Guangwu Xu, MD
NPI 1538691894 · Anatomic Pathology & Clinical Pathology Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guangwu Xu, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Baltimore, MD (NPI 1538691894).
Provider details
- NPI number
- 1538691894
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D93348 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,502 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 761 | $38 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 265 | $29 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 171 | $36 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 77 | $85 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 57 | $12 |
| Microscopic Genetic Analysis of Tumor, Manual88360 | 45 | $43 |
Practice location
Mailing address
Additional practice locations (1)
- 55 Lake Ave NWorcester, MA 01655-0002Phone: (508) 334-1000
Registry dates
- Enumerated
- 2017-03-28
- Last updated
- 2022-05-12
- Certified
- 2022-05-12
Frequently asked questions
- What is Guangwu Xu's NPI number?
- Guangwu Xu's National Provider Identifier (NPI) is 1538691894, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guangwu Xu's specialty?
- Guangwu Xu is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Guangwu Xu located?
- Guangwu Xu's practice location on file with NPPES is 600 N Wolfe St, Baltimore, MD 21287-0005.
- What is Guangwu Xu's phone number?
- The practice phone number listed in the NPPES registry for Guangwu Xu is (410) 955-5000.
- Does Guangwu Xu accept Medicare?
- Guangwu Xu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guangwu Xu's NPI active?
- Yes — Guangwu Xu's NPI (1538691894) is active in the NPPES registry as of the last update on 2022-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.