MARGARET THUMM FNP
NPI 1164548897
Nurse Practitioner - Family in Portland, ME

NPI Status: Active since March 22, 2007

Contact Information

20 PORTLAND ST
PORTLAND, ME
ZIP 04101
Phone: (207) 874-8445

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  • Individual
  • Female
  • Nurse Practitioner
  • Family

About MARGARET THUMM

This page provides the complete NPI Profile along with additional information for Margaret Thumm, a provider established in Portland, Maine with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1164548897 assigned on March 2007. The practitioner's primary taxonomy code is 363LF0000X with license number R031482 (ME). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1164548897
Provider Name
MARGARET THUMM FNP
Gender
Female
Entity Type
Individual
Location Address
20 PORTLAND ST PORTLAND, ME 04101
Location Phone
(207) 874-8445
Mailing Address
389 CONGRESS ST RM 307 PORTLAND, ME 04101
Mailing Phone
(207) 874-8784
Is Sole Proprietor?
No
Enumeration Date
03-22-2007
Last Update Date
07-09-2007
Code Navigator

A nurse practitioner (NP) like Margaret Thumm 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 Family

Taxonomy Code
363LF0000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
R031482
License State
ME

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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 1164548897, 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 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
1
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
4
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
4
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
8
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 6 → 12 → 3 5 → 10 → 1 8 → 16 → 7 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 2 + 4 + 1 + 0 + 4 + 1 + 6 + 8 + 1 + 8 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1164548897.

Other Providers at the Same Location


The following 16 providers are registered at the same or a nearby location.

Nurse Practitioner (Adult Health)
20 PORTLAND ST
PORTLAND, ME 04101
Dental Hygienist
20 PORTLAND ST
PORTLAND, ME 04101
Dental Hygienist
20 PORTLAND ST
PORTLAND, ME 04101
Counselor (Addiction (Substance Use Disorder))
20 PORTLAND ST
PORTLAND, ME 04101
Registered Nurse
20 PORTLAND ST
PORTLAND, ME 04101
Registered Nurse
20 PORTLAND ST
PORTLAND, ME 04101
Physician Assistant
20 PORTLAND ST
PORTLAND, ME 04101
Registered Nurse
20 PORTLAND ST
PORTLAND, ME 04101
Registered Nurse
20 PORTLAND ST
PORTLAND, ME 04101
Social Worker (Clinical)
20 PORTLAND ST
PORTLAND, ME 04101
Registered Nurse
20 PORTLAND ST
PORTLAND, ME 04101
Registered Nurse
20 PORTLAND ST
PORTLAND, ME 04101
Registered Nurse
20 PORTLAND ST
PORTLAND, ME 04101
Allergy & Immunology (Clinical & Laboratory Immunology)
20 PORTLAND ST
PORTLAND, ME 04101
Social Worker (Clinical)
20 PORTLAND ST
PORTLAND, ME 04101
Physician Assistant (Medical)
20 PORTLAND ST
PORTLAND, ME 04101

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1164548897, enumerated as an "individual" on March 22, 2007.

The provider is located at 20 PORTLAND ST PORTLAND, ME 04101 and the phone number is (207) 874-8445.

Nurse Practitioner with taxonomy code 363LF0000X and a focus in Family.