Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. DAVID C GEIER M.D.
NPI 1649273913
Family Medicine in Williston, ND

Q: What is David Geier's NPI number?

The NPI number for David Geier is 1649273913. It was assigned to this individual provider in the NPPES registry on May 31, 2005.

Q: What is David Geier's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for David Geier was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days 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.

Active since May 31, 2005PECOS Enrolled

3 4TH ST E, WILLISTON, ND 58801(701) 577-6337(701) 577-6338 Get Directions Write a Review

NPPES record last updated: August 19, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 19, 2026, Jan 16, 2019 (2 updates tracked since 2019).

On this page

About Dr. David C Geier M.d. NPPES

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

DR. DAVID C GEIER M.D. (NPI 1649273913) is an individual family medicine provider in Williston, North Dakota, licensed in North Dakota (9477) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS, is affiliated with Mckenzie County Healthcare Systems Inc, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1649273913

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameDR. DAVID C GEIERCredential: M.D.

Location Address3 4TH ST EWilliston, ND 58801-5350

Mailing Address709 4th Ave NeWatford City, ND 58854-7628 · (701) 842-3000 · Fax (701) 842-6248

Phone(701) 577-6337

Fax(701) 577-6338

Sole ProprietorNo

Medical School CMSLoma Linda University School Of MedicineGraduated 2000

Enumeration DateMay 31, 2005

Last NPPES UpdateAugust 19, 20262 updates tracked since enumeration

NPPES CertifiedAugust 19, 2026

✔ NPI 1649273913 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in ND · 9477

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.

3 4TH ST E, Williston, ND 58801

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Secondary Practice Locations 3

Location 111753 highway 200Cooperstown, ND 58425 · Phone (701) 797-2840

Location 21542 16th St W Ste 300Williston, ND 58801-3888 · Phone (701) 577-6337 · Fax (701) 609-5232

Location 3709 4th Ave NEWatford City, ND 58854-7628 · Phone (701) 842-3000 · Fax (701) 842-6248

Other Identifiers 1

Medicaid12735ND

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of North Dakota, Medica, Sanford Health Plan.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

Dr. David C Geier M.d. 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 ID1557255841

PECOS Enrollment IDI20040209000867

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.

Hospital Affiliations CMS Care Compare

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

Mckenzie County Healthcare Systems Inc

Critical Access Hospitals · Watford City, ND

OwnershipVoluntary non-profit - Private

CMS Certification Number351302

Location709 4th Ave NEWatford City, ND 58854 · Mckenzie County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 58801 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

$85.71 typical visit price

range $55.75 – $168.12

Typical copayment $21.42 (range $13.93 – $42.03)

Most-billed visit code 99203

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.

Other Providers at the Same Location NPPES 8

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

ALEXIS BARTEN PT, DPT

Physical Therapist

3 4TH ST E, STE 103
WILLISTON, ND 58801

Williams County (701) 577-6337

FAIRLIGHT MEDICAL CENTER

Clinic/Center (Urgent Care)

3 4TH ST E, SUITE 101
WILLISTON, ND 58801

Williams County (701) 577-6337

WILLISTON RADIOLOGY CONSULTANTS PC

Clinic/Center (Urgent Care)

3 4TH ST E, SUITE 201
WILLISTON, ND 58801

Williams County (701) 577-6337

MCKENZIE COUNTY HEALTHCARE SYSTEMS INC

Family Medicine

3 4TH ST E
WILLISTON, ND 58801

Williams County (701) 577-6337

MISTY K FALCON NP

Nurse Practitioner (Family)

3 4TH ST E
WILLISTON, ND 58801

Williams County (701) 577-9255

DR. LESZEK J JASZCZAK M.D.

Radiology (Diagnostic Radiology)

3 4TH ST E, SUITE 201
WILLISTON, ND 58801

Williams County (701) 577-6337

FAIRLIGHT MEDICAL CENTER

Clinic/Center (Urgent Care)

3 4TH ST E
WILLISTON, ND 58801

Williams County (701) 577-6337

WILLISTON RADIOLOGY CONSULTANTS PC

Specialist

3 4TH ST E, SUITE 201
WILLISTON, ND 58801

Williams County (701) 577-4867

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 David Geier's NPI number?

The NPI number for David Geier is 1649273913. It was assigned to this individual provider in the NPPES registry on May 31, 2005.

Where is David Geier located?

David Geier practices at 3 4th St E, Williston, ND 58801. The listed phone number is (701) 577-6337.

What is David Geier's specialty?

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

Is David Geier enrolled in Medicare?

Yes. David Geier 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 David Geier accept?

Health plans from Blue Cross Blue Shield of North Dakota, Medica and Sanford Health Plan list David Geier 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 David Geier affiliated with any hospitals?

According to CMS data, David Geier is affiliated with Mckenzie County Healthcare Systems Inc.

When was this NPI record last updated?

The NPPES record for David Geier was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days 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.