CA 91204
Practice phone
Call (818) 502-1900
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Find Ludwing Herrera Castellanos' professional email, personal email and mobile number

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Ludwing Oswaldo Herrera Castellanos is a physician assistant in Glendale, California

Ludwing Herrera Castellanos practices at Dignity Health - Glendale Memorial Hospital and Health Center in Glendale, California, part of CommonSpirit Health.

Ludwing Herrera Castellanos' NPI, 1730894460, was assigned on January 17, 2023. Ludwing Herrera Castellanos holds California license PA64121.

NPI and contact details
Medicare PAC ID
3375078728
NPI enumeration date
January 17, 2023
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(818) 502-1900
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
29
Medical school graduation
2023

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

Ludwing Oswaldo Herrera Castellanos practices at Dignity Health - Glendale Memorial Hospital and Health Center in Glendale, California

Ludwing Herrera Castellanos' primary practice is Dignity Health - Glendale Memorial Hospital and Health Center, at 1420 S Central Ave, Glendale, CA 91204 in Los Angeles County. The practice phone is (818) 502-1900.

Source: Dmand AI Affiliation Data

Ludwing Oswaldo Herrera Castellanos is affiliated with 3 sites of care and 1 medical group

Ludwing Herrera Castellanos' primary practice is Dignity Health - Glendale Memorial Hospital and Health Center in Glendale, California, part of CommonSpirit Health. The medical group on file is Orthopedic Surgeon LA. Dmand AI also links Ludwing Herrera Castellanos to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 4 affiliations for Ludwing Herrera Castellanos

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

Dmand AI tracks the EHR system at Ludwing Oswaldo Herrera Castellanos' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Ludwing Herrera Castellanos practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dignity Health - Glendale Memorial Hospital and Health CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Ludwing Oswaldo Herrera Castellanos is one of 11,482 physician assistants in California

Physician assistant is Ludwing Herrera Castellanos' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Ludwing Herrera Castellanos is licensed in California.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense PA64121 · taxonomy 363A00000X

Physician assistants near Ludwing Herrera Castellanos

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

Ludwing Oswaldo Herrera Castellanos' patients have a median age of 70

Across all payers, Dmand AI patient panel data puts Ludwing Herrera Castellanos' median patient age at 70, with 66% women.

Ludwing Herrera Castellanos' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women66%
  • Men33%

Source: Dmand AI Patient Panel Data

Ludwing Oswaldo Herrera Castellanos wrote 496 Medicare Part D claims in 2024

In 2024, Ludwing Herrera Castellanos wrote 496 Medicare Part D claims for 152 patients. 91% of them were for generic drugs.

Part D claims, 2024496
Part D patients152

Ludwing Herrera Castellanos' Part D claims by kind of drug, 2024

  • Generic449 claims91%
  • Brand-name and other47 claims9%

Drug classes CMS tracks in Ludwing Herrera Castellanos' Part D claims, 2024

  • Opioids3%14 of 496 claims
  • Antibiotics5%23 of 496 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 Ludwing Oswaldo Herrera Castellanos takes part in Medicare

Ludwing Herrera Castellanos 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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Ludwing Oswaldo Herrera Castellanos received $359 in industry payments in 2025

CMS Open Payments shows 5 general payments to Ludwing Herrera Castellanos from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $293.

Companies that paid Ludwing Herrera Castellanos the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Ludwing Herrera Castellanos

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

Sources for Ludwing Oswaldo Herrera Castellanos'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 Data
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 Ludwing Oswaldo Herrera Castellanos

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

What is Ludwing Oswaldo Herrera Castellanos' NPI number?

Ludwing Oswaldo Herrera Castellanos' NPI number is 1730894460. It was assigned on January 17, 2023, and it is active in the NPI Registry.

What does Ludwing Oswaldo Herrera Castellanos specialize in?

Ludwing Oswaldo Herrera Castellanos is a physician assistant in Glendale, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Ludwing Oswaldo Herrera Castellanos practice?

Ludwing Herrera Castellanos practices at 1420 S Central Ave, Glendale, CA 91204. Ludwing Herrera Castellanos' primary practice is Dignity Health - Glendale Memorial Hospital and Health Center in Glendale, California, part of CommonSpirit Health. Dmand AI also links Ludwing Herrera Castellanos to 1 hospital and 1 group practice or clinic.

What is Ludwing Oswaldo Herrera Castellanos' office phone number?

The practice phone on file for Ludwing Herrera Castellanos is (818) 502-1900.

What is Ludwing Oswaldo Herrera Castellanos' medical license number?

Ludwing Herrera Castellanos holds California license PA64121.

Which hospitals is Ludwing Oswaldo Herrera Castellanos affiliated with?

Ludwing Herrera Castellanos practices at Dignity Health - Glendale Memorial Hospital and Health Center in Glendale, California. Dmand AI links Ludwing Herrera Castellanos to 1 more hospital.

What medical group is Ludwing Oswaldo Herrera Castellanos part of?

Ludwing Herrera Castellanos is linked to Orthopedic Surgeon LA.

Does Ludwing Oswaldo Herrera Castellanos accept Medicare?

Yes. CMS lists Ludwing Herrera Castellanos as accepting Medicare assignment.

Has Ludwing Oswaldo Herrera Castellanos received payments from drug or device companies?

CMS Open Payments shows $359 in general payments to Ludwing Herrera Castellanos from 4 companies from 2025 to 2025. The largest total came from Stryker Corporation.

How long has Ludwing Oswaldo Herrera Castellanos been practicing?

Ludwing Herrera Castellanos graduated from medical school in 2023, 3 years ago.

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