Sandy Diep, FNP-BC
NPI 1528487980 · Nurse Practitioner · Dallas, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandy Diep, FNP-BC is a Nurse Practitioner provider in Dallas, TX (NPI 1528487980).
Provider details
- NPI number
- 1528487980
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 771140 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
559 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 267 | $148 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 116 | $107 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 115 | $75 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 47 | $13 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 14 | $107 |
Typical Medicare-allowed amounts for these services range $13–$148 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Calcitriol | 182 | 72 |
| Amlodipine Besylate | 177 | 61 |
| Furosemide | 160 | 71 |
| Losartan Potassium | 122 | 45 |
| Carvedilol | 114 | 37 |
| Lisinopril | 99 | 37 |
| Empagliflozinbrand: Jardiance | 81 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,056 across 11 records (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
Registry dates
- Enumerated
- 2014-04-14
- Last updated
- 2019-05-23
Frequently asked questions
- What is Sandy Diep's NPI number?
- Sandy Diep's National Provider Identifier (NPI) is 1528487980, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandy Diep's specialty?
- Sandy Diep is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sandy Diep located?
- Sandy Diep's practice location on file with NPPES is 5939 Harry Hines Blvd 9th Fl Ste 925, Dallas, TX 75390-7708.
- What is Sandy Diep's phone number?
- The practice phone number listed in the NPPES registry for Sandy Diep is (214) 645-2870.
- Does Sandy Diep accept Medicare?
- Sandy Diep is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandy Diep's NPI active?
- Yes — Sandy Diep's NPI (1528487980) is active in the NPPES registry as of the last update on 2019-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.