Xiaojun Guo, M.D.
NPI 1235167875 · Anesthesiology Physician · Stony Brook, NY
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Xiaojun Guo, M.D. is a Anesthesiology Physician provider in Stony Brook, NY (NPI 1235167875).
Provider details
- NPI number
- 1235167875
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 218444 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
382 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 106 | $104 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 78 | $95 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 39 | $111 |
| Anesthesia for Exam of Colon Using an Endoscope00812 | 31 | $75 |
| Anesthesia for Procedure on Gallbladder, Pancreas, Or Liver Using an Endoscope00732 | 23 | $140 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 23 | $50 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$360 across 18 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Xiaojun Guo's NPI number?
- Xiaojun Guo's National Provider Identifier (NPI) is 1235167875, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Xiaojun Guo's specialty?
- Xiaojun Guo is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Xiaojun Guo located?
- Xiaojun Guo's practice location on file with NPPES is Health Sciences Center L4 #060, Stony Brook, NY 11794-0001.
- What is Xiaojun Guo's phone number?
- The practice phone number listed in the NPPES registry for Xiaojun Guo is (631) 444-2975.
- Does Xiaojun Guo accept Medicare?
- Xiaojun Guo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Xiaojun Guo's NPI active?
- Yes — Xiaojun Guo's NPI (1235167875) 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.