Mehdi Manzari, M.D.

Individual provider Active NPI Internal Medicine Physician · Thousand Oaks, CA

NPI 1689807463 · NPPES record last updated Nov 29, 2021

Key facts

NPI
1689807463
Entity type
Individual (NPI type 1)
Primary specialty
Internal Medicine Physician 207R00000X
License
A109271 (CA)
Practice address
227 W Janss Rd Ste 210
Thousand Oaks, CA 91360-1867
Phone
(424) 333-1236
Fax
(424) 372-7181
NPI assigned
Aug 27, 2009
Sex
Male
Sole proprietor
Yes

Organizations & group practices 13

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

Medicare Care Compare profile

Specialty
Internal Medicine
Education
Other, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Inpatient Specialists of California PC (373 clinicians)
Dignity Health Medical Foundation (1,211 clinicians)
Alertive Healthcare Medical Group Apc (39 clinicians)

Practice addresses (Care Compare)

1720 E Cesar E Chavez Ave
Los Angeles, CA 90033-2414
Phone (323) 268-5000

18460 Roscoe Blvd
FL 3
Northridge, CA 91325-4107
Phone (818) 885-5480

4354 Latham St
Suite 100
Riverside, CA 92501-1777
Phone (951) 466-6628

Hospital & facility affiliations

  • Northridge Hospital Medical Center Hospital · Northridge, CA · CCN 050116
  • St Johns Regional Medical Center Hospital · Oxnard, CA · CCN 050082

Medicare participation

Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes

Medicare enrollment records

Enrollment IDStateProvider typePAC IDDetails
I20101210000187 CA Practitioner - Internal Medicine 8820285273 Reassigns benefits to 7 organizations

National Provider Directory

Medicare enrollment (NPD)
Yes
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A109271CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Dignity Health Medical Foundation Current Accepting new patients
Allure Medical Group a Professional Corporation Current
since Sep 1, 2017
Accepting new patients
Southern California Permanente Medical Group Current
since Apr 13, 2022
Accepting new patients
Dignity Health Medical Foundation Current
since Aug 4, 2025
Accepting new patients
Inpatient Specialists of California, PC Internal Medicine Current
since Apr 27, 2025
Accepting new patients
Southern California Permanente Medical Group Current Accepting new patients
Dignity Health Medical Foundation Current
since Aug 4, 2025
Accepting new patients
Hospitalist Medicine Physicians of California, Inc Internal Medicine Current
since Oct 7, 2018
Accepting new patients
Hospitalist Group of Montebello Inc Current
since Apr 1, 2025
Accepting new patients
Southern California Permanente Medical Group Current
since Apr 13, 2022
Accepting new patients
Astrana Care Hospitalists, a Medical Corporation Past
since Jan 19, 2020
Accepting new patients
Alertive Healthcare Medical Group PC Internal Medicine Past
since Jul 28, 2024
Accepting new patients

Locations

2309 Antonio Ave
Camarillo, CA 93010
Phone (805) 389-5655

1720 E Cesar E Chavez Ave
Los Angeles, CA 90033
Phone (323) 260-5781

6041 Cadillac Ave
Los Angeles, CA 90034
Phone (323) 857-2000

501 S Reino Rd
Ste 200
Newbury Park, CA 91320

18460 Roscoe Blvd
Fl 2
Northridge, CA 91325
Phone (818) 885-5480

18460 Roscoe Blvd
Fl 3
Northridge, CA 91325
Phone (818) 885-5480

1600 N Rose Ave
Oxnard, CA 93030
Phone (805) 988-2500

13652 Cantara St
Panorama City, CA 91402
Phone (818) 375-2417

393 E Walnut St
Fl 3
Pasadena, CA 91188
Phone (626) 405-7914

2121 Santa Monica Blvd
Santa Monica, CA 90404
Phone (310) 281-2024

2975 Sycamore Dr
Simi Valley, CA 93065
Phone (805) 522-2500

1701 Santa Anita Ave
South El Monte, CA 91733
Phone (626) 350-7916

215 W Janss Rd
Thousand Oaks, CA 91360
Phone (805) 379-5435

Specialties & licenses

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A109271 CA Yes

Addresses

Primary practice location

227 W Janss Rd Ste 210
Thousand Oaks, CA 91360-1867

Mailing address

4607 Lakeview Canyon Rd
567
Westlake Village, CA 91361-4028
Phone (866) 810-3655

Electronic endpoints

TypeEndpointUseAffiliation
SOAP URL https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq Health Information Exchange (HIE) Southern California Permanente Medical Group

Other providers in Thousand Oaks, CA

All providers in Thousand Oaks, CA · Internal Medicine Physician in California

Sources for this page

Verify at the official NPI Registry.