GREENFIELD OB-GYN ASSOCIATES, PC
NPI 1306915285
Obstetrics & Gynecology - Gynecology in Greenfield, MA

NPI Status: Active since November 07, 2006

Contact Information

5 PARK ST
GREENFIELD, MA
ZIP 01301
Phone: (413) 773-5481
Fax: (413) 774-3244

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  • Organization
  • Obstetrics & Gynecology
  • Gynecology

About GREENFIELD OB-GYN ASSOCIATES, PC

This page provides the complete NPI Profile along with additional information for Greenfield Ob-gyn Associates, Pc, a women's health care provider established in Greenfield, Massachusetts operating as a Obstetrics & Gynecology, focusing in gynecology . The healthcare provider is registered in the NPI registry with number 1306915285 assigned on November 2006. The practitioner's primary taxonomy code is 207VG0400X with license number 28664 (MA). The provider is registered as an organization and their NPI record was last updated 18 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is William Callahan Md (Owner)

NPI
1306915285
Provider Name
GREENFIELD OB-GYN ASSOCIATES, PC
Entity Type
Organization
Location Address
5 PARK ST GREENFIELD, MA 01301
Location Phone
(413) 773-5481
Location Fax
(413) 774-3244
Mailing Address
5 PARK ST GREENFIELD, MA 01301
Mailing Phone
(413) 773-5481
Mailing Fax
(413) 774-3244
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-07-2006
Last Update Date
10-21-2008
Code Navigator

Women's health care providers like Greenfield Ob-gyn Associates, Pc 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 Gynecology

Taxonomy Code
207VG0400X
Type
Allopathic & Osteopathic Physicians
License No.
28664
License State
MA
Taxonomy Description
A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions. Source: National Uniform Claim Committee

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

WILLIAM CALLAHAN MD

Authorized Official Title
OWNER
Authorized Official Phone
(413) 773-5481

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
M13127OTHER (01)MABCMA GROUP
M13127MEDICARE ID-TYPE UNSPECIFIED (04)MA 
9734686MEDICAID (05)MA 

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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 1306915285, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

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
3
Unchanged
Pos 3
0
Doubled → 0
Pos 4
6
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
1
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
2
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
5
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 9 → 18 → 9 5 → 10 → 1 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 0 + 6 + 1 + 8 + 1 + 1 + 0 + 2 + 1 + 6 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1306915285.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Internal Medicine (Gastroenterology)
5 PARK ST
GREENFIELD, MA 01301
Family Medicine (Addiction Medicine)
5 PARK ST
GREENFIELD, MA 01301
Acupuncturist
5 PARK ST
GREENFIELD, MA 01301

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1306915285, enumerated as an "organization" on November 07, 2006.

The provider is located at 5 PARK ST GREENFIELD, MA 01301 and the phone number is (413) 773-5481.

Obstetrics & Gynecology with taxonomy code 207VG0400X and a focus in Gynecology.

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