Whitney Williams, FNP
NPI 1619430808 · Family Nurse Practitioner · Fremont, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Whitney Williams, FNP is a Family Nurse Practitioner provider in Fremont, CA (NPI 1619430808).
Provider details
- NPI number
- 1619430808
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 95010853 (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
7 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
1,638 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 511 | $9 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 439 | $59 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 380 | $93 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 125 | $15 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 66 | $26 |
| Advance Care Planning, First 30 Minutes99497 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 74 | 16 |
| Semaglutidebrand: Ozempic | 41 | — |
| Amlodipine Besylate | 36 | — |
| Atorvastatin Calcium | 31 | — |
| Baclofen | 22 | 11 |
| Nystatin | 21 | — |
| Levothyroxine Sodium | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$103 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
Registry dates
- Enumerated
- 2019-04-13
- Last updated
- 2025-12-04
- Certified
- 2025-12-04
Frequently asked questions
- What is Whitney Williams's NPI number?
- Whitney Williams's National Provider Identifier (NPI) is 1619430808, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Whitney Williams's specialty?
- Whitney Williams is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Whitney Williams located?
- Whitney Williams's practice location on file with NPPES is 2287 Mowry Ave Ste C, Fremont, CA 94538-1622.
- What is Whitney Williams's phone number?
- The practice phone number listed in the NPPES registry for Whitney Williams is (510) 248-1700.
- Does Whitney Williams accept Medicare?
- Whitney Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Whitney Williams's NPI active?
- Yes — Whitney Williams's NPI (1619430808) is active in the NPPES registry as of the last update on 2025-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.