DR. ALLEN WOLLAND M.D.
NPI 1619919859
Colon & Rectal Surgery in Bethesda, MD

NPI Status: Active since June 12, 2006

Contact Information

6420 ROCKLEDGE DR
SUITE 2200
BETHESDA, MD
ZIP 20817
Phone: (301) 896-6880

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  • Individual
  • Male
  • Colon & Rectal Surgery

About ALLEN WOLLAND

This page provides the complete NPI Profile along with additional information for Allen Wolland, a provider established in Bethesda, Maryland with a medical specialization in Colon & Rectal Surgery. The healthcare provider is registered in the NPI registry with number 1619919859 assigned on June 2006. The practitioner's primary taxonomy code is 208C00000X with license number D23525 (MD). The provider is registered as an individual and his NPI record was last updated 13 years ago.

NPI
1619919859
Provider Name
DR. ALLEN WOLLAND M.D.
Gender
Male
Entity Type
Individual
Location Address
6420 ROCKLEDGE DR SUITE 2200 BETHESDA, MD 20817
Location Phone
(301) 896-6880
Mailing Address
3100 WYMAN PARK DR BALTIMORE, MD 21211
Mailing Phone
(301) 896-6880
Is Sole Proprietor?
No
Enumeration Date
06-12-2006
Last Update Date
05-09-2013
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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

Colon & Rectal Surgery

Taxonomy Code
208C00000X
Type
Allopathic & Osteopathic Physicians
License No.
D23525
License State
MD
Taxonomy Description
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

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)
1174400000XOther Service Providers

Specialist

D0023525 (MD)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
W0170746MEDICARE ID-TYPE UNSPECIFIED (04) 
132160MEDICARE PIN (08)DC 
B93989MEDICARE UPIN (02)MD 
415096100MEDICAID (05)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 1619919859, 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 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
6
Unchanged
Pos 3
1
Doubled → 2
Pos 4
9
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
1
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
8
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 1 → 2 9 → 18 → 9 9 → 18 → 9 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 2 + 9 + 1 + 8 + 1 + 1 + 8 + 8 + 1 + 0 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1619919859.

Other Providers at the Same Location


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

Clinic/Center (Oncology, Radiation)
6420 ROCKLEDGE DR, SUITE 1200
BETHESDA, MD 20817
Audiologist
6420 ROCKLEDGE DR, SUITE 4200
BETHESDA, MD 20817
Psychiatry & Neurology (Neurology)
6420 ROCKLEDGE DR, #2500
BETHESDA, MD 20817
Radiology (Radiation Oncology)
6420 ROCKLEDGE DR, SUITE 1200
BETHESDA, MD 20817
Physician Assistant (Medical)
6420 ROCKLEDGE DR, SUITE 4100
BETHESDA, MD 20817
Physician Assistant (Medical)
6420 ROCKLEDGE DR, SUITE 4100
BETHESDA, MD 20817
Clinic/Center (Ambulatory Surgical)
6420 ROCKLEDGE DR, SUITE 4300
BETHESDA, MD 20817
Surgery
6420 ROCKLEDGE DR, SUITE 3700
BETHESDA, MD 20817
Audiologist
6420 ROCKLEDGE DR, SUITE 4200
BETHESDA, MD 20817
Durable Medical Equipment & Medical Supplies
6420 ROCKLEDGE DR, SUITE 4200
BETHESDA, MD 20817
Nurse Practitioner (Adult Health)
6420 ROCKLEDGE DR, SUITE 3900
BETHESDA, MD 20817
Durable Medical Equipment & Medical Supplies
6420 ROCKLEDGE DR
BETHESDA, MD 20817
Clinic/Center (Infusion Therapy)
6420 ROCKLEDGE DR, SUITE 4100
BETHESDA, MD 20817
Plastic Surgery
6420 ROCKLEDGE DR, SUITE 2300
BETHESDA, MD 20817
Surgery
6420 ROCKLEDGE DR, 2200
BETHESDA, MD 20817
Orthopaedic Surgery
6420 ROCKLEDGE DR, SUITE 2200
BETHESDA, MD 20817
Surgery
6420 ROCKLEDGE DR
BETHESDA, MD 20817
Colon & Rectal Surgery
6420 ROCKLEDGE DR, SUITE 2200
BETHESDA, MD 20817
Radiology (Radiation Oncology)
6420 ROCKLEDGE DR, SUITE 1200
BETHESDA, MD 20817
Audiologist
6420 ROCKLEDGE DR, SUITE 4200
BETHESDA, MD 20817

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1619919859, enumerated as an "individual" on June 12, 2006.

The provider is located at 6420 ROCKLEDGE DR SUITE 2200 BETHESDA, MD 20817 and the phone number is (301) 896-6880.

Colon & Rectal Surgery with taxonomy code 208C00000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.