Natalie Passey, FNP
NPI 1821717984 · Primary Care Nurse Practitioner · Union City, CA
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Natalie Passey, FNP is a Primary Care Nurse Practitioner provider in Union City, CA (NPI 1821717984).
Provider details
- NPI number
- 1821717984
- Entity type
- Individual
- Primary specialty
- Primary Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- NP95021918 (CA)
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 tenure33% of score
3 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metformin Hcl | 58 | 21 |
| Lisinopril | 47 | 17 |
| Atorvastatin Calcium | 45 | 21 |
| Amlodipine Besylate | 39 | 16 |
| Losartan Potassium | 26 | 11 |
| Omeprazole | 25 | — |
| Famotidine | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$52 across 2 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
Additional practice locations (1)
- 22331 Mission BlvdHayward, CA 94541-3911Phone: (510) 471-5880
Registry dates
- Enumerated
- 2022-08-23
- Last updated
- 2026-04-21
- Certified
- 2026-04-21
Frequently asked questions
- What is Natalie Passey's NPI number?
- Natalie Passey's National Provider Identifier (NPI) is 1821717984, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Natalie Passey's specialty?
- Natalie Passey is listed in the NPPES registry with a primary specialty of Primary Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Natalie Passey located?
- Natalie Passey's practice location on file with NPPES is 33255 9th St, Union City, CA 94587-2137.
- What is Natalie Passey's phone number?
- The practice phone number listed in the NPPES registry for Natalie Passey is (510) 471-5880.
- Does Natalie Passey accept Medicare?
- Natalie Passey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Natalie Passey's NPI active?
- Yes — Natalie Passey's NPI (1821717984) is active in the NPPES registry as of the last update on 2026-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.