DR. FREDERICK CARL KOERNER ME
NPI 1821088931
Pathology - Anatomic Pathology in Boston, MA
- Individual
- Male
- Pathology
- Anatomic Pathology
About FREDERICK KOERNER
This page provides the complete NPI Profile along with additional information for Frederick Koerner, a provider established in Boston, Massachusetts with a medical specialization in Pathology, focusing in anatomic pathology . The healthcare provider is registered in the NPI registry with number 1821088931 assigned on October 2005. The practitioner's primary taxonomy code is 207ZP0101X with license number 43527 (MA). The provider is registered as an individual and his NPI record was last updated July 2026.
- NPI
- 1821088931
- Provider Name
- DR. FREDERICK CARL KOERNER ME
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 55 FRUIT ST PATHOLOGY ASSOCIATES WRN BOSTON, MA 02114
- Location Phone
- (617) 726-2967
- Location Fax
- (617) 726-7474
- Mailing Address
- PO BOX 9142 MASS GENERAL PHYSICIAN ORGANIZATION CHARLESTOWN, MA 02129
- Mailing Phone
- (617) 724-0287
- Mailing Fax
- (617) 726-2894
- Is Sole Proprietor?
- No
- Enumeration Date
- 10-28-2005
- Last Update Date
- 07-13-2026
- Code Navigator
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
Pathology Anatomic Pathology
- Taxonomy Code
- 207ZP0101X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 43527
- License State
- MA
- Taxonomy Description
- A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
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.
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 |
|---|---|---|---|
| 6169759 | MEDICAID (05) | MA | |
| 043527 | OTHER (01) | MA | TUFTS HEALTH PLAN |
| J02496 | OTHER (01) | MA | BCBS MA |
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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 1821088931, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).
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 69 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1821088931, enumerated as an "individual" on October 28, 2005.
The provider is located at 55 FRUIT ST PATHOLOGY ASSOCIATES WRN BOSTON, MA 02114 and the phone number is (617) 726-2967.
Pathology with taxonomy code 207ZP0101X and a focus in Anatomic Pathology.
The provider might be accepting Accepts: Medicare, Medicaid, Tufts Health Plan and Blue. Please consult your insurance carrier or call the provider to verify.
