Doctor profile · Federal record

Dr. Xi Gu, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · New York, NY

  • NPI 1831142843
  • Accepts Medicare
  • 40 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
15 Elizabeth St, Rm. 301
New York, NY 100134803
(212) 274-1705
fax (212) 274-1936

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #203531
Medicaid
NY #01673569

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831142843. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,461
Distinct HCPCS
10
Medicare allowed
$101,314
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 741 154 $103
36415 Insertion of needle into vein for collection of blood sample 348 145 $8
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 120 106 $17
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 85 85 $146
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free 44 43 $33
G0008 Administration of influenza virus vaccine 34 33 $35
90471 Administration of vaccine 23 20 $23
90746 Hepatitis b vaccine, adult dosage (3 dose schedule) 18 13 $69
G0010 Administration of hepatitis b vaccine 17 15 $35
99214 Established patient office or other outpatient visit, 30-39 minutes 16 15 $145

In context: peer comparison

Among 559 peers in this city , average services per provider: 137. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
914
Patients
267
Total drug cost
$57,483
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 157 52 $1,898
Levothyroxine Sodium Generic 114 29 $2,026
Losartan Potassium Generic 114 33 $2,012
Rosuvastatin Calcium Generic 78 22 $1,255
Metformin Hcl Generic 72 23 $651
Amlodipine Besylate Generic 55 19 $459
Zolpidem Tartrate Generic 53 16 $418
Gabapentin Generic 43 17 $831
Metoprolol Succinate Generic 43 13 $874
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 39 0 $10,757

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Xi Gu's medical specialty?
Dr. Xi Gu practices Internal Medicine Physician in New York, NY.
Where does Dr. Xi Gu practice?
Dr. Xi Gu practices at 15 Elizabeth St, New York, NY 100134803. Office phone: 2122741705.
What is Dr. Xi Gu's NPI?
Dr. Xi Gu's National Provider Identifier (NPI) is 1831142843, issued by NPPES.
Does Dr. Xi Gu accept Medicare assignment?
Yes. Dr. Xi Gu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Xi Gu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.