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

ALEXANDRA M. VILLAGRAN MD
NPI 1780262220
Psychiatry & Neurology - Child & Adolescent Psychiatry in The Woodlands, TX

Active since March 29, 2021PECOS Enrolled
17350 ST LUKES WAY STE 220, THE WOODLANDS, TX 77384(281) 465-9229 Get Directions Write a Review

NPPES record last updated: July 2, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Aug 16, 2022, Mar 29, 2021 (2 updates tracked since 2021).

  • Individual
  • Female
  • Psychiatry & Neurology
  • Child & Adolescent Psychiatry
  • PECOS Enrolled

About ALEXANDRA VILLAGRAN

This page provides the complete NPI Profile along with additional information for Alexandra Villagran, a provider established in The Woodlands, Texas with a medical specialization in Psychiatry & Neurology, focusing in child & adolescent psychiatry . The healthcare provider is registered in the NPI registry with number 1780262220 assigned on March 2021. The practitioner's primary taxonomy code is 2084P0804X with license number 12985121-1205 (UT). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1780262220
Provider Name
ALEXANDRA M. VILLAGRAN MD
Gender
Female
Entity Type
Individual
Location Address
17350 ST LUKES WAY STE 220 THE WOODLANDS, TX 77384
Location Phone
(281) 465-9229
Mailing Address
17350 ST LUKES WAY STE 220 THE WOODLANDS, TX 77384
Mailing Phone
(281) 465-9229
Is Sole Proprietor?
No
Enumeration Date
03-29-2021
Last Update Date
07-02-2026
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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

Psychiatry & Neurology Child & Adolescent Psychiatry

Taxonomy Code
2084P0804X
Type
Allopathic & Osteopathic Physicians
License No.
12985121-1205
License State
UT
Taxonomy Description
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1208000000XAllopathic & Osteopathic Physicians

Pediatrics

12985121-1205 (UT)
22084P0800XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Psychiatry

12985121-1205 (UT)

Medicare Participation & PECOS Enrollment Status

Alexandra Villagran is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Durable Medical Equipment (DME) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: No

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): No

  • Eligible to Order or Refer Power Mobility Devices: Yes

Reviews for ALEXANDRA M. VILLAGRAN MD

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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 1780262220, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
7
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
0
Unchanged
Pos 5
2
Doubled → 4
Pos 6
6
Unchanged
Pos 7
2
Doubled → 4
Pos 8
2
Unchanged
Pos 9
2
Doubled → 4
Check
0
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 8 → 16 → 7 2 → 4 2 → 4 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 6 + 0 + 4 + 6 + 4 + 2 + 4 + 24 = 60

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

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

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1780262220.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Psychiatry & Neurology (Psychiatry)
17350 ST LUKES WAY STE 220
THE WOODLANDS, TX 77384
Counselor (Professional)
17350 ST LUKES WAY STE 220
THE WOODLANDS, TX 77384
Dietitian, Registered
17350 ST LUKES WAY STE 220
THE WOODLANDS, TX 77384
Dietitian, Registered
17350 ST LUKES WAY STE 220
THE WOODLANDS, TX 77384
Social Worker (Clinical)
17350 ST LUKES WAY STE 220
THE WOODLANDS, TX 77384

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1780262220, enumerated as an "individual" on March 29, 2021.

The provider is located at 17350 ST LUKES WAY STE 220 THE WOODLANDS, TX 77384 and the phone number is (281) 465-9229.

Psychiatry & Neurology with taxonomy code 2084P0804X and a focus in Child & Adolescent Psychiatry.