WILSON MAK FNP
NPI 1922427665
Nurse Practitioner - Family in Modesto, CA

Active since April 09, 2014PECOS EnrolledAccepts Medicare Assignment
1114 6TH ST, MODESTO, CA 95354(209) 576-2845(209) 576-8842 Get Directions Write a Review

NPPES record last updated: April 9, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Wilson Mak Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILSON MAK FNP (NPI 1922427665) is an individual family provider in Modesto, California, licensed in California (95000312) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1922427665
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameWILSON MAKCredential: FNP
Location Address1114 6TH STModesto, CA 95354-2203
Mailing Address737 W Childs Ave, Credentialing DepartmentMerced, CA 95341-6805 · (209) 383-1848 · Fax (209) 383-1296
Fax(209) 576-8842
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateApril 9, 2014
✔ NPI 1922427665 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 95000312
Also ListedRegistered NurseTaxonomy 163W00000X · License 812700 (CA)
1114 6TH ST, Modesto, CA 95354

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Wilson Mak Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2961626304
PECOS Enrollment IDI20140605000432
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Wilson Mak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Urgent Care
2920 TELEGRAPH AVE
Berkeley, CA 94705
  • Reassigned Medicare billing, California enrollment
  • 241 clinicians in this Medicare group
Multi-Specialty
2920 TELEGRAPH AVE STE 100
Berkeley, CA 94705
  • Reassigned Medicare billing, California enrollment
  • 21 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
20 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95354 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.32 typical visit price
range $58.87 – $176.60
Typical copayment $22.58 (range $14.71 – $44.15)
Most-billed visit code 99203
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
6 suppliers15 claims28 services$4.71 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant (Medical)
1114 6TH ST
MODESTO, CA 95354
Nurse Practitioner
1114 6TH ST
MODESTO, CA 95354
Nurse Practitioner (Family)
1114 6TH ST
MODESTO, CA 95354
Nurse Practitioner (Family)
1114 6TH ST
MODESTO, CA 95354
Social Worker (Clinical)
1114 6TH ST
MODESTO, CA 95354
Obstetrics & Gynecology
1114 6TH ST
MODESTO, CA 95354
Social Worker (Clinical)
1114 6TH ST
MODESTO, CA 95354
Physician Assistant (Medical)
1114 6TH ST
MODESTO, CA 95354

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Wilson Mak's NPI number?

The NPI number for Wilson Mak is 1922427665. It was assigned to this individual provider in the NPPES registry on April 9, 2014.

Where is Wilson Mak located?

Wilson Mak practices at 1114 6th St, Modesto, CA 95354. The listed phone number is (209) 576-2845.

What is Wilson Mak's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Wilson Mak enrolled in Medicare?

Yes. Wilson Mak is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Wilson Mak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Wilson Mak reassigns Medicare benefits to 2 organizations: Carbon Health Medical Group Of California PC (Berkeley, CA) and Carbon Health Primary Care Of California PC (Berkeley, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Wilson Mak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Wilson Mak was last updated on April 9, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.