HOLLY V. ALFREY-VAN DYK MD
NPI 1639106792
Obstetrics & Gynecology in Tuba City, AZ

Q: What is Holly Alfrey-van Dyk's NPI number?

The NPI number for Holly Alfrey-van Dyk is 1639106792. It was assigned to this individual provider in the NPPES registry on June 26, 2006. The provider is also known as Holly A. Van Dyk MD.

Q: What is Holly Alfrey-van Dyk's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Active since June 26, 2006PECOS Enrolled

167 NORTH MAIN STREET, TUBA CITY, AZ 86045(928) 283-2501(928) 283-2677 Get Directions Write a Review

NPPES record last updated: June 29, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Holly V. Alfrey-van Dyk Md NPPES

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

HOLLY V. ALFREY-VAN DYK MD (NPI 1639106792) is an individual obstetrics & gynecology provider in Tuba City, Arizona, licensed in Arizona (37165) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639106792

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameHOLLY V. ALFREY-VAN DYKCredential: MD

Location Address167 NORTH MAIN STREETTuba City, AZ 86045-0600

Mailing AddressPo Box 600, 167 North Main StreetTuba City, AZ 86045-0600 · (928) 283-2501 · Fax (928) 283-2677

Phone(928) 283-2501

Fax(928) 283-2677

Sole ProprietorNo

Enumeration DateJune 26, 2006

Last NPPES UpdateJune 29, 2011

✔ NPI 1639106792 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

Licenses✔ Licensed in AZ · 37165✔ Licensed in WA · 27719

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

167 NORTH MAIN STREET, Tuba City, AZ 86045

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Other Names 1

Other Name (5)Holly A. Van Dyk Md

Other Identifiers 2

Medicare UPINE98218

Medicaid418328AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Holly V. Alfrey-van Dyk 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

Medicare enrollment records show Holly Alfrey-van Dyk reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Tuba City Regional Health Care Corporation

Same address

General Acute Care Hospital

167 NORTH MAIN STREET
Tuba City, AZ 86045

Reassigned Medicare billing, Texas enrollment
540 clinicians in this Medicare group

NPI 1548294424 (928) 283-2501

Alaska Native Tribal Health Consortium

2,408 mi

General Acute Care Hospital

4315 DIPLOMACY DR
Anchorage, AK 99508

Reassigned Medicare billing, Texas enrollment
1,373 clinicians in this Medicare group

NPI 1437189339 (907) 563-2662

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 86045 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

$127.71 typical visit price

range $55.44 – $168.60

Typical copayment $31.92 (range $13.86 – $42.15)

Most-billed visit code 99204

Established Patient

$69.24 typical visit price

range $17.72 – $137.41

Typical copayment $17.31 (range $4.43 – $34.35)

Most-billed visit code 99213

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 20

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

JIMMIE L TAYLOR RN

Registered Nurse (Ambulatory Care)