DR. JEFFREY STEVEN MARTENS M.D.
NPI 1104829548
Pediatrics in Annapolis, MD

NPI Status: Active since May 31, 2005

Contact Information

200 FORBES ST STE 200
ANNAPOLIS, MD
ZIP 21401
Phone: (410) 263-6363

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  • Individual
  • Male
  • Pediatrics

About JEFFREY MARTENS

This page provides the complete NPI Profile along with additional information for Jeffrey Martens, a pediatrician established in Annapolis, Maryland with a medical specialization in Pediatrics. The healthcare provider is registered in the NPI registry with number 1104829548 assigned on May 2005. The practitioner's primary taxonomy code is 208000000X with license number D0096931 (MD). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1104829548
Provider Name
DR. JEFFREY STEVEN MARTENS M.D.
Gender
Male
Entity Type
Individual
Location Address
200 FORBES ST STE 200 ANNAPOLIS, MD 21401
Location Phone
(410) 263-6363
Mailing Address
200 FORBES ST STE 200 ANNAPOLIS, MD 21401
Mailing Phone
(410) 263-6363
Is Sole Proprietor?
No
Enumeration Date
05-31-2005
Last Update Date
07-02-2025
Code Navigator

A pediatrician like Jeffrey Martens 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.
D0096931
License State
MD
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.

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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 1104829548, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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
0
Doubled → 0
Pos 4
4
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
2
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
5
Unchanged
Pos 9
4
Doubled → 8
Check
8
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 0 → 0 8 → 16 → 7 9 → 18 → 9 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 0 + 4 + 1 + 6 + 2 + 1 + 8 + 5 + 8 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1104829548.

Other Providers at the Same Location


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

Nurse Practitioner (Pediatrics)
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Pediatrics
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Nurse Practitioner (Pediatrics)
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Nurse Practitioner (Pediatrics)
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Pediatrics
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Pediatrics
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Pediatrics
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Pediatrics
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Nurse Practitioner (Pediatrics)
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Pediatrics
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Pediatrics
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Pediatrics
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Nurse Practitioner (Pediatrics)
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Nurse Practitioner (Pediatrics)
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Pediatrics
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Nurse Practitioner (Pediatrics)
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Nurse Practitioner (Pediatrics)
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Nurse Practitioner (Pediatrics)
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Nurse Practitioner (Pediatrics)
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Nurse Practitioner (Pediatrics)
200 FORBES ST STE 200
ANNAPOLIS, MD 21401

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1104829548, enumerated as an "individual" on May 31, 2005.

The provider is located at 200 FORBES ST STE 200 ANNAPOLIS, MD 21401 and the phone number is (410) 263-6363.

Pediatrics with taxonomy code 208000000X.