Xi Gu, M.D.
NPI 1831142843 · Internal Medicine Physician · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Xi Gu, M.D. is a Internal Medicine Physician provider in New York, NY (NPI 1831142843).
Provider details
- NPI number
- 1831142843
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 203531 (NY)
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
20 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
1,036 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 816 | $98 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 45 | $144 |
| Administration of Influenza Virus VaccineG0008 | 44 | $36 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 42 | $9 |
| Administration of Pneumococcal VaccineG0009 | 21 | $36 |
| Administration of Hepatitis B VaccineG0010 | 20 | $36 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 200 | 60 |
| Losartan Potassium | 107 | 33 |
| Rosuvastatin Calcium | 105 | 34 |
| Levothyroxine Sodium | 98 | 28 |
| Metformin Hcl | 79 | 26 |
| Amlodipine Besylate | 76 | 27 |
| Zolpidem Tartrate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Xi Gu's NPI number?
- Xi Gu's National Provider Identifier (NPI) is 1831142843, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Xi Gu's specialty?
- Xi Gu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Xi Gu located?
- Xi Gu's practice location on file with NPPES is 15 Elizabeth St, New York, NY 10013-4803.
- What is Xi Gu's phone number?
- The practice phone number listed in the NPPES registry for Xi Gu is (212) 274-1705.
- Does Xi Gu accept Medicare?
- Xi Gu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Xi Gu's NPI active?
- Yes — Xi Gu's NPI (1831142843) 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.