Huazhang Guo, M.D.
NPI 1245651009 · Anatomic Pathology & Clinical Pathology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Huazhang Guo, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Saint Louis, MO (NPI 1245651009).
Provider details
- NPI number
- 1245651009
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036151939 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
769 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 | 450 | $35 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 64 | $27 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 57 | $11 |
| Preparation of Tissue for Examination By Removing Any Calcium Present88311 | 42 | $11 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 37 | $33 |
| Pathology Examination of Tissue Using a Microscope, Limited Examination88300 | 33 | $5 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-12-21
- Last updated
- 2021-02-05
- Certified
- 2021-02-05
Frequently asked questions
- What is Huazhang Guo's NPI number?
- Huazhang Guo's National Provider Identifier (NPI) is 1245651009, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Huazhang Guo's specialty?
- Huazhang Guo is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Huazhang Guo located?
- Huazhang Guo's practice location on file with NPPES is 1402 S Grand Blvd, Saint Louis, MO 63104-1004.
- What is Huazhang Guo's phone number?
- The practice phone number listed in the NPPES registry for Huazhang Guo is (314) 977-4547.
- Does Huazhang Guo accept Medicare?
- Huazhang Guo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Huazhang Guo's NPI active?
- Yes — Huazhang Guo's NPI (1245651009) is active in the NPPES registry as of the last update on 2021-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.