Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Nyssah Dawn Perrine, RN, FPMHNP-BC

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1114226289

Nyssah Dawn Perrine, RN, FPMHNP-BC is a Nurse Practitioner in San Angelo, Texas. Qualified in 2010, 16 years ago. Practices with Shannon Clinic, a 547-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
16
Licensed in
TX
In the registry since
2011
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

424 S Oakes St
San Angelo, TX 76903-5944 Not confirmed with CMS for 15 years — call before visiting
Phone: (325) 486-4500
Fax: (325) 486-2968
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 729871 (TX)

Record details

NPI number1114226289
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , FPMHNP-BC
Sole proprietorYes
NPI enumeratedMarch 15, 2011
Last updated in NPPESMarch 15, 2011

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Shannon Clinic — 547 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients103
Services billed 447 a service is one billed item, such as a visit, a test or a procedure
Average patient age64

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $61 3 payments · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Shannon Clinic

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 547 clinicians in the practice; 12 are shown here.

Other providers in San Angelo