DR. MARIANNA SHAKHNOVITS M.D.
NPI 1568627222
Family Medicine - Adult Medicine in Pasadena, CA

Active since July 22, 2008PECOS EnrolledAccepts Medicare Assignment
100 W CALIFORNIA BLVD, PASADENA, CA 91105(626) 795-2244 Get Directions Write a Review

NPPES record last updated: January 9, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 9, 2026, Dec 7, 2020 (2 updates tracked since 2020).

About Dr. Marianna Shakhnovits M.d. NPPES

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

DR. MARIANNA SHAKHNOVITS M.D. (NPI 1568627222) is an individual adult medicine provider in Pasadena, California, licensed in California (A113415) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (1984).

NPPES Registry Identity

NPI1568627222
Entity TypeIndividualFemale
Primary Taxonomy207QA0505X
Provider Legal NameDR. MARIANNA SHAKHNOVITSCredential: M.D.
Location Address100 W CALIFORNIA BLVDPasadena, CA 91105-3010
Mailing AddressPo Box 35380Las Vegas, NV 89133-5380 · (702) 579-3203
Sole ProprietorNo
Medical School CMSOtherGraduated 1984
Enumeration DateJuly 22, 2008
Last NPPES UpdateJanuary 9, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 9, 2026
✔ NPI 1568627222 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily Medicine · Adult MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QA0505X
License✔ Licensed in CA · A113415
Definition
The National Uniform Claim Committee (NUCC) recommends code 207QA0505X not be used. Choose a more appropriate code.
100 W CALIFORNIA BLVD, Pasadena, CA 91105

Secondary Practice Locations 2

Location 11500 Duarte RdDuarte, CA 91010-3012 · Phone (626) 256-4673
Location 2101 W Beverly Blvd, STE 303Montebello, CA 90640-4316 · Phone (323) 837-5147 · Fax (323) 725-5063

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. Marianna Shakhnovits M.d. 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 ID4486616349
PECOS Enrollment IDI20110803000620
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

2

Medicare enrollment records show Marianna Shakhnovits reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hematology & Oncology
1500 DUARTE RD
Duarte, CA 91010
  • Reassigned Medicare billing, California enrollment
  • 1,335 clinicians in this Medicare group
Internal Medicine
1120 W WASHINGTON BLVD
Los Angeles, CA 90015
  • Reassigned Medicare billing, California enrollment
  • 2,052 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 91105 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
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 20

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

Nurse Practitioner (Acute Care)
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Registered Nurse (Registered Nurse First Assistant)
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Radiology (Diagnostic Radiology)
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Pain Medicine (Pain Medicine)
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Rehabilitation Unit
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Hospitalist
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Emergency Medicine
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Internal Medicine
100 W CALIFORNIA BLVD
PASADENA, CA 91105

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 Marianna Shakhnovits's NPI number?

The NPI number for Marianna Shakhnovits is 1568627222. It was assigned to this individual provider in the NPPES registry on July 22, 2008.

Where is Marianna Shakhnovits located?

Marianna Shakhnovits practices at 100 W California Blvd, Pasadena, CA 91105. The listed phone number is (626) 795-2244.

What is Marianna Shakhnovits's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Adult Medicine, with taxonomy code 207QA0505X.

Is Marianna Shakhnovits enrolled in Medicare?

Yes. Marianna Shakhnovits 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 Marianna Shakhnovits's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marianna Shakhnovits reassigns Medicare benefits to 2 organizations: City Of Hope Medical Foundation (Duarte, CA) and Healthcare Partners Affiliates Medical Group (Los Angeles, CA). 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 Marianna Shakhnovits'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 Marianna Shakhnovits was last updated on January 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.