Susannah Giezentaner, DO
NPI 1922123355 · Family Medicine Physician · El Cajon, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susannah Giezentaner, DO is a Family Medicine Physician provider in El Cajon, CA (NPI 1922123355).
Provider details
- NPI number
- 1922123355
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 20A10811 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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 · 100 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 366 | 169 |
| Levothyroxine Sodium | 220 | 96 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 215 | 70 |
| Lisinopril | 209 | 102 |
| Losartan Potassium | 175 | 72 |
| Rosuvastatin Calcium | 171 | 73 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-21
- Last updated
- 2021-12-16
- Certified
- 2021-12-16
Frequently asked questions
- What is Susannah Giezentaner's NPI number?
- Susannah Giezentaner's National Provider Identifier (NPI) is 1922123355, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susannah Giezentaner's specialty?
- Susannah Giezentaner is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Susannah Giezentaner located?
- Susannah Giezentaner's practice location on file with NPPES is 1630 E Main St, El Cajon, CA 92021-5204.
- What is Susannah Giezentaner's phone number?
- The practice phone number listed in the NPPES registry for Susannah Giezentaner is (619) 590-4230.
- Does Susannah Giezentaner accept Medicare?
- Susannah Giezentaner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susannah Giezentaner's NPI active?
- Yes — Susannah Giezentaner's NPI (1922123355) is active in the NPPES registry as of the last update on 2021-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.