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Sigfred Ian Alpajaro, MD
NPI 1518487313 · Urology Physician · Sacramento, CA
Sigfred Ian Alpajaro, MD is a Urology Physician provider in Sacramento, CA (NPI 1518487313).
Provider details
- NPI number
- 1518487313
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- XXXXX (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(70/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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.
Practice location
4860 Y St Ste 2200
Sacramento, CA 95817-2307
Phone: (916) 734-2222
Fax: (916) 734-7676
Street-level locationGet directions
Mailing address
4860 Y St Ste 3500
Sacramento, CA 95817-2307
Registry dates
- Enumerated
- 2017-06-22
- Last updated
- 2017-06-30
Frequently asked questions
- What is Sigfred Ian Alpajaro's NPI number?
- Sigfred Ian Alpajaro's National Provider Identifier (NPI) is 1518487313, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sigfred Ian Alpajaro's specialty?
- Sigfred Ian Alpajaro is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Sigfred Ian Alpajaro located?
- Sigfred Ian Alpajaro's practice location on file with NPPES is 4860 Y St Ste 2200, Sacramento, CA 95817-2307.
- What is Sigfred Ian Alpajaro's phone number?
- The practice phone number listed in the NPPES registry for Sigfred Ian Alpajaro is (916) 734-2222.
- Is Sigfred Ian Alpajaro's NPI active?
- Yes — Sigfred Ian Alpajaro's NPI (1518487313) is active in the NPPES registry as of the last update on 2017-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.