FRANCIS P. MACMILLAN M.D.
NPI 1053316620
Internal Medicine - Gastroenterology in Haverhill, MA

NPI Status: Active since June 20, 2005

Contact Information

1 PARKWAY
HAVERHILL, MA
ZIP 01830
Phone: (978) 521-3235
Fax: (978) 521-3236

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  • Individual
  • Male
  • Internal Medicine
  • Gastroenterology

About FRANCIS MACMILLAN

This page provides the complete NPI Profile along with additional information for Francis Macmillan, an internist established in Haverhill, Massachusetts with a medical specialization in Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1053316620 assigned on June 2005. The practitioner's primary taxonomy code is 207RG0100X with license number 80533 (MA). The provider is registered as an individual and his NPI record was last updated 15 years ago.

NPI
1053316620
Provider Name
FRANCIS P. MACMILLAN M.D.
Gender
Male
Entity Type
Individual
Location Address
1 PARKWAY HAVERHILL, MA 01830
Location Phone
(978) 521-3235
Location Fax
(978) 521-3236
Mailing Address
1 PARKWAY HAVERHILL, MA 01830
Mailing Phone
(978) 521-3235
Mailing Fax
(978) 521-3236
Is Sole Proprietor?
No
Enumeration Date
06-20-2005
Last Update Date
05-26-2011
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An internist like Francis Macmillan 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 Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License No.
80533
License State
MA
Taxonomy Description
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

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.

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.

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.

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
00000290OTHER (01)NHNEW HAMPSHIRE MEDICAID
60737OTHER (01)MAHARVARD PILGRIM HEALTHCAR
975013OTHER (01)NETWORK HEALTH
110004450AMEDICAID (05)MA 
A54053OTHER (01)NHANTHEM BLUE CROSS
63070OTHER (01)HEALTHSOURCE
A54053MEDICARE UPIN (02)MA 
D1108301MEDICARE PIN (08)MA 
0016284OTHER (01)NEIGHBORHOOD HEALTH PLAN
1905827OTHER (01)CIGNA
D11083OTHER (01)MABLUE CROSS BLUE SHIELD
100014708OTHER (01)RAILROAD MEDICARE
028851OTHER (01)MATUFTS HEALTH PLAN
29-00835OTHER (01)EVERCARE

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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 1053316620, 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 50. The final step is to find the difference between that total and the next multiple of ten (50 - 50 = 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.

Pos 1
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
3
Unchanged
Pos 5
3
Doubled → 6
Pos 6
1
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
6
Unchanged
Pos 9
2
Doubled → 4
Check
0
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 5 → 10 → 1 3 → 6 6 → 12 → 3 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 0 + 3 + 6 + 1 + 1 + 2 + 6 + 4 + 24 = 50

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

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

50 - 50 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1053316620.

Other Providers at the Same Location


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

Pediatrics
1 PARKWAY
HAVERHILL, MA 01830
Internal Medicine (Cardiovascular Disease)
1 PARKWAY
HAVERHILL, MA 01830
Internal Medicine (Gastroenterology)
1 PARKWAY
HAVERHILL, MA 01830
Nurse Practitioner (Pediatrics)
1 PARKWAY
HAVERHILL, MA 01830
Nurse Practitioner
1 PARKWAY
HAVERHILL, MA 01830
Physician Assistant (Medical)
1 PARKWAY
HAVERHILL, MA 01830
Clinical Medical Laboratory
1 PARKWAY
HAVERHILL, MA 01830
Clinic/Center (Multi-Specialty)
1 PARKWAY
HAVERHILL, MA 01830
Clinic/Center (Radiology)
1 PARKWAY
HAVERHILL, MA 01830
Dietitian, Registered
1 PARKWAY
HAVERHILL, MA 01830
Dietitian, Registered
1 PARKWAY
HAVERHILL, MA 01830
Nurse Practitioner (Adult Health)
1 PARKWAY
HAVERHILL, MA 01830
Registered Nurse (Diabetes Educator)
1 PARKWAY
HAVERHILL, MA 01830
Clinic/Center (Magnetic Resonance Imaging (MRI))
1 PARKWAY
HAVERHILL, MA 01830
Pediatrics
1 PARKWAY
HAVERHILL, MA 01830
Internal Medicine (Pulmonary Disease)
1 PARKWAY
HAVERHILL, MA 01830
Pediatrics
1 PARKWAY
HAVERHILL, MA 01830
Internal Medicine
1 PARKWAY
HAVERHILL, MA 01830
Pediatrics
1 PARKWAY
HAVERHILL, MA 01830
Internal Medicine
1 PARKWAY
HAVERHILL, MA 01830

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1053316620, enumerated as an "individual" on June 20, 2005.

The provider is located at 1 PARKWAY HAVERHILL, MA 01830 and the phone number is (978) 521-3235.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

The provider might be accepting Accepts: Medicare, Medicaid, Blue Cross Blue Shield, Anthem. Please consult your insurance carrier or call the provider to verify.