DR. CHESTER ANTHONY DILALLO M.D.
NPI 1770514184
Orthopaedic Surgery in Greenbelt, MD

NPI Status: Active since July 05, 2006

Contact Information

7500 GREENWAY CENTER DR
SUITE 520
GREENBELT, MD
ZIP 20770
Phone: (301) 220-2127

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  • Individual
  • Male
  • Orthopaedic Surgery

About CHESTER DILALLO

This page provides the complete NPI Profile along with additional information for Chester Dilallo, a provider established in Greenbelt, Maryland with a medical specialization in Orthopaedic Surgery. The healthcare provider is registered in the NPI registry with number 1770514184 assigned on July 2006. The practitioner's primary taxonomy code is 207X00000X with license number D0010535 (MD). The provider is registered as an individual and his NPI record was last updated 11 years ago.

NPI
1770514184
Provider Name
DR. CHESTER ANTHONY DILALLO M.D.
Gender
Male
Entity Type
Individual
Location Address
7500 GREENWAY CENTER DR SUITE 520 GREENBELT, MD 20770
Location Phone
(301) 220-2127
Mailing Address
PO BOX 79757 BALTIMORE, MD 21279
Mailing Phone
(443) 274-2900
Mailing Fax
Is Sole Proprietor?
No
Enumeration Date
07-05-2006
Last Update Date
02-02-2015
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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

Orthopaedic Surgery

Taxonomy Code
207X00000X
Type
Allopathic & Osteopathic Physicians
License No.
D0010535
License State
MD
Taxonomy Description
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

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)
1207X00000XAllopathic & Osteopathic Physicians

Orthopaedic Surgery

0101020336 (VA)
2207X00000XAllopathic & Osteopathic Physicians

Orthopaedic Surgery

MD5004 (DC)

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.

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
46950010OTHER (01)DCBCBS DC PROVIDER #
117871700MEDICAID (05)MD 
52 1054342OTHER (01)TAX ID NUMBER
200032695OTHER (01)MDRAILROAD MEDICARE
0254450001MEDICARE NSC (07)MD 
B92934MEDICARE UPIN (02) 

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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 1770514184, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
7
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
0
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
1
Unchanged
Pos 7
4
Doubled → 8
Pos 8
1
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
4
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 7 → 14 → 5 5 → 10 → 1 4 → 8 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 4 + 0 + 1 + 0 + 1 + 8 + 1 + 1 + 6 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1770514184.

Other Providers at the Same Location


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

Internal Medicine (Nephrology)
7500 GREENWAY CENTER DR, SUITE 930
GREENBELT, MD 20770
Internal Medicine (Nephrology)
7500 GREENWAY CENTER DR, STE 930
GREENBELT, MD 20770
Internal Medicine (Geriatric Medicine)
7500 GREENWAY CENTER DR, SUITE 430
GREENBELT, MD 20770
Urology
7500 GREENWAY CENTER DR, 8TH FLOOR
GREENBELT, MD 20770
Internal Medicine (Geriatric Medicine)
7500 GREENWAY CENTER DR, STE 430
GREENBELT, MD 20770
Internal Medicine (Geriatric Medicine)
7500 GREENWAY CENTER DR, STE 430
GREENBELT, MD 20770
Internal Medicine (Geriatric Medicine)
7500 GREENWAY CENTER DR, SUITE 430
GREENBELT, MD 20770
Obstetrics & Gynecology (Gynecology)
7500 GREENWAY CENTER DR, SUITE 620
GREENBELT, MD 20770
Dentist (General Practice)
7500 GREENWAY CENTER DR, SUITE 120
GREENBELT, MD 20770
Internal Medicine (Nephrology)
7500 GREENWAY CENTER DR, SUITE 930
GREENBELT, MD 20770
Orthopaedic Surgery (Hand Surgery)
7500 GREENWAY CENTER DR, SUITE 520
GREENBELT, MD 20770
Dentist (General Practice)
7500 GREENWAY CENTER DR, SUITE 120
GREENBELT, MD 20770
Urology
7500 GREENWAY CENTER DR, 8TH FLOOR
GREENBELT, MD 20770
Urology
7500 GREENWAY CENTER DR, 8TH FLOOR
GREENBELT, MD 20770
Pathology (Anatomic Pathology & Clinical Pathology)
7500 GREENWAY CENTER DR, 8TH FLOOR
GREENBELT, MD 20770
Urology
7500 GREENWAY CENTER DR, 8TH FLOOR
GREENBELT, MD 20770
Specialist
7500 GREENWAY CENTER DR, SUITE #930
GREENBELT, MD 20770
Internal Medicine (Nephrology)
7500 GREENWAY CENTER DR, STE. 930
GREENBELT, MD 20770
Occupational Therapist (Hand)
7500 GREENWAY CENTER DR, SUITE 520
GREENBELT, MD 20770
Orthopaedic Surgery
7500 GREENWAY CENTER DR, 520
GREENBELT, MD 20770

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1770514184, enumerated as an "individual" on July 05, 2006.

The provider is located at 7500 GREENWAY CENTER DR SUITE 520 GREENBELT, MD 20770 and the phone number is (301) 220-2127.

Orthopaedic Surgery with taxonomy code 207X00000X.

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