Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DANIEL MAX KELLER
NPI 1245196302
Student in an Organized Health Care Education/Training Program in Worcester, MA

Active since January 01, 2026
10 LINCOLN SQ, WORCESTER, MA 01608(508) 373-5607 Get Directions Write a Review

NPPES record last updated: July 19, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jul 19, 2026, Jan 1, 2026 (2 updates tracked since 2026).

  • Individual
  • Male
  • Student in an Organized Health Care Educ...

About DANIEL KELLER

This page provides the complete NPI Profile along with additional information for Daniel Keller, a primary care provider established in Worcester, Massachusetts with a medical specialization in Student In An Organized Health Care Education/training Program. The healthcare provider is registered in the NPI registry with number 1245196302 assigned on January 2026. The practitioner's primary taxonomy code is 390200000X. The provider is registered as an individual and his NPI record was last updated July 2026.

NPI
1245196302
Provider Name
DANIEL MAX KELLER
Gender
Male
Entity Type
Individual
Location Address
10 LINCOLN SQ WORCESTER, MA 01608
Location Phone
(508) 373-5607
Mailing Address
4 FERRY ST SOUTH GRAFTON, MA 01560
Mailing Phone
(774) 437-2461
Is Sole Proprietor?
No
Enumeration Date
01-01-2026
Last Update Date
07-19-2026
Code Navigator

A primary care provider (PCP) like Daniel Keller sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

Student in an Organized Health Care Education/Training Program

Taxonomy Code
390200000X
Type
Student, Health Care
Taxonomy Description
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

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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 1245196302, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 8 + 5 + 2 + 9 + 1 + 2 + 3 + 0 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1245196302.

Other Providers at the Same Location


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

Optometrist
10 LINCOLN SQ, EYE AND VISION CENTER
WORCESTER, MA 01608
Optometrist
10 LINCOLN SQ
WORCESTER, MA 01608
Optometrist
10 LINCOLN SQ
WORCESTER, MA 01608
Optometrist
10 LINCOLN SQ
WORCESTER, MA 01608
Optometrist
10 LINCOLN SQ
WORCESTER, MA 01608
Optometrist
10 LINCOLN SQ
WORCESTER, MA 01608
Optometrist
10 LINCOLN SQ
WORCESTER, MA 01608
Student in an Organized Health Care Education/Training Program
10 LINCOLN SQ
WORCESTER, MA 01608
Optometrist
10 LINCOLN SQ
WORCESTER, MA 01608
Physician Assistant
10 LINCOLN SQ
WORCESTER, MA 01608
Optometrist
10 LINCOLN SQ
WORCESTER, MA 01608
Technician/Technologist (Optician)
10 LINCOLN SQ
WORCESTER, MA 01608
Physician Assistant
10 LINCOLN SQ
WORCESTER, MA 01608
Optometrist
10 LINCOLN SQ
WORCESTER, MA 01608
Optometrist
10 LINCOLN SQ
WORCESTER, MA 01608
Physician Assistant
10 LINCOLN SQ
WORCESTER, MA 01608
Physician Assistant
10 LINCOLN SQ
WORCESTER, MA 01608
Optometrist
10 LINCOLN SQ
WORCESTER, MA 01608
Social Worker
10 LINCOLN SQ
WORCESTER, MA 01608
Student in an Organized Health Care Education/Training Program
10 LINCOLN SQ
WORCESTER, MA 01608

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1245196302, enumerated as an "individual" on January 01, 2026.

The provider is located at 10 LINCOLN SQ WORCESTER, MA 01608 and the phone number is (508) 373-5607.

Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.