1. Home
  2. Directory
  3. Missouri
  4. Hollister
  5. Family Medicine
  6. NPI Profile

WILLIAM M ZELLER MD
NPI 1356386502
Family Medicine in Hollister, MO

Active since June 19, 2006PECOS Enrolled
290 CLIFT CT, HOLLISTER, MO 65672(417) 336-4355(417) 337-5141 Get Directions Write a Review

NPPES record last updated: October 20, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About William M Zeller Md NPPES

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

WILLIAM M ZELLER MD (NPI 1356386502) is an individual family medicine provider in Hollister, Missouri, licensed in Missouri (R5604) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1356386502
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameWILLIAM M ZELLERCredential: MD
Location Address290 CLIFT CTHollister, MO 65672-5947
Mailing AddressPo Box 505164Saint Louis, MO 63150-5164 · (417) 829-4620
Phone(417) 336-4355
Fax(417) 337-5141
Sole ProprietorNo
Enumeration DateJune 19, 2006
Last NPPES UpdateOctober 20, 2014
✔ NPI 1356386502 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MO · R5604
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
290 CLIFT CT, Hollister, MO 65672
Open in Google Maps ↗

Other Identifiers 3

Medicare UPINA13126MO
Medicaid200252815MO
Medicare PIN136650003MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Health Advantage, Octave.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William M Zeller Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 William Zeller reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mercy Clinic Springfield Communities
37 mi
Family Medicine
3231 S NATIONAL AVE STE 220
Springfield, MO 65807
  • Reassigned Medicare billing, Missouri enrollment
  • 1,565 clinicians in this Medicare group
NPI 1245277631 (855) 420-7900
Advocates For A Healthy Community, Inc
41 mi
Federally Qualified Health Center (FQHC)
440 E TAMPA ST
Springfield, MO 65806
  • Reassigned Medicare billing, Missouri enrollment
  • 182 clinicians in this Medicare group
NPI 1558303057 (417) 831-0150

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 65672 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
$81.64 typical visit price
range $52.28 – $161.24
Typical copayment $20.41 (range $13.07 – $40.31)
Most-billed visit code 99203
Established Patient
$93.24 typical visit price
range $16.30 – $131.05
Typical copayment $23.31 (range $4.07 – $32.76)
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 2

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

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers24 claims24 services$100.43 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier24 claims24 services$200.12 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 4

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

MERCY CLINIC SPRINGFIELD COMMUNITIES
Family Medicine
290 CLIFT CT
HOLLISTER, MO 65672
Taney County (417) 829-4620
MELONIE RENEE ROBERTS FNP-BC
Nurse Practitioner (Family)
290 CLIFT CT
HOLLISTER, MO 65672
Taney County (417) 336-4355
MERCY CLINIC-SPRINGFIELD COMMUNITIES
Clinic/Center (Rural Health)
290 CLIFT CT
HOLLISTER, MO 65672
Taney County (417) 336-4355
ADAM R WOZNIAK D.O.
Family Medicine
290 CLIFT CT
HOLLISTER, MO 65672
Taney County (417) 336-4355

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 Zeller's NPI number?

The NPI number for William Zeller is 1356386502. It was assigned to this individual provider in the NPPES registry on June 19, 2006.

Where is William Zeller located?

William Zeller practices at 290 Clift Ct, Hollister, MO 65672. The listed phone number is (417) 336-4355.

What is William Zeller's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is William Zeller enrolled in Medicare?

Yes. William Zeller is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for William Zeller's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Zeller reassigns Medicare benefits to 2 organizations: Mercy Clinic Springfield Communities (Springfield, MO) and Advocates For A Healthy Community, Inc (Springfield, MO). 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 William Zeller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Zeller accept?

Health plans from Health Advantage and Octave list William Zeller 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.

When was this NPI record last updated?

The NPPES record for William Zeller was last updated on October 20, 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.