DR. DAVID NAUEN MD
NPI 1700104973
Pathology - Neuropathology in Baltimore, MD
About Dr. David Nauen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID NAUEN MD (NPI 1700104973) is an individual neuropathology provider in Baltimore, Maryland, licensed in Maryland (D0080950) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS and is a graduate of University Of Pittsburgh School Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses 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 Nauen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show David Nauen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21287
- Reassigned Medicare billing, District of Columbia enrollment
- 62 clinicians in this Medicare group
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 4,483 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 21205 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21205
BALTIMORE, MD 21205
BALTIMORE, MD 21205
BALTIMORE, MD 21205
BALTIMORE, MD 21205
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 Nauen's NPI number?
The NPI number for David Nauen is 1700104973. It was assigned to this individual provider in the NPPES registry on May 12, 2010.
Where is David Nauen located?
David Nauen practices at 720 Rutland Ave Ross Building 558, Baltimore, MD 21205. The listed phone number is (410) 955-0944.
What is David Nauen's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Neuropathology, with taxonomy code 207ZN0500X.
Is David Nauen enrolled in Medicare?
Yes. David Nauen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for David Nauen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Nauen reassigns Medicare benefits to 2 organizations: Johns Hopkins University (Baltimore, MD) and Johns Hopkins University (Baltimore, MD). Each 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 Nauen'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 Nauen was last updated on May 18, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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 Nauen, MD · NPI 1700104973
Neuropathology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since May 12, 2010.
## Identity
- **NPI:** 1700104973 (Entity type: Individual)
- **Enumerated:** May 12, 2010
- **Primary specialty:** Pathology - Neuropathology · taxonomy 207ZN0500X
- **State license:** D0080950 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 720 RUTLAND AVE, ROSS BUILDING 558, Baltimore, MD 21205-2109
- **Phone:** (410) 955-0944
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins University (NPI 1477540904, Baltimore, MD); Johns Hopkins University (NPI 1023018413, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Pittsburgh School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** May 18, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1700104973) · Data from the CMS NPPES public registry.