Doctor profile · Federal record

Dr. Kristhiam Gonzalez Guiza, M.D., M.P.H

Emergency Medicine Physician (CMS: Emergency Medicine) · Student in an Organized Health Care Education/Training Program · Valhalla, NY

  • NPI 1760883227
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Woods RD
Valhalla, NY 105951530
(914) 493-7000
Mailing address
3 Century Drive
Pasippany, NJ 070544888

Credentials & registration

NPPES · NUCC
NPI registered
September 2014 — 12 yrs on file
Profile last updated
July 25, 2023
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
New York #289510

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1760883227. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
354
Distinct HCPCS
4
Medicare allowed
$58,064
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 205 201 $185
99284 Emergency department visit with moderate level of medical decision making 116 116 $125
99291 Critical care, first 30-74 minutes 22 22 $220
99283 Emergency department visit with low level of medical decision making 11 11 $71

In context: peer comparison

Among 9 peers in this city , average services per provider: 54. This provider delivers 6.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
127
Patients
126
Total drug cost
$1,277
Drug Type Claims Patients Total cost
Cefuroxime (Cefuroxime Axetil) Brand 33 32 $671
Doxycycline Hyclate Generic 21 21 $328
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 21 21 $81
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 16 16 $37
Prednisone Generic 13 13 $33
Ondansetron Odt (Ondansetron) Brand 12 12 $61
Levofloxacin Generic 11 11 $65

Frequently asked questions

Auto-generated from federal data
What is Dr. Kristhiam Gonzalez Guiza's medical specialty?
Dr. Kristhiam Gonzalez Guiza practices Emergency Medicine Physician in Valhalla, NY.
Where does Dr. Kristhiam Gonzalez Guiza practice?
Dr. Kristhiam Gonzalez Guiza practices at 100 Woods RD, Valhalla, NY 105951530. Office phone: 9144937000.
What is Dr. Kristhiam Gonzalez Guiza's NPI?
Dr. Kristhiam Gonzalez Guiza's National Provider Identifier (NPI) is 1760883227, issued by NPPES.
Does Dr. Kristhiam Gonzalez Guiza accept Medicare assignment?
Yes. Dr. Kristhiam Gonzalez Guiza accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kristhiam Gonzalez Guiza 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.