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DR. MICHELLE STARR GRUA MD
NPI 1205845815
Anesthesiology in Flagstaff, AZ

Active since August 05, 2006PECOS Enrolled
1200 N BEAVER ST, FLAGSTAFF, AZ 86001(928) 779-3366 Get Directions Write a Review

NPPES record last updated: September 10, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 10, 2020, Sep 24, 2018 (2 updates tracked since 2018).

About Dr. Michelle Starr Grua Md NPPES

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

DR. MICHELLE STARR GRUA MD (NPI 1205845815) is an individual anesthesiology provider in Flagstaff, Arizona, licensed in Arizona (27477) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Flagstaff.

NPPES Registry Identity

NPI1205845815
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameDR. MICHELLE STARR GRUACredential: MD
Location Address1200 N BEAVER STFlagstaff, AZ 86001-3118
Mailing Address1200 N Beaver StFlagstaff, AZ 86001-3118 · (928) 213-6235 · Fax (928) 213-6292
Phone(928) 779-3366
Sole ProprietorNo
Enumeration DateAugust 5, 2006
Last NPPES UpdateSeptember 10, 20202 updates tracked since enumeration
NPPES CertifiedSeptember 10, 2020
✔ NPI 1205845815 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in AZ · 27477
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
1200 N BEAVER ST, Flagstaff, AZ 86001
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Secondary Practice Location 1

Location 177 W Forest Ave Ste 117Flagstaff, AZ 86001-1482 · Phone (928) 773-2505 · Fax (928) 773-2504

Other Identifiers 1

Medicaid474263AZ

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Michelle Starr Grua 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 Reassignment

Medicare enrollment records show Michelle Grua reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Northern Arizona Healthcare Corporation
Same address
Family Medicine
1200 N. BEAVER STREET, ATTN: PAYER CREDENTIALING
Flagstaff, AZ 86001
  • Reassigned Medicare billing, Arizona enrollment
  • 552 clinicians in this Medicare group
NPI 1669914552 (928) 773-2546

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

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.

DR. JEREMY NIELSEN M.D.
Anesthesiology
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Coconino County (928) 779-3366
DR. SEAN DANIEL WOODS M.D.
Pediatrics (Neonatal-Perinatal Medicine)
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Coconino County (928) 773-2112
ELIZABETH GILMORE CRNA
Nurse Anesthetist, Certified Registered
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Coconino County (928) 779-3366
TANYA LEE MORGAN TWEED RDN
Dietitian, Registered
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Coconino County (928) 773-2441
THOMAS MATTHEW REEVE MD
Emergency Medicine
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Coconino County (210) 464-7442
MS. SUSAN POMEROY BASSETT M.S.
Audiologist
1200 N BEAVER ST, AUDIOLOGY DEPARTMENT
FLAGSTAFF, AZ 86001
Coconino County (928) 214-3728
DR. ALI I RAJA MD, MSC
Neurological Surgery
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Coconino County (928) 779-3366
LEAH MARIE COFFMAN PAUL CRNA
Nurse Anesthetist, Certified Registered
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Coconino County (928) 779-3366

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 Michelle Grua's NPI number?

The NPI number for Michelle Grua is 1205845815. It was assigned to this individual provider in the NPPES registry on August 5, 2006.

Where is Michelle Grua located?

Michelle Grua practices at 1200 N Beaver St, Flagstaff, AZ 86001. The listed phone number is (928) 779-3366.

What is Michelle Grua's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Michelle Grua enrolled in Medicare?

Yes. Michelle Grua is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Michelle Grua's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Grua reassigns Medicare benefits to Northern Arizona Healthcare Corporation (Flagstaff, AZ). The 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 Michelle Grua's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Michelle Grua was last updated on September 10, 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.