DR. ERIN RUTH WALSH PSYD
NPI 1255016127
Psychologist - Clinical in West Chester, PA

NPI Status: Active since June 19, 2023

Contact Information

700 S HIGH ST
WEST CHESTER, PA
ZIP 19383
Phone: (732) 778-9660

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  • Individual
  • Female
  • Years of Experience 2
  • Psychologist
  • Clinical
  • May Accept Medicare Approved Payment
  • PECOS Enrolled

About ERIN WALSH

This page provides the complete NPI Profile along with additional information for Erin Walsh, a provider established in West Chester, Pennsylvania with a medical specialization in Psychologist, focusing in clinical and more than 2 years of experience. The healthcare provider is registered in the NPI registry with number 1255016127 assigned on June 2023. The practitioner's primary taxonomy code is 103TC0700X with license number PS020695 (PA). The provider is registered as an individual and her NPI record was last updated March 2026.

NPI
1255016127
Provider Name
DR. ERIN RUTH WALSH PSYD
Gender
Female
Entity Type
Individual
Location Address
700 S HIGH ST WEST CHESTER, PA 19383
Location Phone
(732) 778-9660
Mailing Address
780 E MARKET ST STE 220 WEST CHESTER, PA 19382
Mailing Phone
(610) 892-3800
Medical School Name
OTHER
Graduation Year
2024
Is Sole Proprietor?
No
Enumeration Date
06-19-2023
Last Update Date
03-05-2026
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A clinical psychologist like Erin Walsh assesses, diagnoses, and treats mental, emotional, and behavioral disorders. Clinical psychologists help people deal with problems ranging from short-term personal issues to severe, chronic conditions. Clinical psychologists interview patients, give diagnostic tests, provide psychotherapy and design behavior modification programs to help patients.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Psychologist Clinical

Taxonomy Code
103TC0700X
Type
Behavioral Health & Social Service Providers
License No.
PS020695
License State
PA
Taxonomy Description
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

Medicare Participation & PECOS Enrollment Status

Erin Walsh is registered with Medicare but maybe doesn't accept claims assignment. If you are a Medicare beneficiary call and confirm with the provider before seeking any services.

Erin Walsh is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging and Durable Medical Equipment (DME).

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 8820572985

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20260317004634

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Maybe

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): No

  • Eligible to Order or Refer Power Mobility Devices: No

Physician Visit Costs

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 19383 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99205

  • Average New Patient Price $180.99
  • Minimum New Patient Price $59.88
  • Maximum New Patient Price $180.99
  • Average New Patient Copayment $45.24
  • Minimum New Patient Copayment $14.97
  • Maximum New Patient Copayment $45.24

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $105.21
  • Minimum Established Patient Price $19.3
  • Maximum Established Patient Price $147.29
  • Average Established Patient Copayment $26.3
  • Minimum Established Patient Copayment $4.82
  • Maximum Established Patient Copayment $36.82

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Reviews for DR. ERIN RUTH WALSH PSYD

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1255016127, we treat the final digit (7) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 43. The final step is to find the difference between that total and the next multiple of ten (50 - 43 = 7).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
5
Unchanged
Pos 5
0
Doubled → 0
Pos 6
1
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
1
Unchanged
Pos 9
2
Doubled → 4
Check
7
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 5 → 10 → 1 0 → 0 6 → 12 → 3 2 → 4

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 1 + 0 + 5 + 0 + 1 + 1 + 2 + 1 + 4 + 24 = 43

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 43 is 50. The difference is the calculated check digit.

50 - 43 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1255016127.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Student in an Organized Health Care Education/Training Program
700 S HIGH ST
WEST CHESTER, PA 19383
Specialist/Technologist (Athletic Trainer)
700 S HIGH ST
WEST CHESTER, PA 19383
Student in an Organized Health Care Education/Training Program
700 S HIGH ST
WEST CHESTER, PA 19383
Student in an Organized Health Care Education/Training Program
700 S HIGH ST
WEST CHESTER, PA 19383
Specialist/Technologist (Athletic Trainer)
700 S HIGH ST
WEST CHESTER, PA 19383
Specialist/Technologist (Athletic Trainer)
700 S HIGH ST, WEST CHESTER UNIVERSITY
WEST CHESTER, PA 19383
Student in an Organized Health Care Education/Training Program
700 S HIGH ST
WEST CHESTER, PA 19383
Specialist/Technologist (Athletic Trainer)
700 S HIGH ST
WEST CHESTER, PA 19383
Student in an Organized Health Care Education/Training Program
700 S HIGH ST
WEST CHESTER, PA 19383
Specialist/Technologist (Athletic Trainer)
700 S HIGH ST
WEST CHESTER, PA 19383
Counselor
700 S HIGH ST
WEST CHESTER, PA 19383
Specialist/Technologist (Athletic Trainer)
700 S HIGH ST
WEST CHESTER, PA 19383
Specialist/Technologist (Athletic Trainer)
700 S HIGH ST
WEST CHESTER, PA 19383
Specialist/Technologist (Athletic Trainer)
700 S HIGH ST
WEST CHESTER, PA 19383
Physician Assistant
700 S HIGH ST
WEST CHESTER, PA 19383
Student in an Organized Health Care Education/Training Program
700 S HIGH ST
WEST CHESTER, PA 19383
Clinic/Center (Adult Mental Health)
700 S HIGH ST
WEST CHESTER, PA 19383
Physician Assistant
700 S HIGH ST
WEST CHESTER, PA 19383
Physician Assistant
700 S HIGH ST
WEST CHESTER, PA 19383

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1255016127, enumerated as an "individual" on June 19, 2023.

The provider is located at 700 S HIGH ST WEST CHESTER, PA 19383 and the phone number is (732) 778-9660.

Psychologist with taxonomy code 103TC0700X and a focus in Clinical.