DR. MARY GRACE FINN MD
NPI 1639275746
Obstetrics & Gynecology - Obstetrics in Lansing, MI
NPI Status: Active since September 15, 2006
Contact Information
120 E JOLLY RD
LANSING, MI
ZIP 48910
Phone: (517) 887-1713
NPPES record last updated: September 8, 2010. Verified against the NPPES registry weekly; last sync: July 12, 2026.
- Individual
- Female
- Obstetrics & Gynecology
- Obstetrics
About MARY FINN
This page provides the complete NPI Profile along with additional information for Mary Finn, a women's health care provider established in Lansing, Michigan with a medical specialization in Obstetrics & Gynecology, focusing in obstetrics . The healthcare provider is registered in the NPI registry with number 1639275746 assigned on September 2006. The practitioner's primary taxonomy code is 207VX0000X with license number 4301044881 (MI). The provider is registered as an individual and her NPI record was last updated 16 years ago.
- NPI
- 1639275746
- Provider Name
- DR. MARY GRACE FINN MD
- Other Name
- DR. MARY GRACE FINN DEWEESE MD
- Other Name Type
- Other Name (5)
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 120 E JOLLY RD LANSING, MI 48910
- Location Phone
- (517) 887-1713
- Mailing Address
- 120 E JOLLY RD LANSING, MI 48910
- Mailing Phone
- (517) 887-1713
- Is Sole Proprietor?
- No
- Enumeration Date
- 09-15-2006
- Last Update Date
- 09-08-2010
- Code Navigator
Women's health care providers like Mary Finn treat and diagnose diseases and conditions that affect a woman's physical and emotional health. Women's health professionals come from a variety of different specialties, including obstetrician/gynecologists, general surgeons, perinatologists, physician assistants, nurse practitioners or nurse midwives. A women's health provider might help you with family planning, breast care, pregnancy and child birth, osteoporosis, menopause, heart disease, 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
Obstetrics & Gynecology Obstetrics
- Taxonomy Code
- 207VX0000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 4301044881
- License State
- MI
- Taxonomy Description
- A physician who specializes in diagnosis, treatment, and management of patients with obstetric conditions. Source: National Uniform Claim Committee
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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 1639275746, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 74 is 80. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1639275746, enumerated as an "individual" on September 15, 2006.
The provider is located at 120 E JOLLY RD LANSING, MI 48910 and the phone number is (517) 887-1713.
Obstetrics & Gynecology with taxonomy code 207VX0000X and a focus in Obstetrics.
