Chinnavuth De Monteiro, M.D.
NPI 1558392449 · Internal Medicine Physician · Concord, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chinnavuth De Monteiro, M.D. is a Internal Medicine Physician provider in Concord, CA (NPI 1558392449).
Provider details
- NPI number
- 1558392449
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G73896 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
5,885 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,514 | $158 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 684 | $162 |
| Annual, Face-To-Face Intensive Behavioral Therapy for Cardiovascular Disease, Individual, 15 MinutesG0446 | 518 | $31 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 512 | $112 |
| Face-To-Face Behavioral Counseling for Obesity, 15 MinutesG0447 | 425 | $31 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 96 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 397 | 159 |
| Empagliflozinbrand: Jardiance | 173 | 58 |
| Losartan Potassium | 170 | 64 |
| Levothyroxine Sodium | 160 | 66 |
| Apixabanbrand: Eliquis | 159 | 24 |
| Gabapentin | 142 | 45 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,221 across 119 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-06
- Last updated
- 2023-03-07
Frequently asked questions
- What is Chinnavuth De Monteiro's NPI number?
- Chinnavuth De Monteiro's National Provider Identifier (NPI) is 1558392449, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chinnavuth De Monteiro's specialty?
- Chinnavuth De Monteiro is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chinnavuth De Monteiro located?
- Chinnavuth De Monteiro's practice location on file with NPPES is 2415 High School Ave, Concord, CA 94520-1800.
- What is Chinnavuth De Monteiro's phone number?
- The practice phone number listed in the NPPES registry for Chinnavuth De Monteiro is (925) 687-5210.
- Does Chinnavuth De Monteiro accept Medicare?
- Chinnavuth De Monteiro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chinnavuth De Monteiro's NPI active?
- Yes — Chinnavuth De Monteiro's NPI (1558392449) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.