ALEXANDRA NICOLE MACEDO NP
NPI 1598375834
Nurse Practitioner - Psychiatric/Mental Health in San Diego, CA

NPI Status: Active since August 02, 2020

Contact Information

9855 ERMA RD STE 133
SAN DIEGO, CA
ZIP 92131
Phone: (619) 531-5800
Fax: (833) 485-0482

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  • Individual
  • Female
  • Nurse Practitioner
  • Psychiatric/Mental Health

About ALEXANDRA MACEDO

This page provides the complete NPI Profile along with additional information for Alexandra Macedo, a provider established in San Diego, California with a medical specialization in Nurse Practitioner, focusing in psychiatric/mental health . The healthcare provider is registered in the NPI registry with number 1598375834 assigned on August 2020. The practitioner's primary taxonomy code is 363LP0808X with license number 95039213 (CA). The provider is registered as an individual and her NPI record was last updated June 2026.

NPI
1598375834
Provider Name
ALEXANDRA NICOLE MACEDO NP
Gender
Female
Entity Type
Individual
Location Address
9855 ERMA RD STE 133 SAN DIEGO, CA 92131
Location Phone
(619) 531-5800
Location Fax
(833) 485-0482
Mailing Address
9855 ERMA RD STE 133 SAN DIEGO, CA 92131
Mailing Phone
(619) 531-5800
Mailing Fax
(833) 485-0482
Is Sole Proprietor?
Yes
Enumeration Date
08-02-2020
Last Update Date
06-15-2026
Code Navigator

A nurse practitioner (NP) like Alexandra Macedo 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.
95039213
License State
CA

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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 1598375834, we treat the final digit (4) 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 4).

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
5
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
8
Unchanged
Pos 5
3
Doubled → 6
Pos 6
7
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
8
Unchanged
Pos 9
3
Doubled → 6
Check
4
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 9 → 18 → 9 3 → 6 5 → 10 → 1 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 8 + 8 + 6 + 7 + 1 + 0 + 8 + 6 + 24 = 76

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

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1598375834.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Internal Medicine
9855 ERMA RD STE 133
SAN DIEGO, CA 92131
Psychiatry & Neurology (Psychiatry)
9855 ERMA RD STE 133
SAN DIEGO, CA 92131
Nurse Practitioner (Psychiatric/Mental Health)
9855 ERMA RD STE 133
SAN DIEGO, CA 92131
Internal Medicine
9855 ERMA RD STE 133
SAN DIEGO, CA 92131
Nurse Practitioner (Psychiatric/Mental Health)
9855 ERMA RD STE 133
SAN DIEGO, CA 92131
Social Worker (Clinical)
9855 ERMA RD STE 133
SAN DIEGO, CA 92131
Nurse Practitioner (Psychiatric/Mental Health)
9855 ERMA RD STE 133
SAN DIEGO, CA 92131
Nurse Practitioner (Psychiatric/Mental Health)
9855 ERMA RD STE 133
SAN DIEGO, CA 92131

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598375834, enumerated as an "individual" on August 02, 2020.

The provider is located at 9855 ERMA RD STE 133 SAN DIEGO, CA 92131 and the phone number is (619) 531-5800.

Nurse Practitioner with taxonomy code 363LP0808X and a focus in Psychiatric/Mental Health.