DAVID J NA MD
NPI 1326624354
Internal Medicine in Baltimore, MD
About David J Na Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID J NA MD (NPI 1326624354) is an individual internal medicine provider in Baltimore, Maryland, licensed in Maryland (D0100401) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Holy Cross Hospital, and maintains a secondary practice location in Baltimore.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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 J Na 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 Reassignments
3Medicare enrollment records show David Na reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21205
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 338 clinicians in this Medicare group
Annapolis, MD 21401
- Reassigned Medicare billing, District of Columbia enrollment
- 2,492 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Holy Cross Hospital
Acute Care Hospitals · Silver Spring, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21264 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 21264
BALTIMORE, MD 21264
BALTIMORE, MD 21264
BALTIMORE, MD 21264
BALTIMORE, MD 21264
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 Na's NPI number?
The NPI number for David Na is 1326624354. It was assigned to this individual provider in the NPPES registry on March 21, 2021.
Where is David Na located?
David Na practices at 1800 Orleans Street, Baltimore, MD 21264. The listed phone number is (410) 502-2037.
What is David Na's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is David Na enrolled in Medicare?
Yes. David Na 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 organizations bill Medicare for David Na's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Na reassigns Medicare benefits to 3 organizations: Johns Hopkins University (Baltimore, MD), Johns Hopkins University (Baltimore, MD) and Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Annapolis, 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 Na's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is David Na affiliated with any hospitals?
According to CMS data, David Na is affiliated with Holy Cross Hospital.
When was this NPI record last updated?
The NPPES record for David Na was last updated on December 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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 J Na, MD · NPI 1326624354
Internal Medicine physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since March 21, 2021.
## Identity
- **NPI:** 1326624354 (Entity type: Individual)
- **Enumerated:** March 21, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** D0100401 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 1800 ORLEANS STREET, Baltimore, MD 21264-1544
- **Phone:** (410) 502-2037 · **Fax:** (410) 955-0737
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins University (NPI 1033190442, Baltimore, MD); Johns Hopkins University (NPI 1902332133, Baltimore, MD); Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (NPI 1952461816, Annapolis, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Maryland School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** December 6, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1326624354) · Data from the CMS NPPES public registry.