Mark E. Eastham, M.D.
NPI 1669686747 · Neurological Surgery Physician · San Jose, CA
Mark E. Eastham, M.D. is a Neurological Surgery Physician organization in San Jose, CA (NPI 1669686747).
Provider details
- NPI number
- 1669686747
- Entity type
- Organization
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mark Eastham, M.D.(408) 241-2968
- License
- G65379 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-09
- Last updated
- 2020-08-22
Frequently asked questions
- What is Mark E. Eastham, M.D.'s NPI number?
- Mark E. Eastham, M.D.'s National Provider Identifier (NPI) is 1669686747, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark E. Eastham, M.D.?
- Mark E. Eastham, M.D. is classified in the NPPES registry as Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Mark E. Eastham, M.D. located?
- Mark E. Eastham, M.D.'s practice location on file with NPPES is 2505 Samaritan Dr, San Jose, CA 95124-4006.
- What is Mark E. Eastham, M.D.'s phone number?
- The practice phone number listed in the NPPES registry for Mark E. Eastham, M.D. is (408) 241-2968.
- Who is the authorized official for Mark E. Eastham, M.D.?
- The authorized official listed on Mark E. Eastham, M.D.'s NPPES record is Mark Eastham, M.D.. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark E. Eastham, M.D.'s NPI active?
- Yes — Mark E. Eastham, M.D.'s NPI (1669686747) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.