DR. HOWARD AARON KADER M.D.
NPI 1821031451
Pediatrics - Pediatric Gastroenterology in Baltimore, MD
About Dr. Howard Aaron Kader M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HOWARD AARON KADER M.D. (NPI 1821031451) is an individual pediatric gastroenterology provider in Baltimore, Maryland, licensed in Maryland (D59335) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Howard Aaron Kader M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Howard Kader reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: University Of Maryland Pediatric Associates, PA
- 172 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 21201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
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 Howard Kader's NPI number?
The NPI number for Howard Kader is 1821031451. It was assigned to this individual provider in the NPPES registry on June 13, 2006.
Where is Howard Kader located?
Howard Kader practices at 22 S Greene St N5w40, Baltimore, MD 21201. The listed phone number is (410) 328-6749.
What is Howard Kader's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.
Is Howard Kader enrolled in Medicare?
Yes. Howard Kader is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Howard Kader's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Howard Kader reassigns Medicare benefits to University Of Maryland Pediatric Assoc PA (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 Howard Kader'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 Howard Kader was last updated on August 24, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Dr. Howard Aaron Kader, M.D. · NPI 1821031451
Pediatric Gastroenterology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since June 13, 2006.
## Identity
- **NPI:** 1821031451 (Entity type: Individual)
- **Enumerated:** June 13, 2006
- **Primary specialty:** Pediatrics - Pediatric Gastroenterology · taxonomy 2080P0206X
- **State license:** D59335 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 S GREENE ST, N5W40, Baltimore, MD 21201-1544
- **Phone:** (410) 328-6749 · **Fax:** (410) 328-6136
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** University Of Maryland Pediatric Assoc PA (NPI 1174628580, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 24, 2009
- **Other identifiers:** Medicare PIN 156523ZAKH (MD); Medicaid 512206600 (MD); Medicare UPIN G49459 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1821031451) · Data from the CMS NPPES public registry.