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Erin Chong, MD

Obstetrics/Gynecology · Sunnyvale

NPI 1407111271

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
2
2 carriers
Office
1

Offices

1 location · Sutter Bay Medical Foundation · 3,783 clinicians in this group

Looking this up.

Plans that list them

2 plans · 2 carriers

A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Chong’s office at (408) 739-6000 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.

2 of 2 plans

Plans whose provider directory lists this clinician
Alignment Health Sutter Advantage +More (HMO)Alignment Health PlanListedOct 3, 2026
DualConnect (HMO D-SNP)Santa Clara Family Health PlanListedSep 1, 2026

California Medical Board record

Licence A129139 · Current

Licensed to practise in California · since 2014 · expires 2028-03-31 · David Geffen School of Medicine at UCLA.

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

Original Medicare doctor bills

$1,843

Medicare paid this office $1,843 for 11 people.

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

Who their Medicare patients are

11 Original Medicare patients in 2024. Average age 72 · 85 and older 0% · Women 100% · Health risk score 0.78. At or below the middle of the specialty; the typical obstetrics & gynecology clinician is at 0.88.

The office billed $7,016, Medicare allowed $2,310 and paid $1,843; for 15 services of 8 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
20241115720.78$7,016$1,843
20231729720.54$13,540$3,411
20221323720.81$9,834$2,239
20211322670.72$5,911$1,965
20191533710.98$14,774$3,474
20182144720.82$14,027$3,871
20171731690.85$10,131$2,957

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

2018: 1 service

Original Medicare services billed in 2018
New patient visit (30+ min)11$998$91

Money from drug and device companies

$138 in 2025

A payment is not proof that care is biased.

Payments by company
AbbvieBotox$138
1 payment
  • Meals for Botox · 2025-02-19 · $138
See the published payment
Every published payment
AbbvieMeals · 2025-02-19Botox$138

Professional record

NPI
1407111271
Licence
CA A129139California A129139: Current · expires 2028-03-31
Trained
University of California, Geffen School of Medicine, 2012
Gender
Female
More record details
Sole proprietor
No
Taxonomy
Federal specialty code 207V00000X (207V00000X); Student in a training program (390200000X)
Mailing address
2350 W. El Camino Real, 2nd Floor, Mountain View, CA, 94040
NPI first listed
2012-07-09
NPI last updated
2016-10-10

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