Sam Mazj, MD
Internal Medicine Physician · Chico, California
NPI: 1043287378
5.0
31 reviews · WebMD
$238
First visit · CPT 99204
$157
Follow-up · CPT 99214
Chico
California · 9 visit types priced
What You’d Pay
The negotiated rate is the whole bill for a visit with Dr. Mazj; 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.
Visit
Deductible not met
Met, 20% coinsurance
Copay plan
First visit
New patient visit, 45–59 min · CPT: 99204
Follow-up
Follow-up visit, 30–39 min · CPT: 99214
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.
Not every visit needs an office. The Momentary app is AI primary care with real doctors, $19.99 a month for unlimited visits, prescriptions, lab orders and referrals; less than one $157 follow-up here.
Get the Momentary appNegotiated Rates
A new patient visit (45–59 min, CPT 99204) with Dr. Mazj has a UnitedHealthcare negotiated rate of $238, 9% below the California median of $262. A routine follow-up (CPT 99214) is $157. These are the in-network prices UnitedHealthcare published for Dr. Mazj’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$109–$295
15–29 min99202
7% below California median ($118)
$109
30–44 min99203
11% below California median ($176)
$157
45–59 min99204
9% below California median ($262)
$238
60–74 min99205
15% below California median ($346)
$295
Follow-up (established patient)$65–$209
10–19 min99212
28% below California median ($89)
$65
20–29 min99213
23% below California median ($137)
$106
plans $106–$120
30–39 min99214
19% below California median ($194)
$157
40–54 min99215
26% below California median ($284)
$209
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.
Established patient$136
Age 1–499392
23% below California median ($176)
$136
In-office add-ons and telehealth
Billed on top of a visit, plus phone or portal visits.
Billed on top of a visit$18–$32
Vaccine administration, each additional vaccine90472
$18
Electrocardiogram (ECG) with interpretation93000
$32
Phone and online visits$39
Telephone visit, 11–20 minutes99442
$39
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$56–$313
Initial hospital care, low complexity99221
$140
Initial hospital care, moderate complexity99222
$191
Initial hospital care, high complexity99223
$281
Subsequent hospital care, low complexity99231
$56
Subsequent hospital care, moderate complexity99232
$102
Subsequent hospital care, high complexity99233
$146
Hospital discharge, 30 minutes or less99238
$103
Hospital discharge, more than 30 minutes99239
$150
Emergency department visit, low complexity99283
$87
Critical care, first 30–74 minutes99291
$313
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
5.0
Mostly positive · 31 reviews on WebMD
Reviews checked March 2026
Patients praise
- Thorough and attentive care
- Explains conditions clearly
- Builds trust and comfort
Patients criticize
- Occasional issues with wait times
- Need for better scheduling communication
Themes and ratings come from public listings on WebMD; we do not collect or host reviews.
California Market
California internal medicine physicians 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. Mazj.
Doctor
New patient visit, 45–59 min
Follow-up
Rating
Dr. Sam Mazj, MD this page
5.0 (31)
$238
New patient visit, 45–59 min
$157
follow-up
5.0
31 reviews
About
Specialty
Internal Medicine Physician
Credentials
MD
NPI Number
1043287378CA Medical License
#A86201In Federal Registry Since
2006
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.
Additional Specialties
Location
Address
265 COHASSET RD
SUITE 170
Chico, CA 95926
Phone
(530) 893-2323Questions
- How much does a first visit with Dr. Mazj cost?
- Dr. Mazj's negotiated rate with UnitedHealthcare for a new patient office visit, moderate-complexity decision-making, 45–59 minutes is $238, 9% below 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. Mazj?
- An established patient office visit, moderate-complexity decision-making, 30–39 minutes is $157, 19% below the California median of $194. Most routine primary care follow-ups are billed as 99213 or 99214.
- Does Dr. Mazj accept UnitedHealthcare?
- These rates were published in UnitedHealthcare's in-network price transparency file in February 2026, which indicates Dr. Mazj was in at least one UnitedHealthcare network at that time. Networks change and vary by plan, so confirm with the office at (530) 893-2323 before booking.