Sieghart Ponhold, M.D
NPI 1891883955 · Family Medicine Physician · Norwalk, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sieghart Ponhold, M.D is a Family Medicine Physician provider in Norwalk, CA (NPI 1891883955).
Provider details
- NPI number
- 1891883955
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- A35148 (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 · 122 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 328 | 111 |
| Amlodipine Besylate | 221 | 69 |
| Levothyroxine Sodium | 214 | 59 |
| Metformin Hcl | 197 | 64 |
| Tamsulosin Hcl | 163 | 43 |
| Furosemide | 161 | 68 |
| Omeprazole | 153 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-11
- Last updated
- 2018-09-20
Frequently asked questions
- What is Sieghart Ponhold's NPI number?
- Sieghart Ponhold's National Provider Identifier (NPI) is 1891883955, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sieghart Ponhold's specialty?
- Sieghart Ponhold is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sieghart Ponhold located?
- Sieghart Ponhold's practice location on file with NPPES is 13132 Studebaker Rd, Norwalk, CA 90650-2576.
- What is Sieghart Ponhold's phone number?
- The practice phone number listed in the NPPES registry for Sieghart Ponhold is (562) 474-8877.
- Does Sieghart Ponhold accept Medicare?
- Sieghart Ponhold is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sieghart Ponhold's NPI active?
- Yes — Sieghart Ponhold's NPI (1891883955) is active in the NPPES registry as of the last update on 2018-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.