Greg Hachigian, M.D.
NPI 1558342022 · Emergency Medicine Physician · Sacramento, CA
Greg Hachigian, M.D. is a Emergency Medicine Physician provider in Sacramento, CA (NPI 1558342022).
Provider details
- NPI number
- 1558342022
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G52260 (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
20 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
Mailing address
Registry dates
- Enumerated
- 2005-11-10
- Last updated
- 2009-06-04
Frequently asked questions
- What is Greg Hachigian's NPI number?
- Greg Hachigian's National Provider Identifier (NPI) is 1558342022, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greg Hachigian's specialty?
- Greg Hachigian is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Greg Hachigian located?
- Greg Hachigian's practice location on file with NPPES is 2315 Stockton Blvd, Sacramento, CA 95817-2201.
- What is Greg Hachigian's phone number?
- The practice phone number listed in the NPPES registry for Greg Hachigian is (916) 734-5010.
- Is Greg Hachigian's NPI active?
- Yes — Greg Hachigian's NPI (1558342022) is active in the NPPES registry as of the last update on 2009-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.