Doctor profile · Federal record

Dr. Joseph Xu, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Elk Grove, CA

  • NPI 1194389809
  • Accepts Medicare
  • 7 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8170 Laguna Blvd Ste 101
Elk Grove, CA 957587902
(916) 478-6565
Mailing address
Po Box 255228
Sacramento, CA 958655228

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
January 12, 2024
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
California #A180773 · New York #309778-01

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194389809. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
612
Distinct HCPCS
7
Medicare allowed
$66,838
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 221 163 $114
99213 Established patient office or other outpatient visit, 20-29 minutes 153 140 $81
99215 Established patient office or other outpatient visit, 40-54 minutes 85 69 $149
99204 New patient office or other outpatient visit, 45-59 minutes 68 68 $168
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing 54 48 $7
99203 New patient office or other outpatient visit, 30-44 minutes 20 20 $109
99205 New patient office or other outpatient visit, 60-74 minutes 11 11 $228

In context: peer comparison

Among 8 peers in Elk Grove Internal Medicine Physician, average services per provider: 97. This provider delivers 6.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
739
Patients
287
Total drug cost
$12,240
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 121 38 $987
Atorvastatin Calcium Generic 97 35 $1,881
Losartan Potassium Generic 70 28 $1,160
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 48 25 $1,150
Lisinopril Generic 44 19 $693
Omeprazole Generic 42 17 $1,012
Metoprolol Succinate Generic 41 18 $1,053
Levothyroxine Sodium Generic 39 17 $645
Pantoprazole Sodium Generic 39 18 $778
Tamsulosin Hcl Generic 39 14 $625

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Joseph Xu's medical specialty?
Dr. Joseph Xu practices Internal Medicine Physician in Elk Grove, CA.
Where does Dr. Joseph Xu practice?
Dr. Joseph Xu practices at 8170 Laguna Blvd Ste 101, Elk Grove, CA 957587902. Office phone: 9164786565.
What is Dr. Joseph Xu's NPI?
Dr. Joseph Xu's National Provider Identifier (NPI) is 1194389809, issued by NPPES.
Does Dr. Joseph Xu accept Medicare assignment?
Yes. Dr. Joseph Xu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Xu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.