Justin Hamman, MD
NPI 1245859818 · Anesthesiology Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Hamman, MD is a Anesthesiology Physician provider in Sacramento, CA (NPI 1245859818).
Provider details
- NPI number
- 1245859818
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A183010 (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
6 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
- 2020-04-13
- Last updated
- 2025-07-28
- Certified
- 2025-07-28
Frequently asked questions
- What is Justin Hamman's NPI number?
- Justin Hamman's National Provider Identifier (NPI) is 1245859818, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Hamman's specialty?
- Justin Hamman is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Hamman located?
- Justin Hamman's practice location on file with NPPES is 4150 V Street, Pssb 1200, Sacramento, CA 95817.
- What is Justin Hamman's phone number?
- The practice phone number listed in the NPPES registry for Justin Hamman is (916) 734-5028.
- Does Justin Hamman accept Medicare?
- Justin Hamman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Hamman's NPI active?
- Yes — Justin Hamman's NPI (1245859818) is active in the NPPES registry as of the last update on 2025-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.