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

SHEILA M MACKELL MD
NPI 1629060439
Pediatrics in Flagstaff, AZ

Q: What is Sheila Mackell's NPI number?

The NPI number for Sheila Mackell is 1629060439. It was assigned to this individual provider in the NPPES registry on August 17, 2005.

Q: What is Sheila Mackell's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Sheila Mackell was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 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 August 17, 2005

77 W FOREST AVE, SUITE 304, FLAGSTAFF, AZ 86001(928) 214-3600(928) 214-3601 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Sheila M Mackell Md NPPES

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

SHEILA M MACKELL MD (NPI 1629060439) is an individual pediatrics provider in Flagstaff, Arizona, licensed in Arizona (29039) and active in the NPI registry since August 2005.

NPPES Registry Identity

NPI1629060439

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameSHEILA M MACKELLCredential: MD

Location Address77 W FOREST AVE, SUITE 304Flagstaff, AZ 86001-1479

Mailing Address77 W Forest Ave, Suite 304Flagstaff, AZ 86001-1479 · (928) 214-3600 · Fax (928) 214-3601

Phone(928) 214-3600

Fax(928) 214-3601

Sole ProprietorNo

Enumeration DateAugust 17, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1629060439 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in AZ · 29039

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

77 W FOREST AVE, Flagstaff, AZ 86001

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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.

DANIEL E WESCHE MD

Surgery

77 W FOREST AVE, SUITE 201
FLAGSTAFF, AZ 86001

Coconino County (928) 773-2222

MS. SHERRY ANN MACE FNP

Nurse Practitioner (Family)

77 W FOREST AVE, SUITE 301
FLAGSTAFF, AZ 86001

Coconino County (928) 773-2538

NEINA ORRILLO CRNA

Nurse Anesthetist, Certified Registered

77 W FOREST AVE, SUITE 207
FLAGSTAFF, AZ 86001

Coconino County (928) 773-2505

BARBARA L. BOSCH M.D.

Pediatrics

77 W FOREST AVE, SUITE 304
FLAGSTAFF, AZ 86001

Coconino County (928) 214-3600

DR. DOUGLAS DEAN LEE MD

Anesthesiology

77 W FOREST AVE, SUITE 207
FLAGSTAFF, AZ 86001

Coconino County (928) 773-2505

NORTHERN ARIZONA CARDIOVASCULAR SPECIALISTS PC

Internal Medicine (Cardiovascular Disease)

77 W FOREST AVE, SUITE 302
FLAGSTAFF, AZ 86001

Coconino County (928) 214-0470

DR. GARY STEVEN CHRISTENSEN MD

Anesthesiology

77 W FOREST AVE, SUITE 207
FLAGSTAFF, AZ 86001

Coconino County (928) 773-2505

LEE B MCGAREY MD

Pediatrics

77 W FOREST AVE, SUITE 304
FLAGSTAFF, AZ 86001

Coconino County (928) 214-3600

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 Sheila Mackell's NPI number?

The NPI number for Sheila Mackell is 1629060439. It was assigned to this individual provider in the NPPES registry on August 17, 2005.

Where is Sheila Mackell located?

Sheila Mackell practices at 77 W Forest Ave Suite 304, Flagstaff, AZ 86001. The listed phone number is (928) 214-3600.

What is Sheila Mackell's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

When was this NPI record last updated?

The NPPES record for Sheila Mackell was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 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.