IndividualActive
Nancy Xu, M.D.
NPI 1922144385 · Nephrology Physician · Baltimore, MD
Nancy Xu, M.D. is a Nephrology Physician provider in Baltimore, MD (NPI 1922144385).
Provider details
- NPI number
- 1922144385
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 45901 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1830 Building, 4th Floor
1830 East Monument Street
Baltimore, MD 21205
Phone: (410) 955-5268
Fax: (410) 955-0485
Approximate (ZIP-level) locationGet directions
Mailing address
4 Morning Ct
Rosedale, MD 21237-2167
Registry dates
- Enumerated
- 2007-01-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Nancy Xu's NPI number?
- Nancy Xu's National Provider Identifier (NPI) is 1922144385, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Xu's specialty?
- Nancy Xu is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Nancy Xu located?
- Nancy Xu's practice location on file with NPPES is 1830 Building, 4th Floor, Baltimore, MD 21205.
- What is Nancy Xu's phone number?
- The practice phone number listed in the NPPES registry for Nancy Xu is (410) 955-5268.
- Is Nancy Xu's NPI active?
- Yes — Nancy Xu's NPI (1922144385) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.