1. Home
  2. Directory
  3. Arizona
  4. Tucson
  5. Surgery
  6. NPI Profile

LYNN GRIES MD
NPI 1780730309
Surgery - Trauma Surgery in Tucson, AZ

Active since January 26, 2007PECOS EnrolledAccepts Medicare Assignment
97.64/100
CMS Quality Rating
UNIVERSITY OF ARIZONA, 1501 N. CAMPBELL AVE. RM 5411, TUCSON, AZ 85724(520) 626-0478 Get Directions Write a Review

NPPES record last updated: November 25, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Lynn Gries Md NPPES

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

LYNN GRIES MD (NPI 1780730309) is an individual trauma surgery provider in Tucson, Arizona, licensed in Arizona (44980) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2001).

NPPES Registry Identity

NPI1780730309
Entity TypeIndividualFemale
Primary Taxonomy2086S0127X
Provider Legal NameLYNN GRIESCredential: MD
Location AddressUNIVERSITY OF ARIZONA, 1501 N. CAMPBELL AVE. RM 5411Tucson, AZ 85724-5063
Mailing AddressUniversity Of Arizona, P.o. Box 245063Tucson, AZ 85724-5063
Phone(520) 626-0478
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateJanuary 26, 2007
Last NPPES UpdateNovember 25, 2019
✔ NPI 1780730309 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Trauma SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0127X
License✔ Licensed in AZ · 44980
Definition
Trauma surgery is a recognized subspecialty of general surgery. Trauma surgeons are physicians who have completed a five-year general surgery residency and usually continue with a one to two year fellowship in trauma and/or surgical critical care, typically leading to additional board certification in surgical critical care. There is no trauma surgery board certification at this point. To obtain board certification in surgical critical care, a fellowship in surgical critical care or anesthesiology critical care must be completed during or after general surgery residency.
UNIVERSITY OF ARIZONA, Tucson, AZ 85724
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health, Blue Cross Blue Shield of Arizona and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Lynn Gries Md 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 ID1254503279
PECOS Enrollment IDI20111017000093
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 Lynn Gries reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Banner-University Medical Group
6.5 mi
Nutrition, Education
6261 N LA CHOLLA BLVD STE 131
Tucson, AZ 85741
  • Reassigned Medicare billing, Arizona enrollment
  • 1,514 clinicians in this Medicare group
NPI 1639842677 (520) 694-5437

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

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
133 services76 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
45 services21 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
38 services38 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
36 services36 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
26 services26 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
24 services24 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.64/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality84.77
Promoting Interoperability98.67
Improvement Activities40

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 Lynn Gries's NPI number?

The NPI number for Lynn Gries is 1780730309. It was assigned to this individual provider in the NPPES registry on January 26, 2007.

Where is Lynn Gries located?

Lynn Gries practices at University Of Arizona 1501 N. Campbell Ave. Rm 5411, Tucson, AZ 85724. The listed phone number is (520) 626-0478.

What is Lynn Gries's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Trauma Surgery, with taxonomy code 2086S0127X.

Is Lynn Gries enrolled in Medicare?

Yes. Lynn Gries 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.

Which organization bills Medicare for Lynn Gries's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lynn Gries reassigns Medicare benefits to Banner-University Medical Group (Tucson, 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 Lynn Gries's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lynn Gries accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc. and UnitedHealthcare list Lynn Gries 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.

When was this NPI record last updated?

The NPPES record for Lynn Gries was last updated on November 25, 2019. 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.