MS. KRISTEN LEE GREEN FNP-C
NPI 1255511713
Nurse Practitioner - Family in Mesa, AZ

Active since November 13, 2007PECOS EnrolledAccepts Medicare Assignment
82.49/100
CMS Quality Rating
1500 S DOBSON RD STE 202, MESA, AZ 85202(866) 974-2673(866) 939-2673 Get Directions Write a Review

NPPES record last updated: August 13, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 13, 2025, Mar 25, 2025, Aug 18, 2023 and 1 more (4 updates tracked since 2021).

About Ms. Kristen Lee Green Fnp-c NPPES

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

MS. KRISTEN LEE GREEN FNP-C (NPI 1255511713) is an individual family provider in Mesa, Arizona, licensed in Arizona (RN114967/AP2161) and active in the NPI registry since November 2007. She is enrolled in Medicare PECOS, maintains 6 additional practice locations, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1255511713
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. KRISTEN LEE GREENCredential: FNP-C
Location Address1500 S DOBSON RD STE 202Mesa, AZ 85202-4724
Mailing Address18444 N 25th Ave Ste 310Phoenix, AZ 85023-1266 · (866) 974-2673 · Fax (866) 939-2673
Fax(866) 939-2673
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateNovember 13, 2007
Last NPPES UpdateAugust 13, 20254 updates tracked since enumeration
NPPES CertifiedAugust 13, 2025
NPI 1255511713 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 · RN114967/AP2161
1500 S DOBSON RD STE 202, Mesa, AZ 85202

Other Names 1

Former Name (1)Kristen Lee Kassapis

Secondary Practice Locations 6

Location 12095 W Pecos Rd Ste A8Chandler, AZ 85224-5724 · Phone (480) 467-2273 · Fax (480) 664-7610
Location 29060 E Via Linda Ste 250Scottsdale, AZ 85258-5425 · Phone (480) 500-2200
Location 3645 E Missouri Ave Ste 300Phoenix, AZ 85012-1351 · Phone (480) 500-2540
Location 43591 S Mercy Rd Ste 204Gilbert, AZ 85297-2240 · Phone (866) 974-2673
Location 518444 N 25th Ave Ste 120Phoenix, AZ 85023-1262 · Phone (866) 974-2673
Location 68952 E Desert Cove Ave Ste 113Scottsdale, AZ 85260-6776 · Phone (866) 974-2673

Other Identifiers 1

Medicaid977481AZ

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Ms. Kristen Lee Green Fnp-c 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 ID3173549672
PECOS Enrollment IDI20051024000090
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.

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.

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.
440 services144 patients
Testing for presence of drug, by chemistry analyzers 80307
Chemistry analyzers are used to detect the presence of drugs in your system. This test involves taking a small sample of your blood or urine. The sample is then analyzed for specific substances. The results help in understanding your health condition better.
73 services50 patients
Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms G0482
A definitive drug test identifies specific drugs in your system. Advanced methods like GC/MS (Gas Chromatography/Mass Spectrometry) and LC/MS (Liquid Chromatography/Mass Spectrometry) are used. These can distinguish between similar drugs, providing precise results.
71 services49 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.
53 services48 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
37 services37 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85202 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.

82.49/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.09
Promoting Interoperability100
Improvement Activities40
Cost68.54

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Neuromuscular stimulator, electronic shock unit E0745
DME-Other DME · category DE000N
1 supplier11 claims11 services$65.29 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 20

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

Orthopaedic Surgery
1500 S DOBSON RD STE 202
MESA, AZ 85202
Orthopaedic Surgery (Sports Medicine)
1500 S DOBSON RD STE 202
MESA, AZ 85202
Nurse Practitioner (Family)
1500 S DOBSON RD STE 202
MESA, AZ 85202
Physician Assistant
1500 S DOBSON RD STE 202
MESA, AZ 85202
Physician Assistant
1500 S DOBSON RD STE 202
MESA, AZ 85202
Physician Assistant
1500 S DOBSON RD STE 202
MESA, AZ 85202
Physician Assistant
1500 S DOBSON RD STE 202
MESA, AZ 85202
Physician Assistant
1500 S DOBSON RD STE 202
MESA, AZ 85202

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 Kristen Green's NPI number?

The NPI number for Kristen Green is 1255511713. It was assigned to this individual provider in the NPPES registry on November 13, 2007. The provider is also known as Kristen Lee Kassapis.

Where is Kristen Green located?

Kristen Green practices at 1500 S Dobson Rd Ste 202, Mesa, AZ 85202. The listed phone number is (866) 974-2673.

What is Kristen Green's specialty?

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

Is Kristen Green enrolled in Medicare?

Yes. Kristen Green 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.

What insurance does Kristen Green accept?

Health plans from Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona and Oscar Health Plan, Inc. list Kristen Green 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 Kristen Green was last updated on August 13, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.