WILLIAM E. MERRELL M.D.
NPI 1942339254
Internal Medicine in Prescott Valley, AZ

Q: What is William Merrell's NPI number?

The NPI number for William Merrell is 1942339254. It was assigned to this individual provider in the NPPES registry on March 4, 2007.

Q: What is William Merrell's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for William Merrell was last updated on April 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since March 04, 2007PECOS Enrolled

3221 N WINDSONG DR, PRESCOTT VALLEY, AZ 86314(928) 910-7010(928) 910-7011 Get Directions Write a Review

NPPES record last updated: April 22, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 22, 2020, Feb 3, 2020 (2 updates tracked since 2020).

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About William E. Merrell M.d. NPPES

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

WILLIAM E. MERRELL M.D. (NPI 1942339254) is an individual internal medicine provider in Prescott Valley, Arizona, licensed in Arizona (11399) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1942339254

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameWILLIAM E. MERRELLCredential: M.D.

Location Address3221 N WINDSONG DRPrescott Valley, AZ 86314-1222

Mailing AddressPo Box 10880Prescott, AZ 86304-0880 · (928) 759-5987 · Fax (928) 458-2039

Phone(928) 910-7010

Fax(928) 910-7011

Sole ProprietorNo

Enumeration DateMarch 4, 2007

Last NPPES UpdateApril 22, 20202 updates tracked since enumeration

NPPES CertifiedApril 22, 2020

✔ NPI 1942339254 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in AZ · 11399

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedSpecialistTaxonomy 174400000X · License 11399 (AZ)

3221 N WINDSONG DR, Prescott Valley, AZ 86314

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Other Identifiers 1

Other11399AZ · Az License

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William E. Merrell M.d. 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 86314 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

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

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 3

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

3 suppliers14 claims54 services$5.27 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier15 claims15 services$18.05 avg. paid by Medicare

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

3 suppliers58 claims58 services$88.96 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 6

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

DR. PEDRO L FARINHA M.D.

Internal Medicine