MARIA LOS ANGELES MONTERO CRNA
NPI 1396610853
Nurse Anesthetist, Certified Registered in Portland, ME

NPI Status: Active since October 06, 2025

Contact Information

22 BRAMHALL ST
PORTLAND, ME
ZIP 04102
Phone: (207) 662-2526
Fax: (207) 662-6236

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  • Individual
  • Female
  • Nurse Anesthetist, Certified Registered

About MARIA MONTERO

This page provides the complete NPI Profile along with additional information for Maria Montero, a provider established in Portland, Maine with a medical specialization in Nurse Anesthetist, Certified Registered. The healthcare provider is registered in the NPI registry with number 1396610853 assigned on October 2025. The practitioner's primary taxonomy code is 367500000X with license number RNA253107 (ME). The provider is registered as an individual and her NPI record was last updated February 2026.

NPI
1396610853
Provider Name
MARIA LOS ANGELES MONTERO CRNA
Gender
Female
Entity Type
Individual
Location Address
22 BRAMHALL ST PORTLAND, ME 04102
Location Phone
(207) 662-2526
Location Fax
(207) 662-6236
Mailing Address
22 BRAMHALL ST PORTLAND, ME 04102
Mailing Phone
(207) 662-2526
Mailing Fax
(207) 662-6236
Is Sole Proprietor?
No
Enumeration Date
10-06-2025
Last Update Date
02-09-2026
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Location Map

Secondary Locations

  • 25 June St
    Sanford, ME 04073
    (207) 490-7450
  • 84 Campus Dr
    Scarborough, ME 04074
    (207) 396-7000
  • 1 Medical Center Dr
    Biddeford, ME 04005
    (207) 283-7042

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 Anesthetist, Certified Registered

Taxonomy Code
367500000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
RNA253107
License State
ME
Taxonomy Description
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.

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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 1396610853, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
3
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
6
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
1
Unchanged
Pos 7
0
Doubled → 0
Pos 8
8
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
3
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 6 → 12 → 3 0 → 0 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 8 + 6 + 1 + 2 + 1 + 0 + 8 + 1 + 0 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1396610853.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Nurse Anesthetist, Certified Registered
22 BRAMHALL ST, DEPT OF ANESTHESIOLOGY
PORTLAND, ME 04102
Hospitalist
22 BRAMHALL ST, PAVILION 1203
PORTLAND, ME 04102
Specialist
22 BRAMHALL ST, DEPT OF OB/GYN
PORTLAND, ME 04102
Physician Assistant
22 BRAMHALL ST, PAVILION 1203
PORTLAND, ME 04102
Physician Assistant
22 BRAMHALL ST
PORTLAND, ME 04102
Physician Assistant
22 BRAMHALL ST, PAVILION 1203
PORTLAND, ME 04102
Internal Medicine
22 BRAMHALL ST
PORTLAND, ME 04102
Physician Assistant
22 BRAMHALL ST, PAVILION 1203
PORTLAND, ME 04102
Nurse Anesthetist, Certified Registered
22 BRAMHALL ST
PORTLAND, ME 04102
Pediatrics (Neonatal-Perinatal Medicine)
22 BRAMHALL ST, DIVISION OF NEONATOLOGY
PORTLAND, ME 04102
Hospitalist
22 BRAMHALL ST, PAVILION 1203
PORTLAND, ME 04102
Hospitalist
22 BRAMHALL ST
PORTLAND, ME 04102
Anesthesiology
22 BRAMHALL ST
PORTLAND, ME 04102
Pathology (Anatomic Pathology & Clinical Pathology)
22 BRAMHALL ST
PORTLAND, ME 04102
Family Medicine
22 BRAMHALL ST
PORTLAND, ME 04102
Nurse Anesthetist, Certified Registered
22 BRAMHALL ST
PORTLAND, ME 04102
Emergency Medicine
22 BRAMHALL ST
PORTLAND, ME 04102
Nurse Anesthetist, Certified Registered
22 BRAMHALL ST
PORTLAND, ME 04102
Pediatrics
22 BRAMHALL ST
PORTLAND, ME 04102
Physician Assistant
22 BRAMHALL ST
PORTLAND, ME 04102

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1396610853, enumerated as an "individual" on October 06, 2025.

The provider is located at 22 BRAMHALL ST PORTLAND, ME 04102 and the phone number is (207) 662-2526.

Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.