MERRIMACK VALLEY INTERNAL MEDICINE ASSOCIATES, PC
NPI 1801809967
Internal Medicine in N Chelmsford, MA

NPI Status: Active since August 13, 2006

Contact Information

20 RESEARCH PL
SUITE 310
N CHELMSFORD, MA
ZIP 01863
Phone: (978) 459-2152
Fax: (978) 452-7285

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  • Organization
  • Internal Medicine
  • CLIA Number: 22D0979424
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 10-22-2026

About MERRIMACK VALLEY INTERNAL MEDICINE ASSOCIATES, PC

This page provides the complete NPI Profile along with additional information for Merrimack Valley Internal Medicine Associates, Pc, an internist established in N Chelmsford, Massachusetts operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1801809967 assigned on August 2006. The practitioner's primary taxonomy code is 207R00000X with license number 42398 (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 provider's is doing business as Merrimack Valley Internal Medicine Associates, Pc. The authorized official of this NPI record is Philip J Tavano M.d. (President)

NPI
1801809967
Provider Legal Name
PHILIP J TAVANO MD PC
Other Organization Name
MERRIMACK VALLEY INTERNAL MEDICINE ASSOCIATES, PC
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
20 RESEARCH PL SUITE 310 N CHELMSFORD, MA 01863
Location Phone
(978) 459-2152
Location Fax
(978) 452-7285
Mailing Address
20 RESEARCH PL SUITE 310 N CHELMSFORD, MA 01863
Mailing Phone
(978) 459-2152
Mailing Fax
(978) 452-7285
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-13-2006
Last Update Date
04-10-2008
Code Navigator

An internist like Merrimack Valley Internal Medicine Associates, Pc 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

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
42398
License State
MA
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Group Taxonomy 193400000X MULTIPLE 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.

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

PHILIP J TAVANO M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(978) 459-2152

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
1205861390OTHER (01)NPI
00-00760OTHER (01)MAEVERCARE
1710919238OTHER (01)NPI
MX7294MEDICARE PIN (08) 
A38166MEDICARE UPIN (02) 
1043245145OTHER (01)NPI
C0470MEDICARE PIN (08)MA 
PHM13259OTHER (01)MABLUE SHIELD OF MA
M13259MEDICARE ID-TYPE UNSPECIFIED (04) 
MX3821MEDICARE PIN (08) 
G91515MEDICARE UPIN (02) 
9719741MEDICAID (05)MA 
CX05345MEDICARE PIN (08) 
702916OTHER (01)MATUFTS HEALTH PLAN
G97404MEDICARE UPIN (02) 

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
22D0979424
Facility Type
Physician Office
Certificate Effective Date
October 23, 2024
Certificate Expiration Date
October 22, 2026
Laboratory Director
LOUIS BRESNICK
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Merrimack Valley Internal Medicine Associates, Pc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

Reviews for MERRIMACK VALLEY INTERNAL MEDICINE ASSOCIATES, PC

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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 1801809967, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
8
Unchanged
Pos 3
0
Doubled → 0
Pos 4
1
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
0
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
9
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
7
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 9 → 18 → 9 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 0 + 1 + 1 + 6 + 0 + 1 + 8 + 9 + 1 + 2 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1801809967.

Other Providers at the Same Location


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

Surgery
20 RESEARCH PL, SUITE 100
NORTH CHELMSFORD, MA 01863
Internal Medicine
20 RESEARCH PL, SUITE 310
N CHELMSFORD, MA 01863
Internal Medicine
20 RESEARCH PL, SUITE 310
N CHELMSFORD, MA 01863
Internal Medicine
20 RESEARCH PL, SUITE 310
N CHELMSFORD, MA 01863
Nurse Practitioner (Family)
20 RESEARCH PL, SUITE 310
N CHELMSFORD, MA 01863
Nurse Practitioner
20 RESEARCH PL, SUITE 220
NORTH CHELMSFORD, MA 01863
Specialist
20 RESEARCH PL, SUITE 300
NORTH CHELMSFORD, MA 01863
Internal Medicine
20 RESEARCH PL, SUITE 130
NORTH CHELMSFORD, MA 01863
Surgery
20 RESEARCH PL, SUITE 100
NORTH CHELMSFORD, MA 01863
Pediatrics
20 RESEARCH PL, 200
N CHELMSFORD, MA 01863
Pediatrics
20 RESEARCH PL
NORTH CHELMSFORD, MA 01863
Specialist
20 RESEARCH PL, SUITE 320
NORTH CHELMSFORD, MA 01863
Nurse Practitioner (Acute Care)
20 RESEARCH PL
N CHELMSFORD, MA 01863
Pediatrics
20 RESEARCH PL, SUITE 200
NORTH CHELMSFORD, MA 01863
Internal Medicine
20 RESEARCH PL, SUITE 100
NORTH CHELMSFORD, MA 01863
Physical Therapist
20 RESEARCH PL, SUITE 220
NORTH CHELMSFORD, MA 01863
Specialist
20 RESEARCH PL, SUITE 320
NORTH CHELMSFORD, MA 01863
Specialist
20 RESEARCH PL
N CHELMSFORD, MA 01863
Nurse Practitioner (Obstetrics & Gynecology)
20 RESEARCH PL, SUITE 300
N CHELMSFORD, MA 01863
Nurse Practitioner (Family)
20 RESEARCH PL
N CHELMSFORD, MA 01863

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1801809967, enumerated as an "organization" on August 13, 2006.

The provider is located at 20 RESEARCH PL SUITE 310 N CHELMSFORD, MA 01863 and the phone number is (978) 459-2152.

Internal Medicine with taxonomy code 207R00000X.

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