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DR. MICHELLE L YOUSEFZADEH DO
NPI 1063033736
Internal Medicine - Infectious Disease in Santa Monica, CA

Active since May 04, 2020PECOS EnrolledAccepts Medicare Assignment
1301 20TH ST STE 110, SANTA MONICA, CA 90404(310) 453-0419 Get Directions Write a Review

NPPES record last updated: December 12, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 12, 2025, May 4, 2020 (2 updates tracked since 2020).

About Dr. Michelle L Yousefzadeh Do NPPES

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

DR. MICHELLE L YOUSEFZADEH DO (NPI 1063033736) is an individual infectious disease provider in Santa Monica, California, licensed in California (20A20969) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Miami Beach, and is a graduate of Nova Southeastern College Of Osteo Medicine (2020).

NPPES Registry Identity

NPI1063033736
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameDR. MICHELLE L YOUSEFZADEHCredential: DO
Location Address1301 20TH ST STE 110Santa Monica, CA 90404-2096
Mailing AddressPo Box 49272Los Angeles, CA 90049-0272 · (310) 729-3748
Phone(310) 453-0419
Sole ProprietorYes
Medical School CMSNova Southeastern College Of Osteo MedicineGraduated 2020
Enumeration DateMay 4, 2020
Last NPPES UpdateDecember 12, 20252 updates tracked since enumeration
NPPES CertifiedDecember 12, 2025
✔ NPI 1063033736 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in CA · 20A20969
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1301 20TH ST STE 110, Santa Monica, CA 90404
Open in Google Maps ↗

Secondary Practice Location 1

Location 14300 Alton RdMiami Beach, FL 33140-2948 · Phone (305) 674-2121

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. Michelle L Yousefzadeh Do 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 ID648773564
PECOS Enrollment IDI20250915002205
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 Reassignment

Medicare enrollment records show Michelle Yousefzadeh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Providence Saint Johns Medical Foundation
0.1 mi
Specialist
2121 SANTA MONICA BLVD
Santa Monica, CA 90404
  • Reassigned Medicare billing, California enrollment
  • 461 clinicians in this Medicare group
NPI 1770093734 (310) 582-7312

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 90404 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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 4

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

MR. JAY KAHNG M.D.
Internal Medicine
1301 20TH ST STE 110
SANTA MONICA, CA 90404
Los Angeles County (310) 453-0419
JANE SINDEN SPIEGEL MD MSPH
Internal Medicine
1301 20TH ST STE 110
SANTA MONICA, CA 90404
Los Angeles County (310) 315-0196
BRYANT YANG
Internal Medicine (Infectious Disease)
1301 20TH ST STE 110
SANTA MONICA, CA 90404
Los Angeles County (310) 453-0419
GLENN GORLITSKY M.D.
Internal Medicine
1301 20TH ST STE 110
SANTA MONICA, CA 90404
Los Angeles County (310) 453-0419

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 Michelle Yousefzadeh's NPI number?

The NPI number for Michelle Yousefzadeh is 1063033736. It was assigned to this individual provider in the NPPES registry on May 4, 2020.

Where is Michelle Yousefzadeh located?

Michelle Yousefzadeh practices at 1301 20th St Ste 110, Santa Monica, CA 90404. The listed phone number is (310) 453-0419.

What is Michelle Yousefzadeh's specialty?

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

Is Michelle Yousefzadeh enrolled in Medicare?

Yes. Michelle Yousefzadeh 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 organization bills Medicare for Michelle Yousefzadeh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Yousefzadeh reassigns Medicare benefits to Providence Saint Johns Medical Foundation (Santa Monica, CA). The 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 Michelle Yousefzadeh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Michelle Yousefzadeh was last updated on December 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.