WILLIAM J ZAKS MD
NPI 1437249307
Internal Medicine - Endocrinology, Diabetes & Metabolism in Grand Forks, ND

Active since October 13, 2006PECOS EnrolledAccepts Medicare Assignment
1380 S COLUMBIA RD, GRAND FORKS, ND 58201(701) 795-2000 Get Directions Write a Review

NPPES record last updated: October 1, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 1, 2020, Feb 25, 2019 (2 updates tracked since 2019).

About William J Zaks Md NPPES

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

WILLIAM J ZAKS MD (NPI 1437249307) is an individual endocrinology, diabetes & metabolism provider in Grand Forks, North Dakota, licensed in North Dakota (7435) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Altru Hospital, and is a graduate of University Of Virginia School Of Medicine (1987).

NPPES Registry Identity

NPI1437249307
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameWILLIAM J ZAKSCredential: MD
Location Address1380 S COLUMBIA RDGrand Forks, ND 58201-4059
Mailing Address2401 Demers AveGrand Forks, ND 58201 · (701) 780-1891
Sole ProprietorNo
Medical School CMSUniversity Of Virginia School Of MedicineGraduated 1987
Enumeration DateOctober 13, 2006
Last NPPES UpdateOctober 1, 20202 updates tracked since enumeration
NPPES CertifiedOctober 1, 2020
NPI 1437249307 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in ND · 7435
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
1380 S COLUMBIA RD, Grand Forks, ND 58201

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

William J Zaks Md 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 ID4183740400
PECOS Enrollment IDI20100923001376
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.

Areas of Expertise CMS Part B claims 10

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.
435 services240 patients
Removal of fingernails or toenails, 6 or more nails 11721
This procedure involves the removal of six or more fingernails or toenails. It's typically done to treat severe nail infections, persistent pain, or abnormal nail growth. Local anesthesia is used to minimize discomfort. Healing usually takes a few weeks.
264 services139 patients
Face-to-face behavioral counseling for obesity, 15 minutes G0447
This is a 15-minute consultation where a healthcare professional discusses your eating habits, physical activity, and goals to help manage your weight. The aim is to provide personalized strategies to promote a healthier lifestyle and combat obesity.
251 services48 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
94 services65 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
43 services43 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
37 services34 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Altru Hospital

Acute Care Hospitals · Grand Forks, ND
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number350019
Location1200 S Columbia RdGrand Forks, ND 58201 · Grand Forks County
Emergency services Birthing friendly

First Care Health Center

Critical Access Hospitals · Park River, ND
OwnershipVoluntary non-profit - Private
CMS Certification Number351326
Location115 Vivian StPark River, ND 58270 · Walsh County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 58201 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
$127.45 typical visit price
range $55.75 – $168.12
Typical copayment $31.86 (range $13.93 – $42.03)
Most-billed visit code 99204
Established Patient
$98.29 typical visit price
range $18.11 – $137.65
Typical copayment $24.57 (range $4.52 – $34.41)
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 13

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

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
8 suppliers55 claims702 services$18.59 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
8 suppliers53 claims1,715 services$2.39 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
25 suppliers238 claims574 services$5.59 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
14 suppliers43 claims61 services$0.84 avg. paid by Medicare
For diabetics only, fitting (including follow-up), custom preparation and supply of off-the-shelf depth-inlay shoe manufactured to accommodate multi-density insert(s), per shoe A5500
DME-Orthotic Devices · category DF000N
1 supplier13 claims26 services$61.43 avg. paid by Medicare
For diabetics only, multiple density insert, custom molded from model of patient's foot, total contact with patient's foot, including arch, base layer minimum of 3/16 inch material of shore a 35 durometer (or higher), includes arch filler and other shaping material, custom fabricated, each A5513
DME-Orthotic Devices · category DF000N
1 supplier13 claims28 services$37.36 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.

Nurse Practitioner (Family)
1380 S COLUMBIA RD
GRAND FORKS, ND 58201
Family Medicine
1380 S COLUMBIA RD
GRAND FORKS, ND 58201
Family Medicine
1380 S COLUMBIA RD
GRAND FORKS, ND 58201
Non-Pharmacy Dispensing Site
1380 S COLUMBIA RD
GRAND FORKS, ND 58201
Family Medicine
1380 S COLUMBIA RD
GRAND FORKS, ND 58201
Family Medicine
1380 S COLUMBIA RD
GRAND FORKS, ND 58201
Family Medicine
1380 S COLUMBIA RD
GRAND FORKS, ND 58201
Family Medicine
1380 S COLUMBIA RD
GRAND FORKS, ND 58201

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 William Zaks's NPI number?

The NPI number for William Zaks is 1437249307. It was assigned to this individual provider in the NPPES registry on October 13, 2006.

Where is William Zaks located?

William Zaks practices at 1380 S Columbia Rd, Grand Forks, ND 58201. The listed phone number is (701) 795-2000.

What is William Zaks's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is William Zaks enrolled in Medicare?

Yes. William Zaks 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.

What insurance does William Zaks accept?

Health plans from Blue Cross Blue Shield of North Dakota, Medica and Sanford Health Plan list William Zaks as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Zaks affiliated with any hospitals?

According to CMS data, William Zaks is affiliated with Altru Hospital and First Care Health Center.

When was this NPI record last updated?

The NPPES record for William Zaks was last updated on October 1, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.