IAN M FRANKFORT MD, STUART RUBIN MD AND DANIEL J MCMAHON MD
NPI 1609984780
Family Medicine in Williamsville, NY
NPI Status: Active since August 28, 2006
Contact Information
747 HOPKINS RD
WILLIAMSVILLE, NY
ZIP 14221
Phone: (716) 688-5132
Fax: (716) 688-3022
- Organization
- Family Medicine
About IAN M FRANKFORT MD, STUART RUBIN MD AND DANIEL J MCMAHON MD
This page provides the complete NPI Profile along with additional information for Ian M Frankfort Md, Stuart Rubin Md And Daniel J Mcmahon Md, a primary care provider established in Williamsville, New York operating as a Family Medicine. The healthcare provider is registered in the NPI registry with number 1609984780 assigned on August 2006. The practitioner's primary taxonomy code is 207Q00000X with license number 120885 (NY). The provider is registered as an organization and their NPI record was last updated one year ago. Ian M Frankfort Md, Stuart Rubin Md And Daniel J Mcmahon Md operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Ian Michael Frankfort Md (Partner)
- NPI
- 1609984780
- Provider Name
- IAN M FRANKFORT MD, STUART RUBIN MD AND DANIEL J MCMAHON MD
- Entity Type
- Organization
- Location Address
- 747 HOPKINS RD WILLIAMSVILLE, NY 14221
- Location Phone
- (716) 688-5132
- Location Fax
- (716) 688-3022
- Mailing Address
- 747 HOPKINS RD WILLIAMSVILLE, NY 14221
- Mailing Phone
- (716) 688-5132
- Mailing Fax
- (716) 688-3022
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 08-28-2006
- Last Update Date
- 09-11-2025
- Code Navigator
A primary care provider (PCP) like Ian M Frankfort Md, Stuart Rubin Md And Daniel J Mcmahon Md sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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
Family Medicine
- Taxonomy Code
- 207Q00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 120885
- License State
- NY
- Taxonomy Description
- Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
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) |
|---|---|---|---|---|
| 1 | 207Q00000X | Allopathic & Osteopathic Physicians | Family Medicine | 116558 (NY) |
| 2 | 207Q00000X | Allopathic & Osteopathic Physicians | Family Medicine | 117197 (NY) |
| 3 | 363LA2200X | Physician Assistants & Advanced Practice Nursing Providers | Nurse Practitioner | F3002291 (NY) |
Group Taxonomy 193200000X MULTI-SPECIALTY GROUP
This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.
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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 1609984780, we treat the final digit (0) 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 80. The final step is to find the difference between that total and the next multiple of ten (80 - 80 = 0).
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 80 is 80. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1609984780, enumerated as an "organization" on August 28, 2006.
The provider is located at 747 HOPKINS RD WILLIAMSVILLE, NY 14221 and the phone number is (716) 688-5132.
Family Medicine with taxonomy code 207Q00000X.
