MARY ELLEN WELCH LCSW
NPI 1134570146
Social Worker - Clinical in Scottsdale, AZ

Active since June 30, 2016PECOS EnrolledAccepts Medicare Assignment
78.58/100
CMS Quality Rating
13400 E SHEA BLVD, SCOTTSDALE, AZ 85259(480) 301-8000 Get Directions Write a Review

NPPES record last updated: September 22, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 22, 2022, Jun 30, 2016 (2 updates tracked since 2016).

About Mary Ellen Welch Lcsw NPPES

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

MARY ELLEN WELCH LCSW (NPI 1134570146) is an individual clinical provider in Scottsdale, Arizona, licensed in Arizona (LCSW-18842) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS and is a graduate of Other (1989).

NPPES Registry Identity

NPI1134570146
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARY ELLEN WELCHCredential: LCSW
Location Address13400 E SHEA BLVDScottsdale, AZ 85259-5452
Mailing Address13400 E Shea BlvdScottsdale, AZ 85259-5452 · (480) 301-8000
Sole ProprietorNo
Medical School CMSOtherGraduated 1989
Enumeration DateJune 30, 2016
Last NPPES UpdateSeptember 22, 20222 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2022
NPI 1134570146 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses Licensed in AZ · LCSW-18842 Licensed in TX · 31310
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
13400 E SHEA BLVD, Scottsdale, AZ 85259

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

Mary Ellen Welch Lcsw 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 ID941598718
PECOS Enrollment IDI20221006000334
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 4

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.

Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
126 services126 patients
Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
88 services58 patients
Psychotherapy, 30 minutes 90832
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.
65 services40 patients
Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
48 services33 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85259 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
$0.00 typical visit price
range $55.44 – $168.60
Typical copayment $0.00 (range $13.86 – $42.15)
Most-billed visit code NA
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
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.

78.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality69.05
Promoting Interoperability100
Improvement Activities40
Cost59.56

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.

Internal Medicine (Hematology & Oncology)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Internal Medicine (Critical Care Medicine)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Internal Medicine (Pulmonary Disease)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Urology
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Nurse Anesthetist, Certified Registered
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Nurse Anesthetist, Certified Registered
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Radiology (Diagnostic Radiology)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Radiology (Diagnostic Radiology)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259

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 Mary Welch's NPI number?

The NPI number for Mary Welch is 1134570146. It was assigned to this individual provider in the NPPES registry on June 30, 2016.

Where is Mary Welch located?

Mary Welch practices at 13400 E Shea Blvd, Scottsdale, AZ 85259. The listed phone number is (480) 301-8000.

What is Mary Welch's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Mary Welch enrolled in Medicare?

Yes. Mary Welch 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.

When was this NPI record last updated?

The NPPES record for Mary Welch was last updated on September 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.