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Steven Chang, MD

Anesthesiology · San Jose

NPI 1427090414

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
Not verified
Not the same as out of network.
Office
1

Offices

1 location · G2 Anesthesia PC · 104 clinicians in this group

Looking this up.

Plan participation

Not verified

We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Dr. Chang’s office at (408) 559-2011 to ask if they take your plan before you enroll.

California Medical Board record

Licence G70914 · Current

Licensed to practise in California · since 1991 · expires 2028-12-31 · Duke University School of Medicine.

No disciplinary actions, convictions, malpractice judgments or citations in this record.

Original Medicare doctor bills

$14,271

Medicare paid this office $14,271 for 108 people.

This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.

Largest Original Medicare bills
Anesthesia for lens surgery28$3,431$123
Anesthesia for other procedure on large bowel using an endoscope22$2,469$112
Anesthesia for procedure on small and large bowel using an endoscope11$1,509$137
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope13$1,508$116

Who their Medicare patients are

108 Original Medicare patients in 2024. Average age 75 · Women 54% · Also on Medicaid 10% · Health risk score 0.93. At or below the middle of the specialty; the typical anesthesiology clinician is at 1.54.

Conditions among them: High blood pressure 68% · Cancer 28% · Coronary heart disease 24% · Diabetes 22% · Chronic kidney disease 18% · Depression 16% · Atrial fibrillation 13% · COPD 11%.

The office billed $212,250, Medicare allowed $17,621 and paid $14,271; for 108 services of 21 kinds.

Original Medicare patients only. A risk score of 1.0 is the average Medicare patient; higher means sicker. Any count under 11 is hidden.

Year by year

Original Medicare by year
2024108108750.93$212,250$14,271
2023250256740.98$409,000$34,503
2022223227740.92$446,706$32,679
2021253256730.92$482,712$34,811
2020246253741.01$508,458$36,164
2019330339741.15$655,119$47,863
2018401418731.19$833,222$59,556
2017309327741.33$672,051$49,271
2016324382741.52$792,736$58,606
2015131171721.45$318,610$24,061
2013243297731.73$350,969$51,205

Original Medicare only. A service billed for fewer than 11 people in a year is hidden, so the lines can add up to less than the year's total.

See the services billed each year

2023: 5 services

Original Medicare services billed in 2023
Anesthesia for other procedure on large bowel using an endoscope57$6,809$119
Anesthesia for procedure on small and large bowel using an endoscope36$4,957$138
Anesthesia for lens surgery44$4,956$110
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope30$3,501$117
Anesthesia for exam of colon using an endoscope21$2,393$114

2022: 7 services

Original Medicare services billed in 2022
Anesthesia for lens surgery54$7,019$123
Anesthesia for other procedure on large bowel using an endoscope39$5,166$132
Anesthesia for procedure on small and large bowel using an endoscope23$3,234$141
Anesthesia for exam of colon using an endoscope15$1,690$113
Anesthesia for other procedure on skin of arms, legs, and front body13$1,615$124
Anesthesia for procedure on anus and rectum11$1,529$139
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope13$1,508$116

2021: 5 services

Original Medicare services billed in 2021
Anesthesia for lens surgery74$9,122$122
Anesthesia for other procedure on large bowel using an endoscope45$6,297$140
Anesthesia for procedure on small and large bowel using an endoscope31$4,410$142
Anesthesia for exam of colon using an endoscope37$4,317$114
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope25$2,954$118

2020: 7 services

Original Medicare services billed in 2020
Anesthesia for lens surgery80$10,168$126
Anesthesia for procedure on small and large bowel using an endoscope24$3,458$144
Anesthesia for other procedure on large bowel using an endoscope24$3,171$127
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope24$3,014$121
Anesthesia for exam of colon using an endoscope19$2,212$116
Anesthesia for other procedure on eye11$1,753$159
Anesthesia for other procedure on skin of arms, legs, and front body11$1,528$139

2019: 6 services

Original Medicare services billed in 2019
Anesthesia for lens surgery133$17,314$126
Anesthesia for other procedure on large bowel using an endoscope39$5,260$135
Anesthesia for procedure on small and large bowel using an endoscope27$3,904$145
Anesthesia for exam of colon using an endoscope29$3,421$118
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope24$2,922$122
Anesthesia for procedure on eyelid12$1,835$153

2018: 6 services

Original Medicare services billed in 2018
Anesthesia for lens surgery96$12,887$128
Anesthesia for other procedure on large bowel using an endoscope59$7,878$134
Anesthesia for procedure on small and large bowel using an endoscope55$7,840$143
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope50$6,577$129
Anesthesia for exam of colon using an endoscope44$5,068$115
Anesthesia for other procedure on lower leg, ankle, and foot bones13$2,397$184

2017: 4 services

Original Medicare services billed in 2017
Anesthesia for lens surgery127$16,154$121
Anesthesia for procedure on lower intestine using an endoscope44$6,408$146
Anesthesia for procedure on gastrointestinal tract using an endoscope25$3,293$132
Anesthesia for other procedure on skin of arms, legs, and front body14$1,929$138

2016: 7 services

Original Medicare services billed in 2016
Anesthesia for lens surgery131$17,282$126
Anesthesia for other procedure on skin of arms, legs, and front body18$2,551$142
Anesthesia for procedure on lower intestine using an endoscope16$2,417$151
Anesthesia for procedure on gastrointestinal tract using an endoscope15$2,131$142
Insertion of artery tube for blood sampling or infusion through skin16$693$43
Ultrasonic guidance for needle placement22$637$29
Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter11$631$57

2015: 4 services

Original Medicare services billed in 2015
Anesthesia for lens surgery34$4,348$124
Anesthesia for procedure on lower intestine using an endoscope15$2,314$154
Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter13$745$57
Ultrasonic guidance for needle placement16$455$28

2013: 5 services

Original Medicare services billed in 2013
Anesthesia for lens surgery64$8,238$129
Anesthesia for procedure for total knee joint replacement13$3,826$294
Anesthesia for procedure on gastrointestinal tract using an endoscope13$1,764$136
Injections of substances into lower or sacral spine18$1,408$78
Ultrasonic guidance for needle placement13$362$28

Money from drug and device companies

$49 in 2021

Industry payments by year
202111None$49
202011None$145
201911None$18

Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.

A payment is not proof that care is biased.

Payments by company
Acacia PharmaBarhemsys$49
1 payment
  • Meals for Barhemsys · 2021-08-09 · $49
See the published payment
Every published payment
Acacia PharmaMeals · 2021-08-09Barhemsys$49
See earlier years (2020, 2019)

2020: $145

Payments by company in 2020
Mallinckrodt Hospital ProductsOfirmev$145
1 payment
  • Meals for Ofirmev · 2020-02-05 · $145

2019: $18

Payments by company in 2019
OmerosOmidria$18
1 payment
  • Meals for Omidria · 2019-07-24 · $18

Professional record

NPI
1427090414
Licence
CA G70914California G70914: Current · expires 2028-12-31
Trained
Duke University School of Medicine, 1986
Gender
Male
More record details
Sole proprietor
No
Medicaid ID
CA 00G709141
Taxonomy
Federal specialty code 207L00000X (207L00000X)
Mailing address
2175 N California Blvd, Suite 425, Walnut Creek, CA, 94596
NPI first listed
2006-06-12
NPI last updated
2015-02-09

This is when the NPI record was last certified, not a medical board exam.