Profile last updated: March 2026How we source this data
EK
Provider Profile

Eric Kwok, MD

Internal Medicine Physician · San Francisco, California

NPI: 1447231618

Internal Medicine PhysicianUnitedHealthcare in-network

4.8

127 reviews · Healthgrades

$322

First visit · CPT 99204

$217

Follow-up · CPT 99214

San Francisco

California · 18 visit types priced

What You’d Pay

The negotiated rate is the whole bill for a visit with Dr. Kwok; there is no separate list price on top. How much of it lands on you depends on which of three situations your plan puts you in.

First visit

New patient visit, 45–59 min · CPT: 99204

Deductible not met$322
Met, 20% coinsuranceabout $64
Copay planyour copay

Follow-up

Follow-up visit, 30–39 min · CPT: 99214

Deductible not met$217
Met, 20% coinsuranceabout $43
Copay planyour copay

Annual physical

Annual physical, age 40–64 · CPT: 99396

Usually $0: in-network preventive visits are covered in full. Add-ons or a problem discussed during the visit are billed separately.

Coinsurance is shown at 20%, the most common in-network share; yours may be 10–40%. Primary care copays typically run $20–$50. Out-of-network or non-UnitedHealthcare plans will differ.

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Negotiated Rates

A new patient visit (45–59 min, CPT 99204) with Dr. Kwok has a UnitedHealthcare negotiated rate of $322, in line with the San Francisco median and 23% above the California median of $262. A routine follow-up (CPT 99214) is $217. These are the in-network prices UnitedHealthcare published for Dr. Kwok’s own NPI in February 2026; what you owe depends on your plan.

Office visits

Problem-focused appointments, priced by length and complexity. Most routine follow-ups bill as 99213 or 99214.

New patient$145–$425

15–29 min99202

22% above California median ($118)·Group rate shared by 14 of 19 San Francisco doctors

$145

30–44 min99203

24% above California median ($176)·Group rate shared by 14 of 19 San Francisco doctors

$218

45–59 min99204

23% above California median ($262)·Group rate shared by 14 of 20 San Francisco doctors

$322

60–74 min99205

23% above California median ($346)·Group rate shared by 14 of 19 San Francisco doctors

$425

Follow-up (established patient)$49–$351

Nurse visit99211

38% above California median ($35)·Group rate shared by 14 of 18 San Francisco doctors

$49

10–19 min99212

26% above California median ($89)·Group rate shared by 14 of 19 San Francisco doctors

$112

20–29 min99213

30% above California median ($137)·Group rate shared by 14 of 19 San Francisco doctors

$178

30–39 min99214

12% above California median ($194)·Group rate shared by 14 of 20 San Francisco doctors

$217

plans $183$251

40–54 min99215

24% above California median ($284)·Group rate shared by 14 of 19 San Francisco doctors

$351

plans $273$351

Compare across California:New patient visitsFollow-up visits

Annual physicals and preventive visits

Wellness visits by age band. Covered in full in-network on almost all plans; the rate matters when a problem raised during the physical is billed as a separate visit.

New patient$217–$293

Under 1 yr99381

within 5% of California median ($217)·Group rate shared by 14 of 15 San Francisco doctors

$217

Age 1–499382

17% above California median ($192)·Group rate shared by 14 of 16 San Francisco doctors

$225

Age 18–3999385

17% above California median ($219)·Group rate shared by 14 of 16 San Francisco doctors

$256

Age 40–6499386

23% above California median ($238)·Group rate shared by 14 of 18 San Francisco doctors

$293

Established patient$195–$244

Under 1 yr99391

24% above California median ($157)·Group rate shared by 14 of 15 San Francisco doctors

$195

Age 1–499392

17% above California median ($176)·Group rate shared by 14 of 17 San Francisco doctors

$207

Age 5–1199393

17% above California median ($176)·Group rate shared by 14 of 16 San Francisco doctors

$206

Age 18–3999395

22% above California median ($188)·Group rate shared by 14 of 19 San Francisco doctors

$229

Age 40–6499396

16% above California median ($210)·Group rate shared by 14 of 16 San Francisco doctors

$244

Compare across California:Annual physicals

In-office add-ons and telehealth

Billed on top of a visit, plus phone or portal visits.

Billed on top of a visit$7–$36

Blood draw (venipuncture)36415

$7

Vaccine administration, first vaccine90471

$34

Electrocardiogram (ECG) with interpretation93000

$28

Urinalysis, dipstick81002

$8

Blood glucose, fingerstick82962

$7

TB skin test86580

$23

Rapid strep test87880

$36

Phone and online visits$29–$178

Online (portal) visit, 5–10 minutes99421

$29

Telephone visit, 5–10 minutes99441

$112

Telephone visit, 11–20 minutes99442

$178

Hospital and emergency rates

Contract codes that do not apply to an office visit, including hospital, emergency and consult work this doctor may never bill. Shown for completeness.

Hospital, emergency and consult codes$71–$395

Initial hospital care, moderate complexity99222

$248

Initial hospital care, high complexity99223

$365

Subsequent hospital care, low complexity99231

$71

Subsequent hospital care, moderate complexity99232

$131

Subsequent hospital care, high complexity99233

$189

Hospital discharge, 30 minutes or less99238

$135

Hospital discharge, more than 30 minutes99239

$197

Emergency department visit, straightforward99282

$76

Emergency department visit, low complexity99283

$128

Emergency department visit, moderate complexity99284

$217

Emergency department visit, high complexity99285

$314

Critical care, first 30–74 minutes99291

$395

Rates are the median across UnitedHealthcare’s plan files for this doctor and code; where plans pay different amounts the range is shown underneath. The comparison is against the median among doctors listed on this site in the same city (when at least three report the code), otherwise statewide. Position counts every listed doctor in the city, lowest rate first.

Patient Reviews

4.8

Mostly positive · 127 reviews on Healthgrades

Reviews checked March 2026

Patients praise

  • Extensive experience in internal medicine
  • Explains conditions clearly
  • Attentive follow-up care

Patients criticize

  • Long wait times

Themes and ratings come from public listings on Healthgrades; we do not collect or host reviews.

Local Market

San Francisco primary care doctors with a published rate for new patient visit (45–59 min), cheapest first, with their public rating alongside. The cheapest and most expensive are always included, plus those priced closest to Dr. Kwok.

$229

New patient visit, 45–59 min

$150

follow-up

$229

New patient visit, 45–59 min

$150

follow-up

$238

New patient visit, 45–59 min

$157

follow-up

$271

New patient visit, 45–59 min

$180

follow-up

$271

New patient visit, 45–59 min

$178

follow-up

Dr. Eric Kwok, MD this page

4.8 (127)

$322

New patient visit, 45–59 min

$217

follow-up

See all 19 listed doctors in San Francisco

Same Contract

The same billing entity negotiates one UnitedHealthcare rate schedule for all of its doctors, so 13 other doctors listed in San Francisco have the same prices as Dr. Kwok. Pick among them on fit, availability and reviews; the bill will be the same.

About

Specialty

Internal Medicine Physician

Credentials

MD

NPI Number

1447231618

CA Medical License

#A24444

In Federal Registry Since

2005

Gender

Male

Practice Type

Solo Practice

NPIs were first issued in 2005, so the registry date is a floor on years in practice, not a measure of it. License status is verifiable with the Medical Board of California.

Location

Address

3838 CALIFORNIA ST

310

San Francisco, CA 94118

Questions

How much does a first visit with Dr. Kwok cost?
Dr. Kwok's negotiated rate with UnitedHealthcare for a new patient office visit, moderate-complexity decision-making, 45–59 minutes is $322, in line with the San Francisco median and 23% above the California median of $262. This is the total the insurer and patient pay together; if you have not met your deductible you may owe all of it, and with a copay plan you pay only the copay.
How much is a follow-up visit with Dr. Kwok?
An established patient office visit, moderate-complexity decision-making, 30–39 minutes is $217 (median; individual plans range $183–$251), in line with the San Francisco median and 12% above the California median of $194. Most routine primary care follow-ups are billed as 99213 or 99214.
Does Dr. Kwok accept UnitedHealthcare?
These rates were published in UnitedHealthcare's in-network price transparency file in February 2026, which indicates Dr. Kwok was in at least one UnitedHealthcare network at that time. Networks change and vary by plan, so confirm with the office at (415) 387-1534 before booking.