DAVID MARK TISHLER MD
NPI 1730287400
Pediatrics - Pediatric Hematology-Oncology in Los Angeles, CA
About David Mark Tishler Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID MARK TISHLER MD (NPI 1730287400) is an individual pediatric hematology-oncology provider in Los Angeles, California, licensed in California (A42126) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1983).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
David Mark Tishler Md 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.
Medicare Billing Reassignment
Medicare enrollment records show David Tishler reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
- 1,281 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.
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.
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
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 David Tishler's NPI number?
The NPI number for David Tishler is 1730287400. It was assigned to this individual provider in the NPPES registry on September 20, 2006.
Where is David Tishler located?
David Tishler practices at 4650 W Sunset Blvd, Los Angeles, CA 90027. The listed phone number is (323) 361-2121.
What is David Tishler's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is David Tishler enrolled in Medicare?
Yes. David Tishler 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 David Tishler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Tishler reassigns Medicare benefits to Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, 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 David Tishler'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 David Tishler was last updated on January 9, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# David Mark Tishler, MD · NPI 1730287400
Pediatric Hematology-Oncology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since September 20, 2006.
## Identity
- **NPI:** 1730287400 (Entity type: Individual)
- **Enumerated:** September 20, 2006
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** A42126 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4650 W SUNSET BLVD, Los Angeles, CA 90027-6062
- **Phone:** (323) 361-2121 · **Fax:** (323) 361-7128
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Children's Hospital Los Angeles Medical Group, Inc. (NPI 1265530653, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1983
## Record status
- **NPPES last updated:** January 9, 2008
- **Other identifiers:** Medicare ID-Type Unspecified WA42126A (CA); Medicare UPIN F72345 (CA); Medicaid 00A421260 (CA); and 1 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1730287400) · Data from the CMS NPPES public registry.