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

ERIN GRIGG FNP
NPI 1720466238
Nurse Practitioner - Family in Tucson, AZ

Active since May 16, 2015PECOS EnrolledAccepts Medicare Assignment
97.64/100
CMS Quality Rating
6261 N LA CHOLLA BLVD STE 3, TUCSON, AZ 85741(520) 877-3800(520) 877-3801 Get Directions Write a Review

NPPES record last updated: February 4, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Erin Grigg Fnp NPPES

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

ERIN GRIGG FNP (NPI 1720466238) is an individual family provider in Tucson, Arizona, licensed in Arizona (AP7794) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Oro Valley, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1720466238
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameERIN GRIGGCredential: FNP
Location Address6261 N LA CHOLLA BLVD STE 3Tucson, AZ 85741-3565
Mailing AddressPo Box 81064Cleveland, OH 44181-0064 · (520) 392-7500 · Fax (520) 323-4350
Phone(520) 877-3800
Fax(520) 877-3801
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateMay 16, 2015
Last NPPES UpdateFebruary 4, 2026
NPPES CertifiedFebruary 4, 2026
✔ NPI 1720466238 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in AZ · AP7794
6261 N LA CHOLLA BLVD STE 3, Tucson, AZ 85741
Open in Google Maps ↗

Secondary Practice Location 1

Location 11521 E Tangerine Rd Ste 209Oro Valley, AZ 85755-6218 · Phone (520) 545-0573 · Fax (520) 297-5597

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

Erin Grigg Fnp 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 ID8123379443
PECOS Enrollment IDI20180926001991
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 Erin Grigg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Genesis Ob Gyn PLLC
3.4 mi
Obstetrics & Gynecology
655 E RIVER RD UNIT 201
Tucson, AZ 85704
  • Reassigned Medicare billing, Arizona enrollment
  • 157 clinicians in this Medicare group
NPI 1992994214 (520) 258-0585

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 5

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.

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
60 services60 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
47 services44 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
24 services20 patients
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091
A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.
23 services23 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85741 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
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
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.

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 Erin Grigg's NPI number?

The NPI number for Erin Grigg is 1720466238. It was assigned to this individual provider in the NPPES registry on May 16, 2015.

Where is Erin Grigg located?

Erin Grigg practices at 6261 N La Cholla Blvd Ste 3, Tucson, AZ 85741. The listed phone number is (520) 877-3800.

What is Erin Grigg's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Erin Grigg enrolled in Medicare?

Yes. Erin Grigg 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 Erin Grigg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Erin Grigg reassigns Medicare benefits to Genesis Ob Gyn PLLC (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 Erin Grigg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Erin Grigg accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and Imperial Insurance Companies, Inc. and 1 other insurer list Erin Grigg 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 Erin Grigg was last updated on February 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.