STEPHANIE F WILLIAMS MD
NPI 1003805409
Internal Medicine - Medical Oncology in Grand Rapids, MI

NPI Status: Active since October 18, 2005

Contact Information

145 MICHIGAN ST NE
SUITE 5200
GRAND RAPIDS, MI
ZIP 49503
Phone: (616) 486-5933
Fax: (616) 486-6489

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  • Individual
  • Female
  • Internal Medicine
  • Medical Oncology

About STEPHANIE WILLIAMS

This page provides the complete NPI Profile along with additional information for Stephanie Williams, an internist established in Grand Rapids, Michigan with a medical specialization in Internal Medicine, focusing in medical oncology . The healthcare provider is registered in the NPI registry with number 1003805409 assigned on October 2005. The practitioner's primary taxonomy code is 207RX0202X with license number 036 067154 (IL). The provider is registered as an individual and her NPI record was last updated 5 years ago.

NPI
1003805409
Provider Name
STEPHANIE F WILLIAMS MD
Gender
Female
Entity Type
Individual
Location Address
145 MICHIGAN ST NE SUITE 5200 GRAND RAPIDS, MI 49503
Location Phone
(616) 486-5933
Location Fax
(616) 486-6489
Mailing Address
100 MICHIGAN ST NE MC 845 GRAND RAPIDS, MI 49503
Is Sole Proprietor?
No
Enumeration Date
10-18-2005
Last Update Date
02-22-2021
Code Navigator

An internist like Stephanie Williams is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

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

Internal Medicine Medical Oncology

Taxonomy Code
207RX0202X
Type
Allopathic & Osteopathic Physicians
License No.
036 067154
License State
IL
Taxonomy Description
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

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
1003805409MEDICAID (05)MI 
036 067154MEDICAID (05)IL 

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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 1003805409, 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 41. The final step is to find the difference between that total and the next multiple of ten (50 - 41 = 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
0
Unchanged
Pos 3
0
Doubled → 0
Pos 4
3
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
0
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
4
Unchanged
Pos 9
0
Doubled → 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 0 → 0 8 → 16 → 7 5 → 10 → 1 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 1 + 6 + 0 + 1 + 0 + 4 + 0 + 24 = 41

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

The next multiple of ten after 41 is 50. The difference is the calculated check digit.

50 - 41 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1003805409.

Other Providers at the Same Location


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

Physician Assistant (Medical)
145 MICHIGAN ST NE, SUITE 3100
GRAND RAPIDS, MI 49503
Pharmacist
145 MICHIGAN ST NE, SUITE 3100
GRAND RAPIDS, MI 49503
Social Worker (Clinical)
145 MICHIGAN ST NE, SUITE 3100
GRAND RAPIDS, MI 49503
Genetic Counselor, MS
145 MICHIGAN ST NE, SUITE 6100
GRAND RAPIDS, MI 49503
Nurse Practitioner
145 MICHIGAN ST NE, SUITE 5500
GRAND RAPIDS, MI 49503
Genetic Counselor, MS
145 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Surgery (Surgical Oncology)
145 MICHIGAN ST NE, SUITE 5500
GRAND RAPIDS, MI 49503
Social Worker
145 MICHIGAN ST NE, SUITE 5200
GRAND RAPIDS, MI 49503
Emergency Medicine (Hospice and Palliative Medicine)
145 MICHIGAN ST NE, SUITE 4400
GRAND RAPIDS, MI 49503
Nurse Practitioner
145 MICHIGAN ST NE, SPECTRUM HEALTH HOSPITAL
GRAND RAPIDS, MI 49503
Physician Assistant (Medical)
145 MICHIGAN ST NE, SUITE 3100
GRAND RAPIDS, MI 49503
Surgery
145 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Nurse Practitioner
145 MICHIGAN ST NE, SUITE 5200
GRAND RAPIDS, MI 49503
Obstetrics & Gynecology (Gynecologic Oncology)
145 MICHIGAN ST NE, SUITE 6300
GRAND RAPIDS, MI 49503
Physician Assistant
145 MICHIGAN ST NE, SUITE 3410
GRAND RAPIDS, MI 49503
Physician Assistant (Surgical)
145 MICHIGAN ST NE, SUITE 5500
GRAND RAPIDS, MI 49503
Internal Medicine (Hematology & Oncology)
145 MICHIGAN ST NE, SUITE 5200
GRAND RAPIDS, MI 49503
Internal Medicine (Hematology & Oncology)
145 MICHIGAN ST NE, SUITE 3100
GRAND RAPIDS, MI 49503
Internal Medicine (Medical Oncology)
145 MICHIGAN ST NE, SUITE 3100
GRAND RAPIDS, MI 49503
Internal Medicine (Hematology & Oncology)
145 MICHIGAN ST NE, SUITE 3100
GRAND RAPIDS, MI 49503

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003805409, enumerated as an "individual" on October 18, 2005.

The provider is located at 145 MICHIGAN ST NE SUITE 5200 GRAND RAPIDS, MI 49503 and the phone number is (616) 486-5933.

Internal Medicine with taxonomy code 207RX0202X and a focus in Medical Oncology.

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