DR. SILVIA OVIEDO WILLIAMS M.D.
NPI 1639297237
Specialist in Timonium, MD

NPI Status: Active since March 26, 2007

Contact Information

2300 DULANEY VALLEY RD
TIMONIUM, MD
ZIP 21093
Phone: (410) 252-4700
Fax: (410) 252-3040

Get Directions Write a Review

  • Individual
  • Female
  • Specialist

About SILVIA WILLIAMS

This page provides the complete NPI Profile along with additional information for Silvia Williams, a provider established in Timonium, Maryland with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1639297237 assigned on March 2007. The practitioner's primary taxonomy code is 174400000X with license number D0054416 (MD). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1639297237
Provider Name
DR. SILVIA OVIEDO WILLIAMS M.D.
Gender
Female
Entity Type
Individual
Location Address
2300 DULANEY VALLEY RD TIMONIUM, MD 21093
Location Phone
(410) 252-4700
Location Fax
(410) 252-3040
Mailing Address
2300 DULANEY VALLEY RD TIMONIUM, MD 21093
Mailing Phone
(410) 252-4700
Mailing Fax
(410) 252-3040
Is Sole Proprietor?
No
Enumeration Date
03-26-2007
Last Update Date
10-21-2025
Code Navigator

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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
D0054416
License State
MD
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Reviews for DR. SILVIA OVIEDO WILLIAMS M.D.

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1639297237, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

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
3
Doubled → 6
Pos 4
9
Unchanged
Pos 5
2
Doubled → 4
Pos 6
9
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
2
Unchanged
Pos 9
3
Doubled → 6
Check
7
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 3 → 6 2 → 4 7 → 14 → 5 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 6 + 9 + 4 + 9 + 1 + 4 + 2 + 6 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1639297237.

Other Providers at the Same Location


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

Internal Medicine (Geriatric Medicine)
2300 DULANEY VALLEY RD
LUTHERVILLE, MD 21093
Nurse Practitioner (Gerontology)
2300 DULANEY VALLEY RD
TIMONIUM, MD 21093
Internal Medicine (Geriatric Medicine)
2300 DULANEY VALLEY RD
TIMONIUM, MD 21093
Home Health
2300 DULANEY VALLEY RD
TIMONIUM, MD 21093
Hospice Care, Community Based
2300 DULANEY VALLEY RD
TIMONIUM, MD 21093
Nursing Facility/Intermediate Care Facility
2300 DULANEY VALLEY RD
LUTHERVILLE, MD 21093
Psychologist
2300 DULANEY VALLEY RD
TIMONIUM, MD 21093
Hospice, Inpatient
2300 DULANEY VALLEY RD
TIMONIUM, MD 21093
Nurse Practitioner (Family)
2300 DULANEY VALLEY RD
TIMONIUM, MD 21093
Optometrist
2300 DULANEY VALLEY RD
TIMONIUM, MD 21093
Occupational Therapist
2300 DULANEY VALLEY RD
LUTHERVILLE, MD 21093
Physical Therapist
2300 DULANEY VALLEY RD
LUTHERVILLE, MD 21093
Speech-Language Pathologist
2300 DULANEY VALLEY RD
TIMONIUM, MD 21093
Nurse Practitioner (Adult Health)
2300 DULANEY VALLEY RD
LUTHERVILLE, MD 21093
Occupational Therapist
2300 DULANEY VALLEY RD
TIMONIUM, MD 21093
Skilled Nursing Facility
2300 DULANEY VALLEY RD
LUTHERVILLE TIMONIUM, MD 21093
Skilled Nursing Facility
2300 DULANEY VALLEY RD
TIMONIUM, MD 21093
Social Worker (Clinical)
2300 DULANEY VALLEY RD
TIMONIUM, MD 21093
Physical Therapist
2300 DULANEY VALLEY RD
TIMONIUM, MD 21093
Occupational Therapist
2300 DULANEY VALLEY RD
TIMONIUM, MD 21093

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1639297237, enumerated as an "individual" on March 26, 2007.

The provider is located at 2300 DULANEY VALLEY RD TIMONIUM, MD 21093 and the phone number is (410) 252-4700.

Specialist with taxonomy code 174400000X.