DELANEY DEMAS WALLIN
NPI 1407538358
Pharmacist - Ambulatory Care in Worcester, MA

NPI Status: Active since August 01, 2023

Contact Information

55 LAKE AVE N
WORCESTER, MA
ZIP 01655
Phone: (774) 622-1903

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  • Individual
  • Female
  • Pharmacist
  • Ambulatory Care

About DELANEY WALLIN

This page provides the complete NPI Profile along with additional information for Delaney Wallin, a provider established in Worcester, Massachusetts with a medical specialization in Pharmacist, focusing in ambulatory care . The healthcare provider is registered in the NPI registry with number 1407538358 assigned on August 2023. The practitioner's primary taxonomy code is 1835P2201X with license number PH241648 (MA). The provider is registered as an individual and her NPI record was last updated January 2026.

NPI
1407538358
Provider Name
DELANEY DEMAS WALLIN
Gender
Female
Entity Type
Individual
Location Address
55 LAKE AVE N WORCESTER, MA 01655
Location Phone
(774) 622-1903
Mailing Address
4 BISHOP ST G14 FRAMINGHAM, MA 01702
Mailing Phone
(860) 918-5070
Is Sole Proprietor?
No
Enumeration Date
08-01-2023
Last Update Date
01-23-2026
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A pharmacist like Delaney Wallin fills prescription medications, verifying instructions from physicians and offers expertise in the safe use of prescriptions. Pharmacists instruct patients on how to take a prescribed medicine and educate patients about potential side effects. Pharmacists might also conduct health and wellness screenings, provide immunizations, oversee the medications given to patients, and provide advice on healthy lifestyles.

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

Pharmacist Ambulatory Care

Taxonomy Code
1835P2201X
Type
Pharmacy Service Providers
License No.
PH241648
License State
MA
Taxonomy Description
A licensed pharmacist who has demonstrated specialized knowledge and skill in the provision of integrated, accessible health care services by pharmacists and is accountable for addressing medication needs, developing sustained partnerships with patients, and practicing in the context of family and community.

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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 1407538358, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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
4
Unchanged
Pos 3
0
Doubled → 0
Pos 4
7
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
3
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
3
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
8
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 5 → 10 → 1 8 → 16 → 7 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 0 + 7 + 1 + 0 + 3 + 1 + 6 + 3 + 1 + 0 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1407538358.

Other Providers at the Same Location


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

Pharmacist (Pharmacotherapy)
55 LAKE AVE N, UMASS MED CENTER DEPT OF PHARMACY
WORCESTER, MA 01655
Nurse Anesthetist, Certified Registered
55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY
WORCESTER, MA 01655
Internal Medicine (Cardiovascular Disease)
55 LAKE AVE N, CARDIOLOGY
WORCESTER, MA 01655
Psychiatry & Neurology (Psychiatry)
55 LAKE AVE N
WORCESTER, MA 01655
Pharmacist (Pharmacotherapy)
55 LAKE AVE N
WORCESTER, MA 01655
Genetic Counselor, MS
55 LAKE AVE N, S1-710
WORCESTER, MA 01655
Emergency Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Internal Medicine (Rheumatology)
55 LAKE AVE N
WORCESTER, MA 01655
Internal Medicine
55 LAKE AVE N, DEPARTMENT OF GENERAL MEDICINE
WORCESTER, MA 01655
Pathology (Anatomic Pathology)
55 LAKE AVE N, DEPARTMENT OF PATHOLOGY
WORCESTER, MA 01655
Pediatrics (Adolescent Medicine)
55 LAKE AVE N, DEPARTMENT OF PEDIATRIC ADOLESCENT MEDICINE
WORCESTER, MA 01655
Anesthesiology
55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY
WORCESTER, MA 01655
Anesthesiology
55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY
WORCESTER, MA 01655
Internal Medicine (Cardiovascular Disease)
55 LAKE AVE N
WORCESTER, MA 01655
Thoracic Surgery (Cardiothoracic Vascular Surgery)
55 LAKE AVE N, DEPARTMENT OF SURGERY
WORCESTER, MA 01655
Emergency Medicine
55 LAKE AVE N, DEPARTMENT OF EMERGENCY MEDICINE
WORCESTER, MA 01655
Surgery (Surgical Critical Care)
55 LAKE AVE N, DEPARTMENT OF SURGICAL CRITICAL CARE
WORCESTER, MA 01655
Internal Medicine (Rheumatology)
55 LAKE AVE N, DEPARTMENT OF RHEUMATOLOGY
WORCESTER, MA 01655
Internal Medicine (Rheumatology)
55 LAKE AVE N, DEPARTMENT OF RHEUMATOLOGY
WORCESTER, MA 01655
Internal Medicine
55 LAKE AVE N, DEPARTMENT OF INTERNAL MEDICINE
WORCESTER, MA 01655

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1407538358, enumerated as an "individual" on August 01, 2023.

The provider is located at 55 LAKE AVE N WORCESTER, MA 01655 and the phone number is (774) 622-1903.

Pharmacist with taxonomy code 1835P2201X and a focus in Ambulatory Care.