DR. TIMOTHY T JIANG M.D.
NPI 1396769659
Internal Medicine in Baltimore, MD
About Dr. Timothy T Jiang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIMOTHY T JIANG M.D. (NPI 1396769659) is an individual internal medicine provider in Baltimore, Maryland, licensed in Maryland (D54967) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Saint Agnes Hospital, and is a graduate of Other (1983).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Other Identifiers 4
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
Dr. Timothy T Jiang M.d. 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 Reassignment
Medicare enrollment records show Timothy Jiang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21229
- Reassigned Medicare billing, Maryland enrollment
- 372 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
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.
Saint Agnes Hospital
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21204 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21204
BALTIMORE, MD 21204
BALTIMORE, MD 21204
BALTIMORE, MD 21204
BALTIMORE, MD 21204
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 Timothy Jiang's NPI number?
The NPI number for Timothy Jiang is 1396769659. It was assigned to this individual provider in the NPPES registry on July 27, 2006. The provider is also known as Dr. Tianrong Jiang M.D..
Where is Timothy Jiang located?
Timothy Jiang practices at 6701 N Charles St Dept Of Medicine Rm 4890, Baltimore, MD 21204. The listed phone number is (443) 849-8046.
What is Timothy Jiang's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Timothy Jiang enrolled in Medicare?
Yes. Timothy Jiang 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 organization bills Medicare for Timothy Jiang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Jiang reassigns Medicare benefits to St Agnes Healthcare 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 Timothy Jiang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Timothy Jiang affiliated with any hospitals?
According to CMS data, Timothy Jiang is affiliated with Saint Agnes Hospital.
When was this NPI record last updated?
The NPPES record for Timothy Jiang was last updated on July 13, 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.
# Dr. Timothy T Jiang, M.D. · NPI 1396769659
Internal Medicine physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since July 27, 2006.
## Identity
- **NPI:** 1396769659 (Entity type: Individual)
- **Enumerated:** July 27, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** D54967 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 6701 N CHARLES ST, DEPT OF MEDICINE RM 4890, Baltimore, MD 21204-6808
- **Phone:** (443) 849-8046
## 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:** St Agnes Healthcare Inc (NPI 1144250176, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1983
## Record status
- **NPPES last updated:** July 13, 2007
- **Other identifiers:** Medicare UPIN G97729; Other KJ15GB/77983902 (MD); Medicare PIN 725L657Y (MD); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1396769659) · Data from the CMS NPPES public registry.