THOMAS M HERNDON
NPI 1821355199
Hospitalist in Bethesda, MD

NPI Status: Active since April 11, 2012

Contact Information

8600 OLD GEORGETOWN RD
MEDICAL STAFF SERVICES
BETHESDA, MD
ZIP 20814
Phone: (301) 896-3100

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  • Individual
  • Male
  • Hospitalist

About THOMAS HERNDON

This page provides the complete NPI Profile along with additional information for Thomas Herndon, a provider established in Bethesda, Maryland with a medical specialization in Hospitalist. The healthcare provider is registered in the NPI registry with number 1821355199 assigned on April 2012. The practitioner's primary taxonomy code is 208M00000X with license number D54030 (MD). The provider is registered as an individual and his NPI record was last updated 9 years ago.

NPI
1821355199
Provider Name
THOMAS M HERNDON
Gender
Male
Entity Type
Individual
Location Address
8600 OLD GEORGETOWN RD MEDICAL STAFF SERVICES BETHESDA, MD 20814
Location Phone
(301) 896-3100
Mailing Address
PO BOX 29348 WASHINGTON, DC 20017
Is Sole Proprietor?
No
Enumeration Date
04-11-2012
Last Update Date
07-21-2017
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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

Hospitalist

Taxonomy Code
208M00000X
Type
Allopathic & Osteopathic Physicians
License No.
D54030
License State
MD
Taxonomy Description
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

D0054030 (MD)

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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 1821355199, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 6 + 5 + 1 + 0 + 1 + 1 + 8 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1821355199.

Other Providers at the Same Location


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

Family Medicine (Hospice and Palliative Medicine)
8600 OLD GEORGETOWN RD, ATTN: MEDICAL STAFF OFFICE/ANGELA SPECK
BETHESDA, MD 20814
Pharmacist
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Physician Assistant
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Physician Assistant
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Physician Assistant
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Physician Assistant
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Physician Assistant
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Physician Assistant
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Physician Assistant
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Physician Assistant
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Internal Medicine (Gastroenterology)
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Internal Medicine
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Internal Medicine
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Radiology (Diagnostic Radiology)
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Internal Medicine (Critical Care Medicine)
8600 OLD GEORGETOWN RD, ATTN: MEDICAL STAFF OFFICE/ANGELA SPECK
BETHESDA, MD 20814
Internal Medicine (Critical Care Medicine)
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Internal Medicine (Critical Care Medicine)
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Internal Medicine (Critical Care Medicine)
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Internal Medicine (Critical Care Medicine)
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Internal Medicine (Critical Care Medicine)
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821355199, enumerated as an "individual" on April 11, 2012.

The provider is located at 8600 OLD GEORGETOWN RD MEDICAL STAFF SERVICES BETHESDA, MD 20814 and the phone number is (301) 896-3100.

Hospitalist with taxonomy code 208M00000X.