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Physician

MICHAEL CHAI, M.D.

Internal Medicine

UPLAND, CA, 91786
NPI: 1083748727

Contact

Internal Medicine

UPLAND, CA

SAN ANTONIO REGIONAL HOSPITAL

909-985-2811

sarh.org

POMONA VALLEY HOSPITAL MEDICAL CENTER

909-865-9500

pvhmc.org

CASA COLINA HOSPITAL

909-596-7733

casacolina.org

Hospital Affiliations

Search procedure prices at these hospitals only

Common Procedures for Internal Medicine

Annual Physical ExamChronic Disease ManagementPreventive ScreeningBlood Pressure ManagementDiabetes ManagementCholesterol ManagementImmunizationsEKGSpirometryHealth Risk Assessment

Based on specialty. Actual services may vary — contact the provider's office to confirm.

Procedure Pricing (Medicare Data)

Based on CMS Medicare Provider Utilization data for 2023. These represent what this physician charged Medicare, not necessarily what you would pay. Compare with other physicians

ProcedureAvg ChargeMedicare AllowedMedicare PaidServices
99223
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
$400$182$14621
99233
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
$300$126$101133
99204
New patient office or other outpatient visit, 45-59 minutes
$275$175$8021
20610
Aspiration and/or injection of fluid from large joint
$233$67$5320
G0181
Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow
$220$109$8727
G0439
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
$200$136$136170
99214
Established patient office or other outpatient visit, 30-39 minutes
$200$134$97837
99213
Established patient office or other outpatient visit, 20-29 minutes
$175$95$67331
99348
Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes
$170$79$5729
99347
Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes
$135$46$3276
G0180
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and
$110$56$4529
G0405
Electrocardiogram, routine ecg with 12 leads; interpretation and report only, performed as a screening for the initial preventive physical examination
$100$8$6159
93000
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report
$100$15$1121
99212
Established patient office or other outpatient visit, 10-19 minutes
$100$60$40107
90662
Influenza vaccine split virus, preservative free
$80$72$7216
69210
Removal of impacted ear wax
$75$50$3628
G0008
Administration of influenza virus vaccine
$45$33$3314
96372
Injection of drug or substance under skin or into muscle
$35$15$11225
J3301
Injection, triamcinolone acetonide, not otherwise specified, 10 mg
$29$1$122
J2930
Injection, methylprednisolone sodium succinate, up to 125 mg
$25$5$449
J3420
Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg
$22$2$132

Compare prices for procedures performed by Internal Medicine physicians

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Physician identity data from the NPPES NPI Registry. Last synced 3/28/2026.