DR. DAVID MADDER DO
NPI 1366526980
Internal Medicine in Nottingham, MD
About Dr. David Madder Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID MADDER DO (NPI 1366526980) is an individual internal medicine provider in Nottingham, Maryland, licensed in Maryland (H63476) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. David Madder Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show David Madder reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Nottingham, MD 21236
- Reassigned Medicare billing, Maryland enrollment
- 952 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 21236 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
NOTTINGHAM, MD 21236
NOTTINGHAM, MD 21236
BALTIMORE, MD 21236
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 Madder's NPI number?
The NPI number for David Madder is 1366526980. It was assigned to this individual provider in the NPPES registry on October 24, 2006.
Where is David Madder located?
David Madder practices at 4924 Campbell Blvd Suite 200, Nottingham, MD 21236. The listed phone number is (443) 442-2300.
What is David Madder's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is David Madder enrolled in Medicare?
Yes. David Madder is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for David Madder's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Madder reassigns Medicare benefits to Johns Hopkins Community Physicians, Inc (Nottingham, 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 David Madder'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 Madder was last updated on May 9, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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. David Madder, DO · NPI 1366526980
Internal Medicine physician in Nottingham, Maryland. Individual provider, active in the CMS NPPES registry since October 24, 2006.
## Identity
- **NPI:** 1366526980 (Entity type: Individual)
- **Enumerated:** October 24, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** H63476 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 4924 CAMPBELL BLVD, SUITE 200, Nottingham, MD 21236-5908
- **Phone:** (443) 442-2300 · **Fax:** (443) 442-2360
## 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:** Johns Hopkins Community Physicians, Inc (NPI 1194546192, Nottingham, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 9, 2013
- **Other identifiers:** Medicare UPIN E62840; Medicare ID-Type Unspecified L1023
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Source: [NPI Profile](https://npiprofile.com/npi/1366526980) · Data from the CMS NPPES public registry.