Doctor profile · Federal record

Dr. Anni Xu

Emergency Medicine Physician (CMS: Emergency Medicine) · Williamsport, PA

  • NPI 1336553841
  • Accepts Medicare
  • MIPS 81.5 / 100 · 2023
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
700 High St
Williamsport, PA 177013100
(570) 321-2125
Mailing address
1201 Grampian Blvd
Williamsport, PA 177011900

Credentials & registration

NPPES · NUCC
NPI registered
June 2014 — 12 yrs on file
Profile last updated
December 5, 2025
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Pennsylvania #MD465161

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336553841. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
625
Distinct HCPCS
5
Medicare allowed
$91,045
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 308 294 $170
99284 Emergency department visit with moderate level of medical decision making 216 209 $117
99291 Critical care, first 30-74 minutes 54 53 $207
99283 Emergency department visit with low level of medical decision making 27 27 $70
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 20 20 $8

In context: peer comparison

Among 10 peers in this city , average services per provider: 80. This provider delivers 7.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
351
Patients
330
Total drug cost
$2,527
Drug Type Claims Patients Total cost
Cefdinir Generic 66 65 $1,104
Prednisone Generic 40 38 $101
Ondansetron Odt (Ondansetron) Brand 38 37 $287
Azithromycin Generic 36 34 $210
Cyclobenzaprine Hcl Generic 31 31 $157
Ciprofloxacin Hcl Generic 26 26 $135
Tramadol Hcl Generic 26 26 $62
Furosemide Generic 19 19 $39
Oxycodone Hcl Generic 18 18 $86
Methylprednisolone Generic 14 14 $87

Frequently asked questions

Auto-generated from federal data
What is Dr. Anni Xu's medical specialty?
Dr. Anni Xu practices Emergency Medicine Physician in Williamsport, PA.
Where does Dr. Anni Xu practice?
Dr. Anni Xu practices at 700 High St, Williamsport, PA 177013100. Office phone: 5703212125.
What is Dr. Anni Xu's NPI?
Dr. Anni Xu's National Provider Identifier (NPI) is 1336553841, issued by NPPES.
Does Dr. Anni Xu accept Medicare assignment?
Yes. Dr. Anni Xu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anni Xu commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.