HEATHER MASTRIANNO (PSYD) – Psychologist, NPI 1356789234

HEATHER MASTRIANNO (PSYD) is a healthcare provider. based in San marcos, Texas. specializing in CLINICAL PSYCHOLOGIST. They hold the professional credentials PSYD. They hold a License No. 36336 (TX). The NPI Number for HEATHER MASTRIANNO (PSYD) is 1356789234

Main info

Female
15 Years Of Experience
Accepts Medicare Assignment
Name
HEATHER MASTRIANNO (PSYD)
NPI
1356789234
Phone
(830) 730-6090
Address
2003 Medical Pkwy Ste C
Enumeration Date
12 June 2013
Last Update Date
5 August 2025

Doctor Profile

Medical School Name
OTHER
Secondary Phone
8307306090
Graduation Year
2011 (15 years ago)
PAC ID
8729217369
Professional Enrollment ID
I20140131000968
Address ID
TX781307925NE645XXAVEX400
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience48
Completeness85
Years active:12State licenses:1Digital endpointsOther names

1,347 CLINICAL PSYCHOLOGIST in TX

Provider Addresses for HEATHER MASTRIANNO (PSYD)

  • 2003 Medical Pkwy Ste C

    San Marcos, TX 786667554

    Phone: (830) 730-6090

    Type: Location

  • 645 N WALNUT AVE

    NEW BRAUNFELS, TX 781307925

    Phone: (830) 730-6090

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2014-01-31

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20140131000968IClinical PsychologistTXTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 78666)

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Reviews

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Frequently asked questions

What federal number belongs to HEATHER MASTRIANNO (PSYD)?
The federal identifier for HEATHER MASTRIANNO (PSYD) is NPI 1356789234.
Does this profile mean HEATHER MASTRIANNO (PSYD) is currently active?
Yes — HEATHER MASTRIANNO (PSYD) appears active in the national provider directory.
Does HEATHER MASTRIANNO (PSYD) list a primary specialty?
If you are matching referrals, note Psychologist for HEATHER MASTRIANNO (PSYD). Clinical services aligned with this taxonomy classification.
Where is HEATHER MASTRIANNO (PSYD)'s primary listing?
We display San Marcos, Texas because that is what the record indicates for HEATHER MASTRIANNO (PSYD).
Is HEATHER MASTRIANNO (PSYD) a real provider?
This page reflects official NPPES data for NPI 1356789234. Always confirm identity and privileges with the practice and licensing boards.

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