JAY LARMON MD
NPI 1497286785
Pediatrics in Portland, ME

NPI Status: Active since March 27, 2017

Contact Information

84 MARGINAL WAY STE 1000
PORTLAND, ME
ZIP 04101
Phone: (207) 774-4092

Get Directions Write a Review

  • Individual
  • Male
  • Pediatrics

About JAY LARMON

This page provides the complete NPI Profile along with additional information for Jay Larmon, a pediatrician established in Portland, Maine with a medical specialization in Pediatrics. The healthcare provider is registered in the NPI registry with number 1497286785 assigned on March 2017. The practitioner's primary taxonomy code is 208000000X with license number MD23717 (ME). The provider is registered as an individual and his NPI record was last updated March 2026.

NPI
1497286785
Provider Name
JAY LARMON MD
Gender
Male
Entity Type
Individual
Location Address
84 MARGINAL WAY STE 1000 PORTLAND, ME 04101
Location Phone
(207) 774-4092
Mailing Address
100 GANNETT DR STE C SOUTH PORTLAND, ME 04106
Mailing Phone
(207) 347-2947
Is Sole Proprietor?
No
Enumeration Date
03-27-2017
Last Update Date
03-03-2026
Code Navigator

A pediatrician like Jay Larmon is a physician who has completed a pediatric residency and is board-certified or board-eligible in a pediatric specialty. Pediatric care providers are trained to care for newborns, infants, children and adolescents. A pediatrician could perform physical exams, manage vaccinations, monitor development milestones, diagnose illnesses, infections, injuries or other health problems, 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

Pediatrics

Taxonomy Code
208000000X
Type
Allopathic & Osteopathic Physicians
License No.
MD23717
License State
ME
Taxonomy Description
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Reviews for JAY LARMON MD

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1497286785, 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 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
1
Doubled → 2
Pos 2
4
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
7
Unchanged
Pos 5
2
Doubled → 4
Pos 6
8
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
7
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
5
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 2 → 4 6 → 12 → 3 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 8 + 7 + 4 + 8 + 1 + 2 + 7 + 1 + 6 + 24 = 75

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

The next multiple of ten after 75 is 80. The difference is the calculated check digit.

80 - 75 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1497286785.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Nurse Practitioner
84 MARGINAL WAY STE 1000
PORTLAND, ME 04101
Nurse Anesthetist, Certified Registered
84 MARGINAL WAY STE 1000
PORTLAND, ME 04101
Nurse Practitioner (Pediatrics)
84 MARGINAL WAY STE 1000
PORTLAND, ME 04101
Nurse Practitioner (Family)
84 MARGINAL WAY STE 1000
PORTLAND, ME 04101
Nurse Practitioner (Pediatrics)
84 MARGINAL WAY STE 1000
PORTLAND, ME 04101
Nurse Anesthetist, Certified Registered
84 MARGINAL WAY STE 1000
PORTLAND, ME 04101
Pediatrics
84 MARGINAL WAY STE 1000
PORTLAND, ME 04101
Nurse Anesthetist, Certified Registered
84 MARGINAL WAY STE 1000
PORTLAND, ME 04101
Nurse Anesthetist, Certified Registered
84 MARGINAL WAY STE 1000
PORTLAND, ME 04101
Psychiatry & Neurology (Child & Adolescent Psychiatry)
84 MARGINAL WAY STE 1000
PORTLAND, ME 04101
Nurse Anesthetist, Certified Registered
84 MARGINAL WAY STE 1000
PORTLAND, ME 04101

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1497286785, enumerated as an "individual" on March 27, 2017.

The provider is located at 84 MARGINAL WAY STE 1000 PORTLAND, ME 04101 and the phone number is (207) 774-4092.

Pediatrics with taxonomy code 208000000X.