DR. JASON M FIXLER M.D.
NPI 1205885605
Pediatrics - Pediatric Hematology-Oncology in Baltimore, MD

Active since May 10, 2006PECOS Enrolled
2401 W BELVEDERE AVE, DEPT OF PEDIATRICS, BALTIMORE, MD 21215(410) 601-5864(410) 601-8766 Get Directions Write a Review

NPPES record last updated: October 18, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Jason M Fixler M.d. NPPES

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

DR. JASON M FIXLER M.D. (NPI 1205885605) is an individual pediatric hematology-oncology provider in Baltimore, Maryland, licensed in Maryland (D59527) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (1996).

NPPES Registry Identity

NPI1205885605
Entity TypeIndividualMale
Primary Taxonomy2080P0207X
Provider Legal NameDR. JASON M FIXLERCredential: M.D.
Location Address2401 W BELVEDERE AVE, DEPT OF PEDIATRICSBaltimore, MD 21215-5216
Mailing Address2401 W Belvedere Ave, Attn: CredentialingBaltimore, MD 21215-5216 · (410) 601-5524 · Fax (410) 601-8946
Fax(410) 601-8766
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 1996
Enumeration DateMay 10, 2006
Last NPPES UpdateOctober 18, 2007
✔ NPI 1205885605 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License✔ Licensed in MD · D59527
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
Also ListedPediatricsTaxonomy 208000000X · License D59527 (MD)
2401 W BELVEDERE AVE, Baltimore, MD 21215

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jason M Fixler M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9032235882
PECOS Enrollment IDI20100929000753
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 Jason Fixler reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Surgical Critical Care
2401 W BELVEDERE AVE
Baltimore, MD 21215
  • Reassigned Medicare billing, Maryland enrollment
  • 664 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.

Nurse Anesthetist, Certified Registered
2401 W BELVEDERE AVE
BALTIMORE, MD 21215
Nurse Practitioner (Family)
2401 W BELVEDERE AVE
BALTIMORE, MD 21215
Internal Medicine
2401 W BELVEDERE AVE
BALTIMORE, MD 21215
Nurse Practitioner (Family)
2401 W BELVEDERE AVE
BALTIMORE, MD 21215
Anesthesiology
2401 W BELVEDERE AVE
BALTIMORE, MD 21215
Counselor (Professional)
2401 W BELVEDERE AVE
BALTIMORE, MD 21215
Nurse Anesthetist, Certified Registered
2401 W BELVEDERE AVE, ANESTHESIA DEPARTMENT
BALTIMORE, MD 21215
Nurse Practitioner (Family)
2401 W BELVEDERE AVE
BALTIMORE, MD 21215

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 Jason Fixler's NPI number?

The NPI number for Jason Fixler is 1205885605. It was assigned to this individual provider in the NPPES registry on May 10, 2006.

Where is Jason Fixler located?

Jason Fixler practices at 2401 W Belvedere Ave Dept Of Pediatrics, Baltimore, MD 21215. The listed phone number is (410) 601-5864.

What is Jason Fixler's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Jason Fixler enrolled in Medicare?

Yes. Jason Fixler is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jason Fixler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jason Fixler reassigns Medicare benefits to Sinai Hospital Of Baltimore Inc (Baltimore, MD). 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 Jason Fixler'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 Jason Fixler was last updated on October 18, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.