Choi Siegel, NP
NPI 1912236001 · Gerontology Nurse Practitioner · Pasadena, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Choi Siegel, NP is a Gerontology Nurse Practitioner provider in Pasadena, CA (NPI 1912236001).
Provider details
- NPI number
- 1912236001
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 19272 (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 tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alendronate Sodium | 276 | 166 |
| Glipizide | 202 | 104 |
| Metformin Hcl | 92 | 55 |
| Metformin Hclbrand: Metformin Hcl Er | 78 | 37 |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle | 53 | 28 |
| Insulin Nph Human Isophanebrand: Humulin N Kwikpen | 51 | 24 |
| Insulin Glargine-Yfgn | 49 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-12-18
- Last updated
- 2021-12-01
- Certified
- 2021-12-01
Frequently asked questions
- What is Choi Siegel's NPI number?
- Choi Siegel's National Provider Identifier (NPI) is 1912236001, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Choi Siegel's specialty?
- Choi Siegel is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Choi Siegel located?
- Choi Siegel's practice location on file with NPPES is 301 S Fair Oaks Ave Ste 300, Pasadena, CA 91105-2562.
- What is Choi Siegel's phone number?
- The practice phone number listed in the NPPES registry for Choi Siegel is (818) 472-0428.
- Does Choi Siegel accept Medicare?
- Choi Siegel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Choi Siegel's NPI active?
- Yes — Choi Siegel's NPI (1912236001) is active in the NPPES registry as of the last update on 2021-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.