DR. IAN ROBERT MARSH PHD
NPI 1346909488
Student in an Organized Health Care Education/Training Program in Baltimore, MD

NPI Status: Active since December 16, 2021

Contact Information

401 N BROADWAY ST
BALTIMORE, MD
ZIP 21287
Phone: (410) 502-8000

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  • Individual
  • Male
  • Student in an Organized Health Care Educ...

About IAN MARSH

This page provides the complete NPI Profile along with additional information for Ian Marsh, a primary care provider established in Baltimore, Maryland with a medical specialization in Student In An Organized Health Care Education/training Program. The healthcare provider is registered in the NPI registry with number 1346909488 assigned on December 2021. The practitioner's primary taxonomy code is 390200000X. The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI
1346909488
Provider Name
DR. IAN ROBERT MARSH PHD
Gender
Male
Entity Type
Individual
Location Address
401 N BROADWAY ST BALTIMORE, MD 21287
Location Phone
(410) 502-8000
Mailing Address
2107 GOUGH ST BALTIMORE, MD 21231
Mailing Phone
(608) 698-0205
Is Sole Proprietor?
Yes
Enumeration Date
12-16-2021
Last Update Date
12-16-2021
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A primary care provider (PCP) like Ian Marsh sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .

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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

Student in an Organized Health Care Education/Training Program

Taxonomy Code
390200000X
Type
Student, Health Care
Taxonomy Description
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

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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 1346909488, 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 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
3
Unchanged
Pos 3
4
Doubled → 8
Pos 4
6
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
0
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
4
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 4 → 8 9 → 18 → 9 9 → 18 → 9 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 8 + 6 + 1 + 8 + 0 + 1 + 8 + 4 + 1 + 6 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1346909488.

Other Providers at the Same Location


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

Pathology (Clinical Laboratory Director, Non-physician)
401 N BROADWAY ST, WEINBERG 2327
BALTIMORE, MD 21287
Pathology (Anatomic Pathology)
401 N BROADWAY ST, WEINBERG BLDG. SUITE 2242
BALTIMORE, MD 21287
Nurse Practitioner (Adult Health)
401 N BROADWAY ST, SIDNEY KIMMEL COMPREHENSIVE CANCER CENTER
BALTIMORE, MD 21287
Internal Medicine (Medical Oncology)
401 N BROADWAY ST, ROOM 1363
BALTIMORE, MD 21287
Internal Medicine (Hematology & Oncology)
401 N BROADWAY ST
BALTIMORE, MD 21287
Pathology (Anatomic Pathology)
401 N BROADWAY ST, WEINBERG SUITE 2242
BALTIMORE, MD 21287
Pathology (Anatomic Pathology & Clinical Pathology)
401 N BROADWAY ST, ROOM 2242
BALTIMORE, MD 21287
Nurse Practitioner (Acute Care)
401 N BROADWAY ST, WEINBERG 3A
BALTIMORE, MD 21287
General Acute Care Hospital
401 N BROADWAY ST
BALTIMORE, MD 21287
Pharmacist
401 N BROADWAY ST
BALTIMORE, MD 21287
Nurse Practitioner (Acute Care)
401 N BROADWAY ST, SUITE 1358
BALTIMORE, MD 21287
Nurse Practitioner (Acute Care)
401 N BROADWAY ST, WEINBERG INTENSIVE CARE UNIT
BALTIMORE, MD 21287
Nurse Practitioner (Acute Care)
401 N BROADWAY ST
BALTIMORE, MD 21287
Radiology (Radiation Oncology)
401 N BROADWAY ST, WEINBERG 1440
BALTIMORE, MD 21287
Nurse Practitioner (Adult Health)
401 N BROADWAY ST, SUITE 1440
BALTIMORE, MD 21287
Nurse Practitioner (Gerontology)
401 N BROADWAY ST
BALTIMORE, MD 21287
Nurse Practitioner (Acute Care)
401 N BROADWAY ST
BALTIMORE, MD 21287
Internal Medicine (Medical Oncology)
401 N BROADWAY ST, WEINBERG BUILDING
BALTIMORE, MD 21287
Nurse Practitioner (Acute Care)
401 N BROADWAY ST
BALTIMORE, MD 21287
Pathology (Anatomic Pathology & Clinical Pathology)
401 N BROADWAY ST
BALTIMORE, MD 21287

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1346909488, enumerated as an "individual" on December 16, 2021.

The provider is located at 401 N BROADWAY ST BALTIMORE, MD 21287 and the phone number is (410) 502-8000.

Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.