HATFIELD CARDIOLOGY LLC
NPI 1396055497
Internal Medicine - Cardiovascular Disease in Hyannis, MA

NPI Status: Active since October 07, 2010

Contact Information

46 NORTH ST
HYANNIS, MA
ZIP 02601
Phone: (508) 778-2860

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NPPES record last updated: October 7, 2010. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Organization
  • Internal Medicine
  • Cardiovascular Disease
  • Accepts Insurance

About HATFIELD CARDIOLOGY LLC

This page provides the complete NPI Profile along with additional information for Hatfield Cardiology Llc, an internist established in Hyannis, Massachusetts operating as a Internal Medicine, focusing in cardiovascular disease . The healthcare provider is registered in the NPI registry with number 1396055497 assigned on October 2010. The practitioner's primary taxonomy code is 207RC0000X with license number 82138 (MA). The provider is registered as an organization and their NPI record was last updated 16 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 Mallory Hatfield M.d. (Manager)

NPI
1396055497
Provider Name
HATFIELD CARDIOLOGY LLC
Entity Type
Organization
Location Address
46 NORTH ST HYANNIS, MA 02601
Location Phone
(508) 778-2860
Mailing Address
PO BOX 491 BARNSTABLE, MA 02630
Mailing Phone
(508) 778-2860
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-07-2010
Last Update Date
10-07-2010
Code Navigator

An internist like Hatfield Cardiology Llc 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 Cardiovascular Disease

Taxonomy Code
207RC0000X
Type
Allopathic & Osteopathic Physicians
License No.
82138
License State
MA
Taxonomy Description
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

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:

  • Anthem Bronze Access Blue New England HMO 6000/20%/8000 w/HSA - HMO
  • Anthem Bronze Access Blue New England HMO 7000/50%/8000 w/HSA - HMO
  • Anthem Bronze Access Blue New England HMO 7500/30%/10000 Value - HMO
  • Anthem Bronze Access Blue New England HMO 8500/50%/9200 - HMO
  • Anthem Gold Access Blue New England HMO 1000/20%/7500 - HMO
  • Anthem Gold Access Blue New England HMO 2000/0%/6500 RxD - HMO
  • Anthem Gold Access Blue New England HMO 2000/10%/4600 w/HSA - HMO
  • Anthem Gold Access Blue New England HMO 2000/10%/7500 - HMO
  • Anthem Gold Access Blue New England HMO 2000/20%/4600 w/HSA - HMO
  • Anthem Gold Access Blue New England HMO 3000/0%/7500 RxD - HMO
  • Anthem Gold Access Blue New England HMO 500/30%/9000 - HMO
  • Anthem Platinum Access Blue New England HMO 250/10%/3500 - HMO
  • Anthem Silver Access Blue New England HMO 2500/30%/10000 Value - HMO
  • Anthem Silver Access Blue New England HMO 3000/30%/9000 Value - HMO
  • Anthem Silver Access Blue New England HMO 3500/20%/10000 - HMO
  • Anthem Silver Access Blue New England HMO 3500/20%/7250 w/HSA - HMO
  • Anthem Silver Access Blue New England HMO 4000/0%/9000 - HMO
  • Anthem Silver Access Blue New England HMO 4000/0%/9000 RxD - HMO
  • Anthem Silver Access Blue New England HMO 4000/10%/7250 w/HSA - HMO
  • Anthem Silver Access Blue New England HMO 4000/20%/8500 - HMO

*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

MALLORY HATFIELD M.D.

Authorized Official Title
MANAGER
Authorized Official Phone
(508) 778-2860

Reviews for HATFIELD CARDIOLOGY LLC

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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 1396055497, 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
3
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
6
Unchanged
Pos 5
0
Doubled → 0
Pos 6
5
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
4
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 9 → 18 → 9 0 → 0 5 → 10 → 1 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 8 + 6 + 0 + 5 + 1 + 0 + 4 + 1 + 8 + 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 1396055497.

Other Providers at the Same Location


The following 16 providers are registered at the same or a nearby location.

Neurological Surgery
46 NORTH ST
HYANNIS, MA 02601
Neurological Surgery
46 NORTH ST
HYANNIS, MA 02601
Neurological Surgery
46 NORTH ST
HYANNIS, MA 02601
Anesthesiology (Pain Medicine)
46 NORTH ST
HYANNIS, MA 02601
Internal Medicine (Cardiovascular Disease)
46 NORTH ST, SUITE 6
HYANNIS, MA 02601
Neurological Surgery
46 NORTH ST, 4
HYANNIS, MA 02601
Physical Medicine & Rehabilitation
46 NORTH ST, NEUROSURGEONS OF CAPE COD
HYANNIS, MA 02601
Nurse Practitioner (Family)
46 NORTH ST
HYANNIS, MA 02601
Internal Medicine (Cardiovascular Disease)
46 NORTH ST, SUITE 6
HYANNIS, MA 02601
Internal Medicine (Cardiovascular Disease)
46 NORTH ST, SUITE 6
HYANNIS, MA 02601
Physician Assistant (Surgical)
46 NORTH ST, #4
HYANNIS, MA 02601
Nurse Practitioner (Adult Health)
46 NORTH ST
HYANNIS, MA 02601
Physician Assistant
46 NORTH ST
HYANNIS, MA 02601
Nurse Practitioner (Family)
46 NORTH ST
HYANNIS, MA 02601
Neurological Surgery
46 NORTH ST
HYANNIS, MA 02601
Physician Assistant
46 NORTH ST
HYANNIS, MA 02601

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1396055497, enumerated as an "organization" on October 07, 2010.

The provider is located at 46 NORTH ST HYANNIS, MA 02601 and the phone number is (508) 778-2860.

Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.

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