DR. DHARUSHANA MUTHULINGAM MD
NPI 1447526231
Internal Medicine - Infectious Disease in Westlake Village, CA

Active since March 27, 2012PECOS EnrolledAccepts Medicare Assignment
141 TRIUNFO CANYON RD STE 110, WESTLAKE VILLAGE, CA 91361(805) 371-1393 Get Directions Write a Review

NPPES record last updated: June 30, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 10, 2021, Jul 2, 2019, Aug 15, 2018 (3 updates tracked since 2018).

About Dr. Dharushana Muthulingam Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DHARUSHANA MUTHULINGAM MD (NPI 1447526231) is an individual infectious disease provider in Westlake Village, California, licensed in California (A129093) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1447526231
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameDR. DHARUSHANA MUTHULINGAMCredential: MD
Location Address141 TRIUNFO CANYON RD STE 110Westlake Village, CA 91361-2525
Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631 · (310) 301-8707
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateMarch 27, 2012
Last NPPES UpdateJune 30, 20263 updates tracked since enumeration
NPPES CertifiedJune 30, 2026
✔ NPI 1447526231 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in CA · A129093
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
141 TRIUNFO CANYON RD STE 110, Westlake Village, CA 91361

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Dharushana Muthulingam Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3779806740
PECOS Enrollment IDI20190812002829, I20260527002377
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Dharushana Muthulingam reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
200 MEDICAL PLAZA, SUITE 365,530,420,250,120,214
Los Angeles, CA 90095
  • Reassigned Medicare billing, California enrollment
  • 1,766 clinicians in this Medicare group
Multi-Specialty
660 S EUCLID AVE
Saint Louis, MO 63110
  • Reassigned Medicare billing, Missouri enrollment
  • 1,133 clinicians in this Medicare group
Mental Health (Including Community Mental Health Center)
1311 N 6TH ST
Milwaukee, WI 53212
  • Reassigned Medicare billing, Missouri enrollment
  • 24 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91361 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$140.72 typical visit price
range $62.32 – $185.36
Typical copayment $35.18 (range $15.58 – $46.34)
Most-billed visit code 99204
Established Patient
$108.74 typical visit price
range $20.68 – $151.85
Typical copayment $27.18 (range $5.17 – $37.96)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
141 TRIUNFO CANYON RD STE 110
WESTLAKE VILLAGE, CA 91361
Internal Medicine (Infectious Disease)
141 TRIUNFO CANYON RD STE 110
WESTLAKE VILLAGE, CA 91361
Internal Medicine
141 TRIUNFO CANYON RD STE 110
WESTLAKE VILLAGE, CA 91361
Family Medicine
141 TRIUNFO CANYON RD STE 110
WESTLAKE VILLAGE, CA 91361
Internal Medicine
141 TRIUNFO CANYON RD STE 110
WESTLAKE VILLAGE, CA 91361
Family Medicine
141 TRIUNFO CANYON RD STE 110
WESTLAKE VILLAGE, CA 91361
Family Medicine (Adult Medicine)
141 TRIUNFO CANYON RD STE 110
WESTLAKE VILLAGE, CA 91361
Internal Medicine (Rheumatology)
141 TRIUNFO CANYON RD STE 110
WESTLAKE VILLAGE, CA 91361

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Dharushana Muthulingam's NPI number?

The NPI number for Dharushana Muthulingam is 1447526231. It was assigned to this individual provider in the NPPES registry on March 27, 2012.

Where is Dharushana Muthulingam located?

Dharushana Muthulingam practices at 141 Triunfo Canyon Rd Ste 110, Westlake Village, CA 91361. The listed phone number is (805) 371-1393.

What is Dharushana Muthulingam's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Dharushana Muthulingam enrolled in Medicare?

Yes. Dharushana Muthulingam is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Dharushana Muthulingam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dharushana Muthulingam reassigns Medicare benefits to 3 organizations: The Regents Of The University Of California (Los Angeles, CA), Washington University (Saint Louis, MO) and Vivent Health Inc (Milwaukee, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Dharushana Muthulingam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dharushana Muthulingam accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 3 other insurers list Dharushana Muthulingam as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Dharushana Muthulingam was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.