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DR. MICHELLE SHIREEN KOLSI M.D.
NPI 1821294307
Pediatrics in Glendale, CA

Active since June 22, 2007PECOS EnrolledCLIA 05D0556519 · Microscopy
110 W STOCKER ST, GLENDALE, CA 91202(818) 244-7237(818) 244-6787 Get Directions Write a Review

NPPES record last updated: May 5, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Michelle Shireen Kolsi M.d. NPPES

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

DR. MICHELLE SHIREEN KOLSI M.D. (NPI 1821294307) is an individual pediatrics provider in Glendale, California, licensed in California (A93068) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS and holds a CLIA Microscopy certificate valid through August 31, 2028.

NPPES Registry Identity

NPI1821294307
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. MICHELLE SHIREEN KOLSICredential: M.D.
Location Address110 W STOCKER STGlendale, CA 91202-2509
Mailing Address110 W Stocker StGlendale, CA 91202-2509 · (818) 244-7237 · Fax (818) 244-6787
Phone(818) 244-7237
Fax(818) 244-6787
Sole ProprietorYes
Enumeration DateJune 22, 2007
Last NPPES UpdateMay 5, 2017
✔ NPI 1821294307 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A93068
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
110 W STOCKER ST, Glendale, CA 91202
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Michelle Shireen Kolsi M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Kolsi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Intercommunity Emergency Medical Group
18 mi
Emergency Medicine
12401 WASHINGTON BLVD
Whittier, CA 90602
  • Reassigned Medicare billing, California enrollment
  • 121 clinicians in this Medicare group
NPI 1871535286 (562) 698-0811

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D0556519

Michelle Kolsi, MD · Glendale, CA
Active · expires Aug 31, 2028
CLIA Number05D0556519
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2026
Certificate Expiration DateAugust 31, 2028
Laboratory DirectorMichelle S. Kolsi MD
Laboratory Phone(818) 244-7237
Laboratory LocationMichelle Kolsi, MD110 W Stocker St, Glendale, CA 91202
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91202 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 3

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

STEVEN NISHIBAYASHI, MD, INC.
Clinic/Center (Health Service)
110 W STOCKER ST
GLENDALE, CA 91202
Los Angeles County (818) 244-7237
DR. STEVEN WAYNE NISHIBAYASHI MD
Pediatrics
110 W STOCKER ST
GLENDALE, CA 91202
Los Angeles County (818) 244-7237
APRIL CHARMAINE PUNSAL GACUYA NP
Nurse Practitioner (Pediatrics)
110 W STOCKER ST
GLENDALE, CA 91202
Los Angeles County (818) 244-7237

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 Kolsi's NPI number?

The NPI number for Michelle Kolsi is 1821294307. It was assigned to this individual provider in the NPPES registry on June 22, 2007.

Where is Michelle Kolsi located?

Michelle Kolsi practices at 110 W Stocker St, Glendale, CA 91202. The listed phone number is (818) 244-7237.

What is Michelle Kolsi's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Michelle Kolsi enrolled in Medicare?

Yes. Michelle Kolsi is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Michelle Kolsi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Kolsi reassigns Medicare benefits to Intercommunity Emergency Medical Group (Whittier, 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 Kolsi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Does Michelle Kolsi hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 05D0556519) is associated with this NPI, valid through August 31, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Michelle Kolsi was last updated on May 5, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years 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.