Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

IGOR GARY SHLIFER D.O.
NPI 1295174860
Internal Medicine in Calabasas, CA

Active since June 17, 2013PECOS EnrolledAccepts Medicare Assignment
3.85/100
CMS Quality Rating
24151 VENTURA BLVD STE 110, CALABASAS, CA 91302(818) 346-4300(818) 346-4301 Get Directions Write a Review

NPPES record last updated: September 28, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 28, 2026, Dec 5, 2025, Apr 24, 2017 (3 updates tracked since 2017).

About Igor Gary Shlifer D.o. NPPES

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

IGOR GARY SHLIFER D.O. (NPI 1295174860) is an individual internal medicine provider in Calabasas, California, licensed in California (20A14715) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS and is a graduate of Indiana University School Of Medicine (2016).

NPPES Registry Identity

NPI1295174860
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameIGOR GARY SHLIFERCredential: D.O.
Location Address24151 VENTURA BLVD STE 110Calabasas, CA 91302-1284
Mailing Address24151 Ventura Blvd Ste 110Calabasas, CA 91302-1284 · (818) 346-4300 · Fax (818) 346-4301
Fax(818) 346-4301
Sole ProprietorYes
Medical School CMSIndiana University School Of MedicineGraduated 2016
Enumeration DateJune 17, 2013
Last NPPES UpdateSeptember 28, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 28, 2026
✔ NPI 1295174860 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · 20A14715
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
24151 VENTURA BLVD STE 110, Calabasas, CA 91302

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

Igor Gary Shlifer D.o. 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 ID42451320
PECOS Enrollment IDI20160817001772, I20260416002462
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 Igor Shlifer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
20301 VENTURA BLVD, SUITE 210
Woodland Hills, CA 91364
  • Reassigned Medicare billing, California enrollment
  • 5 clinicians in this Medicare group
Internal Medicine
2440 W HORIZON RIDGE PKWY STE 130
Henderson, NV 89052
  • Reassigned Medicare billing, Nevada enrollment
  • 2 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.

Areas of Expertise CMS Part B claims 29

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow G0181
This service involves a physician overseeing your care while you receive Medicare-covered services from a home health agency. The care you're receiving is complex and involves various disciplines. The physician isn't physically present but regularly supervises your treatment to ensure optimal health outcomes.
1,802 services421 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
896 services467 patients
Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 99350
An established patient home visit is a service where a healthcare professional visits a patient's home for a check-up or treatment. The visit typically lasts for about an hour. This service is especially beneficial for patients who may have difficulty traveling to a healthcare facility.
566 services271 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
491 services51 patients
Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 99458
This service involves analyzing your vital signs, like heart rate and blood pressure, remotely collected over a month. Each additional 20 minutes spent on management refers to extra time spent reviewing, interpreting your data, and planning your care. It's a critical part of ensuring your wellbeing.
488 services58 patients
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349
An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.
485 services195 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91302 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

3.85/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0
Cost12.85

Referred Medical Equipment & Supplies CMS DME claims 8

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
10 suppliers29 claims65 services$5.16 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
7 suppliers15 claims20 services$1.01 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), without side rails, without mattress E0295
DME-Hospital Beds · category DB000N
2 suppliers39 claims39 services$52.58 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
5 suppliers25 claims25 services$13.30 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
2 suppliers12 claims12 services$28.38 avg. paid by Medicare
Multi-positional patient transfer system, with integrated seat, operated by care giver, patient weight capacity up to and including 300 lbs E1035
DME-Other DME · category DE000N
2 suppliers17 claims17 services$361.59 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 3

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

Podiatrist (Foot & Ankle Surgery)
24151 VENTURA BLVD STE 110
CALABASAS, CA 91302
Clinic/Center (Primary Care)
24151 VENTURA BLVD STE 110
CALABASAS, CA 91302
Substance Abuse Rehabilitation Facility
24151 VENTURA BLVD STE 110
CALABASAS, CA 91302

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 Igor Shlifer's NPI number?

The NPI number for Igor Shlifer is 1295174860. It was assigned to this individual provider in the NPPES registry on June 17, 2013.

Where is Igor Shlifer located?

Igor Shlifer practices at 24151 Ventura Blvd Ste 110, Calabasas, CA 91302. The listed phone number is (818) 346-4300.

What is Igor Shlifer's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Igor Shlifer enrolled in Medicare?

Yes. Igor Shlifer 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 Igor Shlifer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Igor Shlifer reassigns Medicare benefits to 2 organizations: Igor Gary Shlifer Do P.C. (Woodland Hills, CA) and Mana Medical Shlifer (Henderson, NV). 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 Igor Shlifer'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 Igor Shlifer was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days 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.