MARIA CRISTINA BUHAY PHARM.D.
NPI 1235066143
Pharmacist - Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist in Lone Tree, CO

NPI Status: Active since May 05, 2026

Contact Information

10101 RIDGEGATE PKWY
LONE TREE, CO
ZIP 80124
Phone: (303) 225-1100

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  • Individual
  • Female
  • Pharmacist
  • Pharmacist Clinician (PhC)/ Clinical Pha...

About MARIA BUHAY

This page provides the complete NPI Profile along with additional information for Maria Buhay, a provider established in Lone Tree, Colorado with a medical specialization in Pharmacist, focusing in pharmacist clinician (phc)/ clinical pharmacy specialist . The healthcare provider is registered in the NPI registry with number 1235066143 assigned on May 2026. The practitioner's primary taxonomy code is 1835P0018X with license number 17325 (CO). The provider is registered as an individual and her NPI record was last updated May 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.

NPI
1235066143
Provider Name
MARIA CRISTINA BUHAY PHARM.D.
Gender
Female
Entity Type
Individual
Location Address
10101 RIDGEGATE PKWY LONE TREE, CO 80124
Location Phone
(303) 225-1100
Mailing Address
6154 MASSIVE PEAK LOOP CASTLE ROCK, CO 80108
Mailing Phone
(720) 225-1100
Is Sole Proprietor?
Yes
Enumeration Date
05-05-2026
Last Update Date
05-05-2026
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A pharmacist like Maria Buhay 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 Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist

Taxonomy Code
1835P0018X
Type
Pharmacy Service Providers
License No.
17325
License State
CO
Taxonomy Description
Pharmacist Clinician/Clinical Pharmacy Specialist is a pharmacist with additional training and an expanded scope of practice that may include prescriptive authority, therapeutic management, and disease management.

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.

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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 1235066143, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 6 + 5 + 0 + 6 + 1 + 2 + 1 + 8 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1235066143.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Nurse Practitioner (Neonatal)
10101 RIDGEGATE PKWY
LONE TREE, CO 80124
Internal Medicine (Cardiovascular Disease)
10101 RIDGEGATE PKWY
LONE TREE, CO 80124
Pathology (Anatomic Pathology & Clinical Pathology)
10101 RIDGEGATE PKWY
LONE TREE, CO 80124
Pathology (Anatomic Pathology & Clinical Pathology)
10101 RIDGEGATE PKWY
LONE TREE, CO 80124
Pathology (Anatomic Pathology & Clinical Pathology)
10101 RIDGEGATE PKWY
LONE TREE, CO 80124
Surgery
10101 RIDGEGATE PKWY
LONE TREE, CO 80124
General Acute Care Hospital
10101 RIDGEGATE PKWY
LONE TREE, CO 80124
Registered Nurse
10101 RIDGEGATE PKWY
LONE TREE, CO 80124
Dietitian, Registered
10101 RIDGEGATE PKWY
LONE TREE, CO 80124
Nurse Practitioner (Neonatal, Critical Care)
10101 RIDGEGATE PKWY
LONE TREE, CO 80124
Physician Assistant
10101 RIDGEGATE PKWY, SUITE 490
LONETREE, CO 80124
Registered Nurse
10101 RIDGEGATE PKWY
LONE TREE, CO 80124
Pathology (Anatomic Pathology & Clinical Pathology)
10101 RIDGEGATE PKWY
LONE TREE, CO 80124
Internal Medicine
10101 RIDGEGATE PKWY
LONE TREE, CO 80124
Internal Medicine
10101 RIDGEGATE PKWY
LONE TREE, CO 80124
Pathology (Anatomic Pathology & Clinical Pathology)
10101 RIDGEGATE PKWY
LONE TREE, CO 80124
Surgery
10101 RIDGEGATE PKWY
LONE TREE, CO 80124
Physical Therapist
10101 RIDGEGATE PKWY
LONE TREE, CO 80124
Internal Medicine
10101 RIDGEGATE PKWY, SKY RIDGE INTERNAL MEDICINE RESIDENCY
LONE TREE, CO 80124

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1235066143, enumerated as an "individual" on May 05, 2026.

The provider is located at 10101 RIDGEGATE PKWY LONE TREE, CO 80124 and the phone number is (303) 225-1100.

Pharmacist with taxonomy code 1835P0018X and a focus in Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist.