Sandy Ung, FNP-BC
NPI 1023863487 · Family Nurse Practitioner · Yucaipa, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandy Ung, FNP-BC is a Family Nurse Practitioner provider in Yucaipa, CA (NPI 1023863487).
Provider details
- NPI number
- 1023863487
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 95029733 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
2 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,515 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 1,242 | $66 |
| Measurement of Brain Wave Activity (eeg), Awake and Drowsy95816 | 653 | $358 |
| Therapy Procedure for a Range of Mental Processes, Initial 15 Minutes97129 | 650 | $19 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 413 | $109 |
| Evaluation of Neuropsychological Test, First Hour96132 | 329 | $111 |
| Biofeedback Training90901 | 161 | $36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$125 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 13542 2nd StYucaipa, CA 92399-5396Phone: (872) 231-3162Fax: (702) 977-1496
Registry dates
- Enumerated
- 2024-04-19
- Last updated
- 2025-11-03
- Certified
- 2025-11-03
Frequently asked questions
- What is Sandy Ung's NPI number?
- Sandy Ung's National Provider Identifier (NPI) is 1023863487, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandy Ung's specialty?
- Sandy Ung is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sandy Ung located?
- Sandy Ung's practice location on file with NPPES is 11970 4th St, Yucaipa, CA 92399-2720.
- What is Sandy Ung's phone number?
- The practice phone number listed in the NPPES registry for Sandy Ung is (872) 231-3162.
- Does Sandy Ung accept Medicare?
- Sandy Ung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandy Ung's NPI active?
- Yes — Sandy Ung's NPI (1023863487) is active in the NPPES registry as of the last update on 2025-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.