Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Dr. Sai-Han Ackerman Yu, DNP, APRN, FNP-BC

Individual provider Family Nurse Practitioner · NPI 1831656081

Dr. Sai-Han Ackerman Yu, DNP, APRN, FNP-BC is a Nurse Practitioner in San Antonio, Texas. Qualified in 2018, 8 years ago. Practices with Wellmed Medical Group PA, a 664-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
8
Licensed in
TX
In the registry since
2019
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
FNP-BC — Family Nurse Practitioner, Board Certified
A family nurse practitioner certified by the ANCC.

See every abbreviation used in this directory →

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Practice location Address checks out

9179 Grissom Rd Ste 101
San Antonio, TX 78251-2810
Phone: (210) 680-8081
Fax: (210) 680-3179
Show map & directions

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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 3727 Roosevelt Ave, San Antonio, TX 78214-2934 — (210) 922-5922
  • 19575 K St, Somerset, TX 78069-4542 — (210) 922-1144

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence AP140686 (TX)

Record details

NPI number1831656081
Entity typeIndividual (Type 1)
GenderFemale
Credentials DNP , APRN , FNP-BC
Sole proprietorYes
NPI enumeratedFebruary 25, 2019
Last updated in NPPESJanuary 20, 2021
Certification dateJanuary 20, 2021

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Wellmed Medical Group Pa — 664 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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 patients116
Services billed 283 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

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.

Colleagues at Wellmed Medical Group PA

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 664 clinicians in the practice; 12 are shown here.

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