EMILY E MASI FNP-BC; PMHNP-BC
NPI 1437881265
Nurse Practitioner - Psychiatric/Mental Health in Manhattan Beach, CA

NPI Status: Active since June 29, 2022

Contact Information

1000 N SEPULVEDA BLVD STE 270
MANHATTAN BEACH, CA
ZIP 90266
Phone: (925) 282-1778

NPI Profile Information
Primary Taxonomy
Secondary Taxonomies
Medicare Participation & PECOS Status
Physician Visit Costs
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Nurse Practitioner
Psychiatric/Mental Health
PECOS Enrolled

About EMILY MASI

This page provides the complete NPI Profile along with additional information for Emily Masi, a provider established in Manhattan Beach, California with a medical specialization in Nurse Practitioner, focusing in psychiatric/mental health . The healthcare provider is registered in the NPI registry with number 1437881265 assigned on June 2022. The practitioner's primary taxonomy code is 363LP0808X with license number 95021252 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI: 1437881265
Provider Name: EMILY E MASI FNP-BC; PMHNP-BC
Other Name: EMILY VAN MOURICK
Other Name Type: Former Name (1)
Gender: Female
Entity Type: Individual
Location Address: 1000 N SEPULVEDA BLVD STE 270 MANHATTAN BEACH, CA 90266
Location Phone: (925) 282-1778
Mailing Address: 1000 N SEPULVEDA BLVD STE 270 MANHATTAN BEACH, CA 90266
Mailing Phone: (925) 282-1778
Is Sole Proprietor?: Yes
Enumeration Date: 06-29-2022
Last Update Date: 11-04-2025
Code Navigator

A nurse practitioner (NP) like Emily Masi is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

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: Nurse Practitioner Psychiatric/Mental Health
Taxonomy Code: 363LP0808X
Type: Physician Assistants & Advanced Practice Nursing Providers
License No.: 95021252
License State: CA

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No.	Taxonomy Code	Type	Classification / Specialization	License No. (State)
1	163W00000X	Nursing Service Providers	Registered Nurse	95045821 (CA)
2	363LF0000X	Physician Assistants & Advanced Practice Nursing Providers	Nurse Practitioner Family	95021252 (CA)

Medicare Participation & PECOS Enrollment Status

Emily Masi 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, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

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
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): Yes
Eligible to Order or Refer Power Mobility Devices: Yes

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 90266 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

Average New Patient Price $96.36
Minimum New Patient Price $62.96
Maximum New Patient Price $187.6

Average New Patient Copayment $24.09
Minimum New Patient Copayment $15.74
Maximum New Patient Copayment $46.9

Established Patients Visit Costs *

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

Average Established Patient Price $109.96
Minimum Established Patient Price $20.84
Maximum Established Patient Price $153.61

Average Established Patient Copayment $27.49
Minimum Established Patient Copayment $5.21
Maximum Established Patient Copayment $38.4

* 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.

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 1437881265, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 6

Pos 4

Unchanged

Pos 5

Doubled → 16 → 1 + 6

Pos 6

Unchanged

Pos 7

Doubled → 2

Pos 8

Unchanged

Pos 9

Doubled → 12 → 1 + 2

Check

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 3 → 6 8 → 16 → 7 1 → 2 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 6 + 7 + 1 + 6 + 8 + 2 + 2 + 1 + 2 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5

This NPI is valid

The calculated check digit is 5, which matches the last digit of 1437881265.