Israel Chambi, M.D.
NPI 1205870565 · Specialist · Santa Ana, CA
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Israel Chambi, M.D. is a Specialist provider in Santa Ana, CA (NPI 1205870565).
Provider details
- NPI number
- 1205870565
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A34163 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
310 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 299 | $192 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 11 | $236 |
Typical Medicare-allowed amounts for these services range $192–$236 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 163 | 26 |
| Gabapentin | 108 | 23 |
| Oxycodone Hcl | 68 | — |
| Lorazepam | 59 | — |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 35 | — |
| Clonazepam | 32 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-16
- Last updated
- 2010-04-23
Frequently asked questions
- What is Israel Chambi's NPI number?
- Israel Chambi's National Provider Identifier (NPI) is 1205870565, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Israel Chambi's specialty?
- Israel Chambi is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Israel Chambi located?
- Israel Chambi's practice location on file with NPPES is 801 N Tustin Ave, Santa Ana, CA 92705-3612.
- What is Israel Chambi's phone number?
- The practice phone number listed in the NPPES registry for Israel Chambi is (714) 973-0810.
- Does Israel Chambi accept Medicare?
- Israel Chambi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Israel Chambi's NPI active?
- Yes — Israel Chambi's NPI (1205870565) is active in the NPPES registry as of the last update on 2010-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.